NC0003425_SOC (issuance)_20180101

NORTH CAROLINA
ENVIRONMENTAL MAIAGE.MENT CO:itISSION
COUNTY OF PERSON
IN THE MATTER OF
NORTH CAROLINA
NPDES PERMIT
No. NCO003425
HELD BY CAROLINA POWER
b LIGHT COMPANY
ROXBORO STEAM ELECTRIC
PLANT
SPECIAL ORDER BY CONSENT
EMC uQ NO. 86-11
Pursuant to provisions of North Carolina General Statute 143--215.2, by and
between Carolina Power 5 Light Company, hereinafter referred to as CP4L, and
the North Carolina Environmental YanaRement Commission, an agency in the
State of torch Carolina, hereinafter referred to as the Commission;
1. The Company hereby stipulates the following facts:
(a) CP&L holds North Carolina NPDES Permit No. NC0003425, for operation
of an existing treatment works and making an outlet to Ayco Lake,
waters of this State;
(b) On November 8, 1984, the Commission adopted Regulation
15 NCAC 2B .021I, fresh surface water classifications and
standards, which reduced the water quality standard for selenium in
ponds, lakes, and reservoirs from 10 ug/l to 5 ugh effective on
January 1, i985;
(c) CPbL is now discharging wastewater, hue based on historical data,
is not able to comply with the revised selenium water quality
standard in Hyco Lake and will not be able to comply with the
selenium effluent limitation to protect this standard when the
NPDES Permit No. NCO003425 is reissued.
(d) Until such time as CPbL can comply with adopted water quality
standards, CP6L may cause and contribute to pollution of the named
waters;
(a) The Company is subject to N. C. General Statute 143-215.1, and is
within the jurisdiction of the Commission as sat forth in Chapter
143, Article 21 of the North Carolina General Statutes;
(f) The Company hereby waives its right to a hearing on the terms of
this Special Order by Consent pursuant to procedural requirements
of the N. C. General Statute 143-215.4 and Commission rules In, 15
NCAC 2I and also hereby naives the right to appeal this Special.
Order by Consent in accordance with N. C. General Statute
143-215.5.
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{g) CP&L owns and operates the Roxboro Steam Slectric Plant located in
Person County near the Town of Roxboro, North Carolina. Fyco lake
is an integral part of this steam electric generating facility.
(h) CP&L has requested that the 'qoxboro Plant NPDES Permit 0a .
NC0003425) be renewed and anticipates that the renewed Permit gill
contain an effluent limitation for selenium which will be designed
to protect the revised water quality standard of 5 ug/l..
2. CP&L, desiring to comply with water quality standards and with the
conditions of the NPDES permit to be reissued, does hereby agree to do
and perform all of the following:
(a) :feet and comply with all terms and conditions of the permit except
those effluent limitations identified in paragraph 1(c) above.
(b) During the time in which this Special Order by Consent is
effective, comply with interim effluent limitations for outfall
serial numbers .001 and .002 contained in Attachments A and B.
Limits and monitoring frequencies for all other outfalls remain as
in NPDES Permit lo. NCO003425. The following reflects only the
rr_ limitations that have been modified from NPDES requirements by this
Order.
Effluent Characteristics Discharge Limitations
kg/dav_ (lbe/day)
Daily Avg.
Selenium 15.89 (35)
(c) Upon execution of this Order, undertake the following activities in
accordance with the indicated time schedule:
i. Initiate fly ash landfill design by August 15, 1986.
ii. Issue purchase order for the ash conveying system by
October 15, 1986.
iii. Initiate major mechanical and electrical system design by
�r November 15, 1986.
iv. Complete construction of modifications to the west ash basin
by March 1, L987.
V. Issue purchase orders for engineering procured material,
review vendor proposals, prepare approved -for -construction
drawings and specifications and issue contracting inquiry
package by December 15, 1987.
vi. Award construction contracts and start construction on the dry
fly ash handling system by March 15, 1988.
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vii. Complete major contracting and procurement activities by
June 15, 1988.
viii. Provide the Director, Division of Environmental `tanagament,
with