HomeMy WebLinkAbout15A-NCAC-02U---180901SUBCHAPTER 02U – RECLAIMED WATER
SECTION .0100 – GENERAL REQUIREMENTS
15A NCAC 02U .0101 PURPOSE
(a) The rules in this Subchapter shall apply to reclaimed water systems. This includes the generation and utilization
of reclaimed water used in a beneficial manner and for the purpose of conservation of the State's water resources by
reducing the use of potable water, surface water, and groundwater.
(b) The rules in this Subchapter set forth the requirements and procedures for application and issuance of permits
for the following reclaimed water systems:
(1) treatment works;
(2) utilization systems;
(3) distribution systems;
(4) bulk distribution programs; and
(5) local program approval.
(c) The disposal of treated wastewater effluent that does not serve in place of the use of a water resource is
governed by 15A NCAC 02T.
(d) Reclaimed water utilization systems permitted pursuant to this Subchapter shall not exempt any discharge to
waters of the State from meeting the permitting requirements established by the National Pollutant Discharge
Elimination System (NPDES) permitting program pursuant to G.S. 1 43-215.1 and 15A NCAC 02H .0100.
(e) Any use of reclaimed water for Aquifer Storage and Recovery shall be in accordance with G.S. 143 -214.2.
(f) The reuse or return of wastewater from a permitted animal waste facility for waste flushing is governed by 15A
NCAC 02T .1300.
(g) The recycling of wastewater from groundwater remediation systems through an Injection Well o r Infiltration
Gallery is governed by 15A NCAC 02T .1600.
History Note: Authority G.S. 143-215.1; 143-215.3(a)(1); 143-355.5;
Eff. June 18, 2011;
Readopted Eff. September 1, 2018.
15A NCAC 02U .0102 SCOPE
The rules in this Subchapter shall apply to all persons proposing to construct, alter, extend, or operate any reclaimed
water treatment works, distribution system, or utilization system. The rules in this Section are general requirements
that apply to all program rules in this Subchapter.
History Note: Authority G.S. 143-215.1; 143-215.3(a)(1);
Eff. June 18, 2011;
Readopted Eff. September 1, 2018.
15A NCAC 02U .0103 DEFINITIONS
The terms used in this Subchapter shall have the meanings set forth in G.S. 143-212 and 143-213, 15A NCAC 02T
.0103, in this Rule, and in program-specific rules in this Subchapter:
(1) "Beneficial manner" means the use of water as a necessary part of an activity or process to which
the water is being added.
(2) "Beneficial reuse" means the utilization of reclaimed water in a beneficial manner and for the
purpose of conservation of the State's water resources by reducing the use of other potable water,
surface water, and groundwater resources.
(3) "Closed-loop recycle facility" means a system in which non-domestic wastewater is continually
recycled back through the process in which the waste was generated.
(4) "Conjunctive system" means a system where the reclaimed water option is in addition to other
wastewater utilization or disposal methods that are available to the facility at all times, and
reclaimed water utilization is not necessary to meet the wastewater disposal needs of the facility.
(5) "Dedicated system" means a system where the reclaimed water utilization is necessary to meet the
wastewater disposal needs of the facility and where other wastewater utilization or disposal
methods to accommodate the entire wastewater flow generated at the facility are not available.
(6) "Direct contact irrigation" means application methods that result in the direct contact of reclaimed
water on the portion of the crop intended for human consumption.
(7) "Five-day side-stream detention unit" means a basin capable of holding five days worth of
treatment plant effluent based on the permitted flow capacity in the event that the reclaimed water
does not meet the required quality standards for the approved use.
(8) "Indirect contact irrigation" means application methods that preclude direct contact of reclaimed
water on the portion of the crop intended for human consumption.
(9) "Net environmental benefit" when associated with wetlands augmentation sites means documented
evidence supporting continued maintenance of natural conditions, and the protection of
endangered species as required in 15A NCAC 02T .0105(c)(10). Wetland augmentation systems
shall provide documentation of the protection of existing wetland uses in accordance with 15A
NCAC 02B .0201(f) and .0231, and shall not result in net degradation of the wetland.
(10) "Reclaimed water" means treated wastewater effluent meeting effluent standards established
pursuant to Rule .0301 of this Subchapter, and used for beneficial reuse.
History Note: Authority G.S. 143-213; 143-215.3(a)(1);
Eff. June 18, 2011;
Readopted Eff. September 1, 2018.
15A NCAC 02U .0104 ACTIVITIES WHICH REQUIRE A PERMIT
History Note: Authority G.S. 143-215.1; 143-215.3(a)(1);
Eff. June 18, 2011;
Repealed Eff. September 1, 2018.
15A NCAC 02U .0105 GENERAL REQUIREMENTS
General requirements shall be in accordance with 15A NCAC 02T .0105.
History Note: Authority G.S. 143-215.1; 143-215.3(a);
Eff. June 18, 2011;
Readopted Eff. September 1, 2018.
15A NCAC 02U .0106 SUBMISSION OF PERMIT APPLICATIONS
Submission of permit applications shall be in accordance with 15A NCAC 02T .0106.
History Note: Authority G.S. 143-215.1; 143-215.3(a)(1);
Eff. June 18, 2011;
Readopted Eff. September 1, 2018.
15A NCAC 02U .0107 STAFF REVIEW AND PERMIT PREPARATION
Staff review and permit preparation shall be in accordance with 15A NCAC 02T .0107.
History Note: Authority G.S. 143-215.1(b); 143-215.1(d); 143-215.3(a)(1); 143-215.3(a)(4);
Eff. June 18, 2011;
Readopted Eff. September 1, 2018.
15A NCAC 02U .0108 FINAL ACTION ON PERMIT APPLICATIONS TO THE DIVISION
Final action on permit applications to the Division shall be in accordance with 15A NCAC 02T .0108.
History Note: Authority G.S. 143-215.1(a); 143-215.1(b); 143-215.1(d); 143-215.3(a)(1);
Eff. June 18, 2011;
Readopted Eff. September 1, 2018.
15A NCAC 02U .0109 PERMIT RENEWALS
Permit renewals shall be in accordance with 15A NCAC 02T .0109.
History Note: Authority G.S. 143-215.3(a)(1);
Eff. June 18, 2011;
Readopted Eff. September 1, 2018.
15A NCAC 02U .0110 MODIFICATION AND REVOCATION OF PERMITS
Modification and revocation of permits shall be in accordance with 15A NCAC 02T .0110.
History Note: Authority G.S. 143-215.1(b)(4)(c); 143-215.3(a)(1);
Eff. June 18, 2011;
Readopted Eff. September 1, 2018.
15A NCAC 02U .0111 CONDITIONS FOR ISSUING GENERAL PERMITS
Conditions for issuing general permits shall be in accordance with 15A NCAC 02T .0111.
History Note: Authority G.S. 143-215.1; 143-215.3(a)(1);
Eff. June 18, 2011;
Readopted Eff. September 1, 2018.
15A NCAC 02U .0112 DELEGATION OF AUTHORITY
Delegation of authority shall be in accordance with 15A NCAC 02T .0112.
History Note: Authority G.S. 143-215.3(a)(1); 143-215.3(a)(4);
Eff. June 18, 2011;
Readopted Eff. September 1, 2018.
15A NCAC 02U .0113 PERMITTING BY REGULATION (SEE S.L. 2011-48)
(a) The following utilizations of reclaimed water shall be permitted pursuant to G.S. 143 -215.1(b) and it shall not be
necessary for the Division to issue individual permits or coverage under a general permit for construction or
operation of the following utilization systems provided the system does not result in any violations of surface water
or groundwater standards, there is no unpermitted direct discharge to surface waters, and all criteria required for the
specific system is met:
(1) Discharges to the land surface from flushing and hydrostatic testing water associated with utility
distribution systems, new sewer extensions, or new reclaimed water distribution lines;
(2) Overflow from elevated reclaimed water storage facilities where no viable alternative exists and
all possible measures are taken to reduce the risk of overflow;
(3) Any de minimus runoff from reclaimed water used during fire fighting or extinguishing, dust
control, soil compaction for construction purposes, street sweeping, overspray on yard inlets,
overspray on golf cart paths, or vehicle washing;
(4) Incidental discharge to a municipal separate storm sewer system (MS4) that occurs as a result of
reclaimed water utilization activities, and the discharge shall not violate water quality standards.
This shall not exempt the reclaimed water user from complying with any applicable local
ordinances that may prohibit such discharges;
(5) Rehabilitation, repair, or replacement of reclaimed water lines in kind (i.e., size) with the same
horizontal and vertical alignment;
(6) In accordance with 15A NCAC 02H .0106(f)(5), flushing (including air release valve disch arge)
and hydrostatic testing water discharges associated with reclaimed water distribution systems
provided that no water quality standards are violated;
(7) Utilization of reclaimed water received from a reclaimed water bulk distribution program
permitted under Rule .0601 of this Subchapter;
(8) Irrigation of residential lots or commercial (non-residential) application areas less than one acre in
size that are supplied with reclaimed water as part of a conjunctive system meeting the
requirements of Rules .0301, .0401, .0403, .0501, and .0701 of this Subchapter; Chapter 89G of
the General Statutes; approved by the local building inspection department; and installed by a
North Carolina Licensed Irrigation Contractor pursuant to G.S. 89G. A scaled site map s howing
the location of the reclaimed water irrigation system and all features necessary to show
compliance with applicable setbacks in Rule .0701 of this Subchapter shall be submitted to the
reclaimed water provider;
(9) Irrigation of agricultural crops supplied with reclaimed water as part of a conjunctive use
reclaimed water system meeting the requirements of this Subchapter and approved by the
reclaimed water provider;
(10) Drip irrigation sites supplied with reclaimed water as part of a conjunctive use reclaimed water
system generated from an onsite wastewater treatment facility meeting the criteria of this
Subchapter and where the conjunctive system has been approved by the Department and is
permitted under 15A NCAC 18A .1900; and
(11) Reuse of produced waters and flowback waters from oil and gas wells regulated by Article 27 of
G.S. 113 for reuse in accordance with water and waste management plans approved pursuant to
rules of the Mining and Energy Commission as set forth in 15A NCAC 05H.
(b) Nothing in this Rule shall be deemed to allow the violation of any assigned surface water, groundwater, or air
quality standards, and in addition any such violation is a violation of a condition of a permit.
(c) The reclaimed water user shall report any violation of this Rule or discharge to surface waters from the
utilization systems listed in Paragraph (a) of this Rule.
(d) Utilization systems deemed permitted under this Subchapter shall remain deemed permitted, notwithstanding
any violations of surface water or groundwater standards or violations of this Rule or other Permitted By Regulation
rules in this Subchapter, until such time as the Director determines that they shall not be deemed permitted in
accordance with the criteria established in this Rule.
(e) The Director may determine that a utilization system should not be deemed to be permitted in accordance with
this Rule and require the utilization system to obtain an individual permit or a certificate of coverage under a general
permit. This determination shall be made based on existing or projected environmental impacts, compliance with
the provisions of this Rule, and the compliance history of the facility owner.
History Note: Authority G.S. 130A-300; 143-215.1(a)(1); 143-215.1(b)(4)(e); 143-215.3(a),(d);
Eff. June 18, 2011 (See S.L. 2011-48);
Amended Eff. March 19, 2015.
15A NCAC 02U .0114 WASTEWATER DESIGN FLOW RATES
Wastewater design flow rates shall be determined in accordance with 15A NCAC 02T .0114.
History Note: Authority G.S. 143-215.1; 143-215.3(a)(1);
Eff. June 18, 2011;
Readopted Eff. September 1, 2018.
15A NCAC 02U .0115 OPERATIONAL AGREEMENTS
Operational agreements shall be executed in accordance with 15A NCAC 02T .0115.
History Note: Authority G.S. 143-215.1(d1);
Eff. June 18, 2011;
Readopted Eff. September 1, 2018.
15A NCAC 02U .0116 CERTIFICATION OF COMPLETION
Certification of completion shall be completed in accordance with 15A NCAC 02T .0116.
History Note: Authority G.S. 143-215.1;
Eff. June 18, 2011;
Reaopted Eff. September 1, 2018.
15A NCAC 02U .0117 TREATMENT FACILITY OPERATION AND MAINTENANCE
Treatment facility operation and maintenance shall be in accordance with 15A NCAC 02T .0117.
History Note: Authority G.S. 143-215.3;
Eff. June 18, 2011;
Readopted Eff. September 1, 2018.
15A NCAC 02U .0118 DEMONSTRATION OF FUTURE WASTEWATER TREATMENT CAPACITIES
Demonstration of future wastewater treatment capacities shall be in accordance with 15A NCAC 02T .0118.
History Note: Authority G.S. 143-215.3;
Eff. September 1, 2018.
15A NCAC 02U .0120 HISTORICAL CONSIDERATION IN PERMIT APPROVAL
Historical consideration in permit approval shall be in accordance with 15A NCAC 02T .0120.
History Note: Authority G.S. 143-215.1(b); 143-215.3(a);
Eff. June 18, 2011;
Readopted Eff. September 1, 2018.
SECTION .0200 - APPLICATION REQUIREMENTS
15A NCAC 02U .0201 APPLICATION SUBMITTAL
(a) The requirements in this Rule shall apply to all new and expanding reclaimed water and closed-loop recycle
facilities.
(b) A soil evaluation of the utilization site where the reclaimed water is applied to the land surface or otherwise
used in a ground absorption manner shall be provided to the Division by the applicant. Evaluations shall include
recommended loading rates of liquids, solids, and other constituents. For systems that utilize reclaimed water
through irrigation, the evaluation shall also include recommended maximum irrigation precipitation rates. If required
by G.S. 89F, a soil scientist shall prepare this evaluation.
[Note: The North Carolina Board for Licensing of Soil Scientists has determined, via letter dated December 1, 2005,
that preparation of soils reports pursuant to this Paragraph constitutes practicing soil science pur suant to G.S. 89F.]
(c) Engineering design documents. If required by G.S. 89C, a professional engineer shall prepare engineering
design documents. The following documents shall be provided to the Division by the applicant:
(1) engineering plans for the entire system, including treatment, storage, application, and utilization
facilities and equipment except those previously permitted unless those previously permitted are
directly tied into the new units or are necessary to understanding the complete process;
(2) specifications describing materials to be used, methods of construction, and means for ensuring
quality and integrity of the finished product, including leakage testing;
(3) engineering calculations, including hydraulic and pollutant loading for eac h treatment unit,
treatment unit sizing criteria, hydraulic profile of the treatment system, total dynamic head, and
system curve analysis for each pump, buoyancy calculations, and irrigation design; and
(4) closed-loop facilities utilizing storage ponds s hall provide a water balance calculation
documenting all inputs and losses.
[Note: The North Carolina Board of Examiners for Engineers and Surveyors has determined, via letter dated
December 1, 2005, that preparation of engineering design documents pursuan t to this Paragraph constitutes
practicing engineering under G.S. 89C. In addition, the North Carolina Board of Examiners for Engineers and
Surveyors has determined that design of residential reclaimed irrigations systems owned by the property owner does
not constitute engineering pursuant to G.S. 89C.]
(d) Site plans. If required by G.S. 89C, a professional land surveyor shall provide location information on
boundaries and physical features not under the purview of other licensed professions. The applicant shall provide
site plans or maps for treatment and storage facilities and where the reclaimed water is applied to the land surface or
otherwise used in a ground absorption manner, except where reclaimed water is utilized for irrigation to single -
family residential lots, showing the location, orientation and relationship of facility components including:
(1) a scaled map of the site, with topographic contour intervals not exceeding 10 feet or 25 percent of
total site relief and showing all facility-related structures and fences within 500 feet of the
treatment, storage, and utilization areas, and soil mapping units shown on all utilization sites;
(2) for land application sites and other ground absorption uses, the site map shall include topography;
(3) to the extent needed to determine compliance with setbacks, the location of all features included in
Rule .0701 of this Subchapter;
(4) setbacks as required by Rule .0701 of this Subchapter and delineation of the review and
compliance boundaries; and
(5) site property boundaries within 500 feet of all waste treatment, storage, and utilization sites.
[Note: The North Carolina Board of Examiners for Engineers and Surveyors has determined, via letter dated
December 1, 2005, that locating boundaries and physical features, not under the purview of other licensed
professions, on maps pursuant to this Paragraph constitutes practicing surveying pursuant to G.S. 89C.]
(e) The applicant shall provide property ownership documentation to the Division consisting of:
(1) legal documentation of ownership, such as a contract, deed, or article of incorporation;
(2) an agreement of an intent to purchase the property that is written, notarized, and signed by both
parties, accompanied by a plat or survey map;
(3) an easement running with the land indicating the intended use of the property and meeting the
condition of 15A NCAC 02L .0107(f); or
(4) an agreement to lease the property that is written, notarized, and signed by both parties, indicating
the intended use of the property, accompanied by a plat or survey map. When this Subparagraph is
utilized to document property ownership, groundwater standards must be met across the entire site
and a compliance boundary need not be provided. Lease agreements shall adhere to the
requirements of 15A NCAC 02L .0107.
(f) Public utilities shall submit a Certificate of Public Convenience and Necessity or a letter from the NC Utilities
Commission to the Division stating that it has received a franchise application.
(g) For reclaimed or recycle d water generated from industrial wastewater, the applicant shall provide a chemical
analysis of the typical reclaimed water to be utilized, and a listing of any toxic pollutant that the applicant currently
uses or manufactures as an intermediate or final product or byproduct. The Director may waive or modify this
requirement for any applicant if the applicant demonstrates that it would be unduly burdensome to identify each
toxic pollutant. The Director may determine that subsequent toxicity testing is required based on the provided
chemical analysis. New facilities may provide chemical analysis of the source water along with predictive
calculations for chemical characteristics prior to utilization. The analysis shall include:
(1) total organic carbon;
(2) 5-day biochemical oxygen demand (BOD5);
(3) chemical oxygen demand (COD);
(4) nitrate nitrogen (NO3-N);
(5) ammonia nitrogen (NH3-N);
(6) total kjeldahl nitrogen (TKN);
(7) pH;
(8) chloride;
(9) total phosphorus;
(10) phenol;
(11) total volatile organic compounds;
(12) escherichia coli (E.coli) or fecal coliform;
(13) coliphage (Type 2 reclaimed water only);
(14) clostridium perfringens (Type 2 reclaimed water only);
(15) calcium;
(16) sodium;
(17) magnesium;
(18) sodium adsorption ratio (SAR);
(19) total trihalomethanes; and
(20) total dissolved solids.
(h) For irrigation sites, the applicant shall provide to the Division a project evaluation and a receiver site agronomic
management plan and recommendations concerning cover crops and their ability to accept the proposed application
rates of liquid, solids, minerals, and other constituents of the wastewater.
History Note: Authority G.S. 143-215.1; 143-215.3(a);
Eff. June 18, 2011;
Readopted Eff. September 1, 2018.
15A NCAC 02U .0202 APPLICATION SUBMITTAL FOR DEDICATED RECLAIMED WATER
SYSTEMS
(a) In addition to the application submittal requirements established Rule .0201 of this Section, the requirements in
this Rule shall apply to all new and expanding dedicated reclaimed water facilities.
(b) Soils report. A soil evaluation of the utilization site shall be provided to the Division by the applicant. If
required by G.S. 89F, a soil scientist shall prepare this evaluation. This evaluation shall be presented in a report that
includes the following:
(1) A field description of the soil profile, based on examinations of excavation pits and auger borings,
within seven feet of land surface or to bedr ock, describing the following parameters by individual
diagnostic horizons:
(A) the thickness of the horizon;
(B) the texture;
(C) the color and other diagnostic features;
(D) the structure;
(E) the internal drainage;
(F) the depth, thickness, and type of restrictive horizons; and
(G) the presence or absence and depth of evidence of any seasonal high water table;
Applicants shall dig pits when necessary for proper evaluation of the soils at the site;
(2) Recommendations concerning loading rates of liquids, solids, other wastewater constituents, and
amendments. Annual hydraulic loading rates shall be based on in-situ measurement of saturated
hydraulic conductivity in the most restrictive horizon for each soil mapping unit. Maximum
irrigation precipitation rates shall be provided for each soil mapping unit;
(3) A field-delineated soil map delineating soil mapping units within each land application site and
showing all physical features, location of pits and auger borings, legends, scale, and a north arrow.
The legends shall also include dominant soil series name and family or higher taxonomic class for
each soil mapping unit; and
(4) A Standard Soil Fertility Analysis conducted on each land application site. The Standard Soil
Fertility Analysis shall include the following parameters:
(A) acidity;
(B) base saturation (by calculation);
(C) calcium;
(D) cation exchange capacity;
(E) copper;
(F) exchangeable sodium percentage (by calculation);
(G) magnesium;
(H) manganese;
(I) percent humic matter;
(J) pH;
(K) phosphorus;
(L) potassium;
(M) sodium; and
(N) zinc.
[Note: The North Carolina Board for Licensing of Soil Scientists has determined, via letter dated December 1, 2005,
that preparation of soils reports pursuant to this Paragraph constitutes practici ng soil science pursuant to G.S. 89F.]
(c) Hydrogeologic report. A hydrogeologic description of the subsurface, prepared by a Licensed Geologist,
Licensed Soil Scientist, or Professional Engineer if required by Chapters 89E, 89F, or 89C, respectively, sha ll be
provided to the Division by the applicant for reclaimed water land application sites with a design flow over 25,000
gallons per day. Industrial facilities generating less than 25,000 gallons per day of reclaimed water that demonstrate
that the effluent will be of quality similar to domestic wastewater, including effluent requirements established in
15A NCAC 02U .0301(b), shall, upon request, be exempted from this requirement. This evaluation shall be
presented in a report that includes a mounding anal ysis to predict the level of the seasonal high water table after
reclaimed water application, if the seasonal high water table is within six feet of the surface. The report shall also
consider the following components:
(1) the regional and local geology and hydrogeology based on research of literature for the area;
(2) field observations of the site, topographic setting, streams, springs and other groundwater
discharge features, drainage features, existing and abandoned wells, rock outcrops, and other
features that may affect the movement of the reclaimed water;
(3) changes in the lithology underlying the site;
(4) the depth to bedrock and the occurrence of any rock outcrops;
(5) the hydraulic conductivity and transmissivity of the affected aquifer;
(6) the depth to the seasonal high water table;
(7) a discussion of the relationship between the affected aquifers of the site to local and regional
geologic and hydrogeologic features; and
(8) a discussion of the groundwater flow regime of the site prior to the operation of the proposed
facility and the post operation of the proposed facility focusing on the relationship of the system to
groundwater receptors, groundwater discharge features, and groundwater flow media.
[Note: The North Carolina Board for Licensing of Geologists, via letter dated April 6, 2006, North Carolina Board
for Licensing of Soil Scientists, via letter dated December 1, 2005, and North Carolina Board of Examiners for
Engineers and Surveyors, via letter dated December 1, 2005, have determined that preparation of hydrogeologic
description documents pursuant to this Paragraph constitutes practicing geology pursuant to G.S. 89E, soil science
pursuant to G.S. 89F, or engineering pursuant to G.S. 89C.]
(d) The applicant shall provide to the Division a Residuals Management Plan as required by Rule .0802(a) of this
Subchapter.
(e) The applicant shall provide to the Division a water balance that determines the required effluent storage based
on the most limiting factor from the following:
(1) hydraulic loading based on the most restrictive horizon;
(2) hydraulic loading based on the groundwater mounding analysis;
(3) nutrient management based on agronomic rates for the specified cover crop; or
(4) nutrient management based on crop management.
History Note: Authority G.S. 143-215.1; 143-215.3(a);
Eff. June 18, 2011;
Readopted Eff. September 1, 2018.
SECTION .0300 - EFFLUENT STANDARDS
15A NCAC 02U .0301 RECLAIMED WATER EFFLUENT STANDARDS
(a) Reclaimed water treatment processes producing an effluent quality prior to storage, distribution, or utilization
that meets the parameter limits listed below shall be classified as Type 2:
(1) monthly average five-day biochemical oxygen demand (BOD5) of less than or equal to 5 mg/L and
a daily maximum BOD5 of less than or equal to 10 mg/L;
(2) monthly average total suspended solids (TSS) of less than or equal to 5 mg/L and a daily
maximum TSS of less than or equal to 10 mg/L;
(3) monthly average ammonia (NH3-N) of less than or equal to 1 mg/L and a daily maximum NH3-N
of less than or equal to 2 mg/L;
(4) monthly geometric mean Escherichia coli (E. coli) or fecal coliform level of less than or equal to
3/100 mL and a daily maximum E. coli or fecal coliform level of less than or equal to 25/100 mL;
(5) monthly geometric mean Coliphage level of less than or equal to 5/100 mL and a daily maximum
Coliphage level of less than or equal to 25/100 mL;
(6) monthly geometric mean Clostridium perfringens level of l ess than or equal to 5/100 mL and a
daily maximum Clostridium perfringens level of less than or equal to 25/100 mL; and
(7) maximum turbidity of 5 Nephelometric Turbidity Units (NTUs).
(b) Reclaimed water treatment processes producing an effluent quality prior to storage, distribution, or utilization
that meets the parameter limits listed below shall be classified as Type 1:
(1) monthly average five-day biochemical oxygen demand (BOD5) of less than or equal to 10 mg/L
and a daily maximum BOD5 of less than or equal to 15 mg/L;
(2) monthly average total suspended solids (TSS) of less than or equal to 5 mg/L and a daily
maximum TSS of less than or equal to 10 mg/L;
(3) monthly average ammonia (NH3-N) of less than or equal to 4 mg/L and a daily maximum NH3-N
of less than or equal to 6 mg/L;
(4) monthly geometric mean Escherichia coli (E. coli) or fecal coliform level of less than or equal to
14/100 mL and a daily maximum E. coli or fecal coliform level of less than or equal to 25/100
mL; and
(5) maximum turbidity of 10 NTUs.
(c) Reclaimed water produced by industrial facilities shall not be required to meet the criteria in this Rule if the
reclaimed water is used at the facility in an industrial process and the area of use has no public access and does not
result in employee exposure.
History Note: Authority G.S. 143-215.1; 143-215.3(a);
Eff. June 18, 2011;
Readopted Eff. September 1, 2018.
SECTION .0400 - DESIGN STANDARDS
15A NCAC 02U .0401 DESIGN CRITERIA FOR RECLAIMED WATER TREATMENT FACILITIES
(a) The requirements in this Rule shall apply to all new and expanding reclaimed water treatment facilities.
(b) Continuous on-line monitoring and recording for turbidity or particle count and flow shall be provided prior to
storage, distribution, or utilization of reclaimed water.
(c) Effluent from the treatment facility shall not be discharged to the storage, distribution, or utilization system if
the turbidity exceeds 10 NTUs or if the permitted pathogen levels cannot be met. The facility shall have the ability
to use alternate wastewater management options when the effl uent quality is not sufficient.
(d) An automatically activated standby power source or other means to prevent improperly treated wastewater from
entering the storage, distribution, or utilization system shall be provided.
(e) The permit shall require an operator certified by the Water Pollution Control System Operators Certification
Commission (WPCSOCC) of a grade equivalent or greater than the facility classification to be on call 24 hours per
day.
(f) No storage facilities are required if it can be demonstrated that other permitted means of disposal are available if
100 percent of the reclaimed water cannot be used. When provided, storage units shall meet the design requirements
in Rule .0402(f) of this Section.
(g) Reclaimed water irrigation system design shall not exceed the recommended precipitation rates established in
the soils report prepared pursuant to Section .0200 of this Subchapter. Single -family residential irrigation systems
and commercial irrigation systems permitted pursuant to Rule .0113 (8) of this Subchapter do not require preparation
of a soils report.
(h) All open-atmosphere treatment lagoons and ponds and open-atmosphere storage units shall have at least two feet
of freeboard.
(i) Type 2 reclaimed water treatment facilities shall pr ovide dual disinfection systems containing UV disinfection
and chlorination or equivalent dual disinfection processes to meet pathogen control requirements.
(j) Type 2 reclaimed water treatment facilities shall provide documentation that the combined trea tment and
disinfection processes are capable of the following:
(1) log 6 or greater reduction of E. coli;
(2) log 5 or greater reduction of Coliphage; and
(3) log 4 or greater reduction of Clostridium perfringens.
(k) Automatically activated irrigation systems shall be connected to a rain or moisture sensor to prevent irrigation
during precipitation events or wet conditions that would cause runoff.
History Note: Authority G.S. 143-215.1; 143-215.3(a);
Eff. June 18, 2011;
Readopted Eff. September 1, 2018.
15A NCAC 02U .0402 DESIGN CRITERIA FOR DEDICATED RECLAIMED WATER TREATMENT
FACILITIES
(a) In addition to the design criteria established in Rule .0401 of this Section, the requirements in this Rule shall
apply to all new and expanding dedicated reclaimed water treatment facilities.
(b) Each facility, except for those using septic tanks or lagoon treatment, shall provide flow equalization with either
a capacity based upon a representat ive diurnal hydrograph or a capacity of 25 percent of the daily system design
flow.
(c) Dual facilities shall be provided for all essential treatment units.
(d) Effluent from the treatment facility shall be discharged to a five -day side-stream detention unit if either the
turbidity exceeds 10 NTUs or if the permitted pathogen levels cannot be met. The facility shall have the ability to
return the effluent in the five-day side-stream detention unit back to the head of the treatment facility.
(e) The public shall be prohibited access to the wastewater treatment facility or the five -day side-stream detention
unit.
(f) The storage and five-day side-stream detention units shall have either a liner of natural material at least one foot
in thickness and having a hydraulic conductivity of no greater than 1 x 10-6 centimeters per second when compacted,
or a synthetic liner of sufficient thickness to exhibit structural integrity and an effective hydraulic conductivity no
greater than that required of the natural material liner. Liner requirements of the unit or separation distances between
the bottom of the storage basin and the groundwater table may be reduced if it can be demonstrated by predictive
calculations or modeling that construction and use of the unit will not result in contravention of assigned
groundwater standards at the compliance boundary.
(g) By-pass and overflow lines shall be prohibited.
(h) Multiple pumps shall be provided wherever pumps are used.
(i) A water-tight seal on all treatment and storage units or two feet of protection from the 100-year flood elevation
shall be provided.
(j) 30 days of residual storage shall be provided.
(k) Utilization areas shall be designed to maintain a one -foot vertical separation between the seasonal high water
table and the ground surface.
(l) Influent pump stations shall meet the sewer design criteria set forth in 15A NCAC 02T .0300.
(m) Domestic, commercial, or industrial dedicated reclaimed water systems, including single -family residence
facilities, with flow less than 1,000 gallons per day, are exempt from meeting Paragraphs (c) and (h) of this Rule, if
repair or replacement of essential treatment units can be completed within five days.
(n) Facilities shall be provided with a flow meter to measure the volume of treated reclaimed water applied to each
field.
History Note: Authority G.S. 143-215.1; 143-215.3(a);
Eff. June 18, 2011;
Readopted Eff. September 1, 2018.
15A NCAC 02U .0403 DESIGN CRITERIA FOR DISTRIBUTION LINES (SEE S.L. 2011-218)
(a) The requirements in this Rule apply to all new distribution lines.
(b) All reclaimed water valves, storage facilities and outlets shall be tagged or labeled to warn the public or
employees that the water is not intended for drinking.
(c) All reclaimed water piping, valves, outlets and other appurtenances shall be color -coded, taped, or otherwise
marked to identify the source of the water as being reclaimed water as follows:
(1) All reclaimed water piping and appurtenances shall be either colored purple (Pantone 522 or
equivalent) and embossed or integrally stamped or marked "CAUTION: RECLAIMED WATER -
DO NOT DRINK" or be installed with a purple (Pantone 522 or equivalent) identification tape or
polyethylene vinyl wrap. The warning shall be stamped on opposite sides of the pipe and repeated
every three feet or less;
(2) Identification tape shall be at least three inches wide and have white or black lettering on purple
(Pantone 522 or equivalent) field stating "CAUTION: RECLAIMED WATER - DO NOT
DRINK". Identification tape shall be installed on top of reclaimed water pipelines, fastened at
least every 10 feet to each pipe length and run continuously the entire length of the pipe; and
(3) Existing underground distribution systems retrofitted for the purpose of utilizing reclaimed water
shall be taped or otherwise identified as in Subparagraphs (1) or (2) of this Paragraph. This
identification need not extend the entire length of the distribution system but shall be incorporated
within 10 feet of crossing any potable water supply line or sanitary sewer line.
(d) All reclaimed water valves and outlets shall be of a type, or secured in a manner, that permits operation by
personnel authorized by the entity that operates the reclaimed water system.
(e) Hose bibs shall be located in locked, below grade vaults that shall be labeled as being of nonpotable quality. As
an alternative to the use of locked vaults with standard hose bib services, other locking mechanisms such as hose
bibs which can only be operated by a tool may be placed above ground and labeled as nonpotable water.
(f) Cross-Connection Control
(1) There shall be no direct cross-connections between the reclaimed water and potable water
systems;
(2) Where both reclaimed water and potable water are supplied to a reclaimed water use area in
residential or commercial (irrigation) applications, a dual check valve device (or a device
providing equal or better protection) shall be installed at the potable water service connection to
the use area;
(3) Where both reclaimed water and potable water are supplied to a reclaimed water use area in
industrial or commercial (non-irrigation) applications, a reduced pressure principle backflow
prevention device or an approved air gap separation pursuant to 15A NCAC 18C shall be installed
at the potable water service connection to the use area; and
(4) Where potable water is used to supplement a reclaimed water system, there shall be an air gap
separation, approved and regularly inspected by the potable water supplier, between the potable
water and reclaimed water systems.
(g) Irrigation system piping shall be considered part of the distribution system for the purposes of this Rule.
(h) Reclaimed water distribution lines shall be located 10 feet horizontally from and 18 inches below any water line
where practicable. Where these separation distances can not be met, the piping and integrity testing procedures shall
meet water main standards in accordance with 15A NCAC 18C.
(i) Reclaimed water distribution lines shall not be less than 50 feet from a well unless the piping and integrity
testing procedures meet water main standards in accordance with 15A NCAC 18C, but in no case shall they be less
than 25 feet from a private well.
(j) Reclaimed water distribution lines shall meet the separation distances to sewer lines in accordance with 15A
NCAC 02T .0305.
History Note: Authority G.S. 143-215.1; 143-215.3(a.);
Eff. June 18, 2011 (S.L. 2011-218).
15A NCAC 02U .0404 DESIGN CRITERIA FOR CLOSED-LOOP RECYCLE SYSTEMS
(a) The requirements in this Rule shall apply to all new and expanding closed -loop recycle facilities.
(b) Design criteria related to closed-loop recycle systems in general.
(1) The public shall be prohibited access to the wastewater treatment equipment, wastewater storage
structures, or to the wastewater within a closed -loop recycle facility.
(2) If potable water is used to supplement a closed-loop recycle water system, there shall be no direct
cross-connections between the closed-loop system and potable water systems, unless such
connection has been approved by the Department pursuant to 15A NCAC 18C .040 6.
(c) Design criteria related to treatment and storage units used in closed-loop recycle systems.
(1) The facility shall have the ability to stop production of effluent, return the effluent back to the
treatment facility, store the effluent, or discharge the effluent to another permitted wastewater
treatment facility when recycling cannot be conducted.
(2) Essential treatment units shall be provided in duplicate if proper operation of the treatment unit is
essential to the operation of the closed-loop recycle system and the operation cannot safely or
efficiently be immediately stopped or altered to operate without the closed -loop recycle system.
(3) An automatically activated standby power source, system shutdown, or other means shall be
employed to prevent improperly treated wastewater from entering a treated waste water storage
structure or from being recycled if loss of power would create an unsafe condition.
(4) If they are suitable for reuse, residues recovered during the treatment process may be recyc led
through the processes that generated the wastewater rather than disposed of as a waste.
(5) A water tight seal on all treatment and storage units or two feet of protection from the 100 -year
flood elevation shall be provided.
(6) Storage units in a closed-loop recycle system shall be designed to contain the accumulation of
water from a 25-year, 24-hour storm event with 1 foot freeboard, unless the system is protected
from rainfall and runoff.
(7) The bottoms of earthen impoundments, trenches, or other si milar excavations shall be at least four
feet above the bedrock surface, except that the bottom of excavations that are less than four feet
above bedrock shall have a liner with a hydraulic conductivity no greater than 1 x 10 -7 centimeters
per second. Liner thickness shall be that thickness necessary to achieve a leakage rate consistent
with the sensitivity of classified groundwaters. Liner requirements may be reduced if the applicant
demonstrates through predictive calculations or modeling that constructio n and use of these
treatment and disposal units will not result in contravention of surface water or groundwater
standards.
(8) Treatment works and disposal systems using earthen basins, lagoons, ponds, or trenches,
excluding holding ponds containing non-industrial treated effluent prior to irrigation, for
treatment, storage, or disposal, shall have either a liner of natural material at least one foot in
thickness and having a hydraulic conductivity of no greater than 1 x 10 -6 centimeters per second
when compacted, or a synthetic liner of sufficient thickness to exhibit structural integrity and an
effective hydraulic conductivity no greater than that of the natural material liner.
History Note: Authority G.S. 143-215.1; 143-215.3(a);
Eff. September 1, 2018.
SECTION .0500 - GENERAL UTILIZATION REQUIREMENTS
15A NCAC 02U .0501 RECLAIMED WATER UTILIZATION
(a) Reclaimed water utilized in a manner that includes application to the land surface shall meet the following
criteria:
(1) The reclaimed water shall meet requirements for Type 1 reclaimed water in Rule .0301(b) of this
Subchapter;
(2) Notification shall be provided by the permittee or its representative to inform the public and
employees of the use of reclaimed water and that the reclaimed water is not intended for drinking.
Notification material shall be provided to employees in a language they understand;
(3) The reclaimed water generator shall develop and maintain a record keeping program for
distribution of reclaimed water;
(4) The reclaimed water generator shall develop and maintain an education and approval program for
all use of reclaimed water. Educational material shall be provided to employees in a language they
understand;
(5) The reclaimed water generator shall develop and maintain a routine review and inspection
program for all uses of reclaimed water on property not owned by the generator;
(6) The compliance boundary and the review boundary for groundwater are established at t he
irrigation area boundaries. No deed restrictions or easements shall be required to be filed on
adjacent properties. Land application of effluent shall be on property controlled by the generator
unless an easement is provided in accordance with 15A NCAC 02L .0107, except in cases where a
compliance boundary is not established; and
(7) Reclaimed water irrigated on designed soil matrix, such as artificial or natural turf athletic fields
with subsurface drainage shall meet the following conditions:
(A) Annual hydraulic loading and maximum precipitation rates shall be designed to irrigate a
volume not to exceed the design water capacity of the designed soil matrix above the
drainage system; and
(B) Outlets of the drainage system shall not be allowed to dischar ge directly to surface waters
(intermittent or perennial) or to storm water conveyance systems that do not allow for
infiltration prior to discharging to surface waters.
(b) Reclaimed water used for industrial and commercial uses shall meet the criteria b elow:
(1) The reclaimed water shall meet requirements for Type 1 reclaimed water;
(2) Notification shall be provided by the permittee or its representative to inform the public and
employees of the use of reclaimed water and that the reclaimed water is not intended for drinking,
and notification material shall be provided to employees in a language they understand;
(3) The reclaimed water generator shall develop and maintain an education and approval program for
all reclaimed water users, and educational material shall be provided to employees in a language
they understand;
(4) The reclaimed water generator shall develop and maintain a record keeping program for
distribution of reclaimed water;
(5) The reclaimed water generator shall develop and maintain a routine review and inspection
program for all reclaimed water users; and
(6) Reclaimed water used for activities other than land application shall not be used in a manner that
causes exposure to aerosols.
(c) Reclaimed water shall not be used for swimming pools, hot-tubs, spas, or similar uses.
History Note: Authority G.S. 143-215.1; 143-215.3(a);
Eff. June 18, 2011 (S.L. 2011-48);
Readopted Eff. September 1, 2018.
SECTION .0600 - BULK DISTRIBUTION OF RECLAIMED WATER
15A NCAC 02U .0601 BULK DISTRIBUTION OF RECLAIMED WATER
(a) Tank trucks and other equipment used to distribute reclaimed water shall be identified with advisory signs
stating that they contain reclaimed water that is not intended for drinking.
(b) Tank trucks used to transport reclaimed water shall not be used to transport potable water.
(c) Tank trucks used to transport reclaimed water shall not be filled through on-board piping or removable hoses
that may subsequently be used to fill potable water tanks.
(d) The reclaimed water generator shall develop and maintain an education and approval program for all reclaimed
water users.
(e) The reclaimed water generator shall develop and maintain a record keeping program for bulk distribution of
reclaimed water.
(f) The reclaimed water generator shall develop and maintain a routine review and inspection program for reclaimed
water users.
History Note: Authority G.S. 143-215.1; 143-215.3(a);
Eff. June 18, 2011;
Readopted Eff. September 1, 2018.
SECTION .0700 - SETBACKS
15A NCAC 02U .0701 SETBACKS
(a) Treatment and storage facilities associated with systems permitted under this Subchapter shall adhere to the
setback requirements in 15A NCAC 02T .0500 except as provided in this Rule.
(b) Final effluent storage facilities shall meet all setback requirements for riparian buffer rules pursuant to 15A
NCAC 02B as well as the following setbacks:
feet
Any private or public water supply source 100
Surface waters (streams – intermittent and perennial, perennial waterbodies,
and wetlands) 50
Any well with exception of monitoring wells 100
Any property line 50
Otherwise storage facilities shall meet the provisions of Paragraph (a) of this Rule.
(c) The setbacks for utilization areas where reclaimed water is discharged to the ground shall be as follows:
feet
Surface waters (streams – intermittent and perennial, perennial waterbodies,
and wetlands) not classified SA 25
Surface waters (streams – intermittent and perennial, perennial waterbodies,
and wetlands) classified SA 100
Any well with exception to monitoring wells 100
(d) No setback between the application area and property lines is required.
History Note: Authority G.S. 143-215.1; 143-215.3(a);
Eff. June 18, 2011.
SECTION .0800 – OPERATIONAL PRACTICES
15A NCAC 02U .0801 OPERATION AND MAINTENANCE
(a) An Operation and Maintenance Plan shall be maintained by the permittee for all reclaimed water generators and
closed-loop recycle systems. The plan shall:
(1) describe the operation of the system in detail to show what operations are necessary for the system
to function and by whom the operations are to be conducted;
(2) include a sampling and monitoring plan to evaluate quality of reclaimed water within the
distribution system to provide quality assurance at the time of reuse, and specify actions to be
taken in response to unsatisfactory monitoring results;
(3) provide a map of all reclaimed water distribution lines and record drawings of all reclaimed water
utilization systems under the permittee's control;
(4) describe anticipated maintenance of the system;
(5) include provisions for safety measures, including restriction of access to the site and equipment as
required in this Subchapter; and
(6) include spill control provisions, including:
(A) response to upsets and bypasses, including control, containment, and remediation; and
(B) contact information for plant personnel, emergency responders, and regulatory agencies.
(b) Irrigation areas shall have a year -round vegetative cover.
(c) Irrigation shall not result in ponding or runoff of treated effluent.
(d) Irrigation and metering equipment shall be tested and calibrated annually, or as establish ed by permit.
(e) Vehicles and heavy machinery shall not be allowed on the irrigation area, except during installation or
maintenance activities.
(f) Water level gauges shall be provided for all open -atmosphere treatment lagoons and ponds, and open -
atmosphere storage units.
(g) Vegetative cover shall be maintained on all earthen embankments.
(h) The permittee shall keep a log of maintenance activities that occur at the facility.
(i) The permittee shall perform inspections and maintenance to ensure proper operation of the facility.
History Note: Authority G.S. 143-215.1; 143-215.3(a);
Eff. June 18, 2011;
Readopted Eff. September 1, 2018.
15A NCAC 02U .0802 RESIDUALS MANAGEMENT
(a) A Residuals Management Plan shall be maintained for all reclaimed water and closed-loop recycle systems that
generate residuals. The plan shall include the following:
(1) an explanation as to how the residuals will be collected, handled, processed, stored, and disposed;
(2) an evaluation of the residuals storage requirements for the treatment facility, based upon the
maximum anticipated residuals production rate and the ability to remove residuals;
(3) a permit for residuals management or a written commitment to the permittee of a Department-
approved residuals management program accepting the residuals that demonstrates that the
approved program has capacity to accept the residuals or that an application for approval has been
submitted; and
(4) if oil, grease, grit, or screenings remo val and collection is a designed unit process, an explanation
as to how these materials will be collected, handled, processed, stored, and disposed.
(b) The permittee shall maintain a record of all residuals removed from the facility.
History Note: Authority G.S. 143-215.1; 143-215.3(a);
Eff. June 18, 2011;
Readopted Eff. September 1, 2018.
SECTION .0900 - LOCAL PROGRAM APPROVAL
15A NCAC 02U .0901 LOCAL PROGRAM APPROVAL
(a) Municipalities, counties, local boards or commissions, water and sewer authorities, or groups of municipalities
and counties may apply to the Division for approval of programs for permitting construction, modification, and
operation of reclaimed water distribution lines and permitting users under their authority, unless prohibited by Rule
.0120 of this Subchapter. Construction of and modifications to treatment works, including pump stations for
reclaimed water distribution, require Division approval. P ermits issued by approved local programs shall serve in
place of permits issued by the Division. Local program approval shall not be granted for dedicated reclaimed water
systems.
(b) Applications. Applications for approval of local programs shall provid e information to assure compliance with
the requirements of this Subchapter and the following:
(1) Include two copies of the permit application forms, intended permits, including types of uses,
design criteria, flow chart of permitting, inspection, and cer tification procedures, and other
relevant documents to be used in administering the local program; and
(2) Documentation that the local authority has procedures in place for processing permit applications,
setting permit requirements, enforcement, and penalties that are compatible with those for permits
issued by the Division.
(c) Any amendments to the requirements of this Subchapter shall be incorporated into the local program within 60
days of the effective date of the amendments.
(d) If required by G.S. 89C, a North Carolina registered Professional Engineer shall be on the staff of the local
program or retained as a consultant to review designs and to answer questions that arise in the review of proposed
projects. The local program shall also provide staff or retain a consultant to review all other non -engineering related
program areas.
(e) Each project permitted by the local program shall be inspected for compliance with the requirements of the local
program at least once during construction.
(f) Approval of Local Programs. The Division staff shall acknowledge receipt of an application for a local program,
review the application, notify the applicant of additional information that may be required, and make a
recommendation to the Commission regarding approval of the proposed local program.
(g) All permitting actions, enforcement actions, and monitoring of the distribution system shall be summarized and
submitted to the Division on an annual basis on Division-approved forms. . The report shall also provide a listing
and summary of all enforcement actions taken or pending during the year. The report shall be submitted within 30
days after the end of each year.
(h) A summary of any program changes shall be submitted to the Division on an annual basis. Pro gram changes
include staffing, processing fees, and ordinance revisions.
(i) Modification of a Local Program. After a local program has been approved by the Commission, any
modification of the program procedures or requirements specified in this Rule shal l be approved by the Director to
assure that the procedures and requirements remain as stringent as the State -wide requirements in this Subchapter.
(j) Appeal of Local Decisions. Appeal of individual permit denials or issuance with conditions the permit applicant
finds unacceptable shall be made according to the approved local ordinance. The Commission shall not consider
individual permit denials or issuance with conditions to which a permittee objects. This Paragraph does not alter the
enforcement authority of the Commission as specified in G.S. 143-215.1(f).
History Note: Authority G.S. 143-215.1; 143-215.1(f); 143-215.3(a);
Eff. June 18, 2011;
Readopted Eff. September 1, 2018.
SECTION .1100 - WETLANDS AUGMENTATION
15A NCAC 02U .1101 WETLANDS AUGMENTATION
(a) Wetland augmentation shall be limited as follows:
(1) Wetland augmentation shall be limited to pine flat and hardwood flat wetlands as defined in the
most current version of the N.C. Wetland Assessment Method (NC WAM) User Manual
developed by the N.C. Wetland Functional Assessment Team (NC WFAT), excluding riparian
zones;
(2) Reclaimed water discharge to Salt Water Wetlands (SWL) or Unique Wet Lands (UWL), as
defined in 15A NCAC 02B .0101, is not permitted under the rules in this Subchapter; and
(3) Reclaimed water discharge to wetlands areas shall be limited to times when the depth to
groundwater is greater than or equal to one foot.
(b) In addition to the requirements established in Rule .0201 or Rule .0202 of this Subchapter, all new and
expanding wetlands augmentation facilities shall:
(1) Identify the classification of the existing wetlands according to the most current version of the
N.C. Wetlands Assessment Method (NC WAM) User Manual and information provided by the
North Carolina Natural Heritage Program (NC NHP);
(2) Identify the existing beneficial uses of the reclaimed water to the wetlands in accordance with 15A
NCAC 02B .0231, and demonstrate the net environmental benefit;
(3) Determine the hydrologic regime of the wetlands, including depth and duration of inundation, and
average monthly water level fluctuations. An estimated monthly water budget shall be provided by
the applicant and compared to actual conditions during operation;
(4) Identify the class of reclaimed water to be discharged, associated parameter concentrations, and
annual loading rates to the wetlands;
(5) Determine whether the wetland occurs in a ground water recharge or discharge area;
(6) Provide baseline monitoring information for wetlands to allow determination of reference
conditions, to be performed for at least one representative year prior to initiation of discharge;
(7) Provide a project evaluation and receiver site agronomic plan that includes a hydraulic loading
recommendation based on the soils report, hydrogeologic description, agronomic investigation,
wetland type, local topography, aquatic life, wildlife, and all ot her investigative results to support
that there will be no negative effects on the uses of the wetlands, including the biological criteria
and net environmental benefits that will be gained. Hydraulic loading recommendations shall
reflect seasonal changes to wetlands, including restrictions during times of high water table levels;
(8) For dedicated wetlands augmentation systems, provide 200 percent of the land requirements based
on the recommended hydraulic loading rate. After five years of operation the pe rmittee may
request and receive a reduction in the additional land requirement if operational data supports that
sufficient utilization capacity exists for the reclaimed water generator;
(9) Ten percent of the land requirements shall remain in a natural state to be used as a basis of
comparison to the wetlands receiving reclaimed water;
(10) For application of reclaimed water exhibiting parameter concentrations greater than 100 percent of
the groundwater standards, provide a site-specific hydrogeologic investigation (i.e., evaluation of
wetlands/groundwater interaction, groundwater recharge/discharge, gradient, project proximity to
water supply wells) to show that hydrogeologic conditions are adequate to prevent degradation of
groundwater quality and demonstrate through hydrogeological modeling that groundwater
standards will not be exceeded at the compliance boundary; and
(11) Provide documentation that any applicable NPDES program requirements have been met,
pursuant to 15A NCAC 02H .0100.
(c) All renewal applications for wetlands augmentation facilities shall submit documentation that the project
continues to function as designed and that the net environmental benefit aspects remain applicable.
(d) Reclaimed water utilized for wetlands augmentation shall meet the following reclaimed water effluent
standards:
(1) Reclaimed water discharged to natural wetlands shall be treated to Type 1 reclaimed water
standards;
(2) In addition to water quality requirements associated with Type 1 reclaimed water, reclaimed water
discharged to wetlands shall not exceed the following concentrations, unless net environmental
benefits are provided:
(A) Total Nitrogen (as Nitrogen) of 4.0 mg/L; and
(B) Total Phosphorus (as Phosphorus) of 1 mg/L;
(3) Metal concentrations in reclaimed water discharged to wetlands shall not exceed North Carolina
surface water quality standards, unless acute whole effluent toxicity testing demonstrates absence
of toxicity.
(e) Reclaimed water facilities utilizing wetlands augmentation shall meet the criteria below:
(1) Notification shall be provided by the permittee or its representative to inform the public of the use
of reclaimed water and that the reclaimed water is not intended for drinking;
(2) The reclaimed water generator shall develop and maintain a wetlands monitoring program. This
monitoring will be conducted during the first five growing seasons after initiation of the
application of reclaimed water, after which the applicant may apply for reduced monitoring. The
monitoring requirements shall include the following items:
(A) vegetation, macroinvertebrates, amphibians, fish, birds, and threatened or endangered
species surveys;
(B) water chemistry;
(C) surface water and ground water depth readings; and
(D) a groundwater monitoring plan, except for those projects receiving reclaimed water
characterized by average annual parameter concentrations less than or equal to 50 percent
of ground water quality criteria, and less than 50 percent of required surface water
discharge concentrations;
(3) The reclaimed water generator shall develop and maintain an education program for all users of
reclaimed water on property not owned by the generator;
(4) The reclaimed water generator shall develop and maintain a routine review and inspection
program for the wetlands augmentation system; and
(5) The compliance boundary and the review boundary for groundwater shall be established at the
property line. No deed restrictions or easements are required to be filed on adjacent properties.
Land application of reclaimed water shall be on property controlled by the generator unless a
contractual agreement is provided in accordance with 15A NCAC 02L .0107, except when a
compliance boundary is not established.
(f) Permitting of wetlands augmentation uses shall not be delega ted to local programs.
History Note: Authority G.S. 143-215.1; 143-215.3(a);
Eff. June 18, 2011;
Readopted Eff. September 1, 2018.
SECTION .1400 - IRRIGATION TO FOOD CHAIN CROPS
15A NCAC 02U .1401 IRRIGATION TO FOOD CHAIN CROPS
(a) Irrigation to food chain crops shall be limited as follows:
(1) Reclaimed water utilized for direct or indirect contact irrigation of food chain crops that will be
peeled, skinned, cooked, or thermally processed before consumption shall be treated to Type 1
reclaimed water standards;
(2) For the purposes of this Rule, tobacco is not considered a food chain crop;
(3) Reclaimed water shall not be utilized for direct contact irrigation of food chain crops that will not
be peeled, skinned, cooked, or thermally processed before consumption except as approved in
Subparagraph (5) of this Paragraph;
(4) Reclaimed water utilized for indirect contact irrigation of food chain crops that will not be peeled,
skinned, cooked, or thermally processed before consumption shall be treated to Type 2 reclaimed
water standards; and
(5) If requested, the Department shall authorize demonstration projects to collect and present data
related to the direct application of reclaimed water on crops that are not peeled, skinned, cooked,
or thermally processed before consumption. Crops produced during such demonstratio n projects
may be used as animal feed or may be thermally processed, cooked, or otherwise prepared for
human consumption in a manner approved by the North Carolina Department of Agriculture and
Consumer Services. If the applicant, based on the data collected, demonstrates to the Department
that public health will be protected if their reclaimed water is directly applied to crops that are not
peeled, skinned, cooked, or thermally processed, the Department shall waive the prohibition
described in Subparagraph (3) of this Paragraph for that project. When considering such
demonstration projects, the Department shall seek the advice of the North Carolina Department of
Agriculture and Consumer Services.
(b) In addition to the requirements established in Rule .020 1 or Rule .0202 of this Subchapter, all new and
expanding irrigation to food chain crops systems shall submit a Standard Soil Fertility Analysis for each field to be
irrigated. The Standard Soil Fertility Analysis shall include the following parameters:
(1) acidity;
(2) base saturation (by calculation);
(3) calcium;
(4) cation exchange capacity;
(5) copper;
(6) exchangeable sodium percentage (by calculation);
(7) magnesium;
(8) manganese;
(9) percent humic matter;
(10) pH;
(11) phosphorus;
(12) potassium;
(13) sodium; and
(14) zinc.
(c) When a water balance is required by Rule .0202(e) of this Subchapter, the water balance shall include seasonal
water requirements for the crops.
(d) For irrigation sites not owned by the permittee, a land owner agreement shall be provided to the Division. The
land owner agreement shall include the following:
(1) a description of the approved uses and conditions for use of the reclaimed water consistent with
the requirements of this Rule;
(2) a condition requiring the reclaimed water supplier to provide the landowner with the results of
sampling performed to document compliance with the reclaimed water effluent standards; and
(3) a condition requiring the landowner to report to the permittee any use of the reclaimed water
inconsistent with the uses in the agreement.
(e) All renewal applicants for dedicated irrigation to food chain crop systems shall submit:
(1) A Standard Soil Fertility Analysis for each field to be irrigated. The Standard Soil Fertility
Analysis shall include the parameters from Paragraph (b) of this Rule;
(2) The inventory of commercial agricultural operations using reclaimed water to irrigate food chain
crops required in Subparagraph (f)(7) of this Rule; and
(3) For irrigation sites not owned by the permittee, a land owner agreement pursuant to Paragraph (d)
of this Rule.
(f) Reclaimed water facilities providing reclaimed water for the irrigation of food chain crops shall meet the criteria
below:
(1) Crops irrigated by direct contact with reclaimed water shall not be harvested within 24 hours of
irrigation with reclaimed water;
(2) Notification at the utilization site shall be provided by the permittee or its representative to inform
the public of the use of reclaimed water and that the reclaimed water is not intended for drinking;
(3) The reclaimed water generator shall develop and maintain a record keeping program for
distribution of reclaimed water;
(4) The permittee shall develop and maintain an education program for users of reclaimed water for
irrigation to food chain crops;
(5) The reclaimed water generator shall provide all landowners receiving reclaimed water for
irrigation of food chain crops a summary of all reclaimed water system performance as required in
G.S. 143-215.1C;
(6) The reclaimed water generator shall develop and maintain a routine review and inspection
program for all irrigation to food chain crop systems; and
(7) The permittee shall maintain an inventory of commercial agricultural operations using reclaimed
water to irrigate food chain crops for each year of operation. The inventory shall be maintained for
five years. The inventory of food chain crop irrigation shall include the following:
(A) name of the agricultural operation;
(B) name and telephone number of the owner or operator of the agricultural operation;
(C) address of the agricultural operation;
(D) food chain crops irrigated with reclaimed water;
(E) type of application method used; and
(F) approximate irrigation area where food chain crops are grown.
History Note: Authority G.S. 143-215.1; 143-215.3(a);
Eff. June 18, 2011;
Readopted Eff. September 1, 2018.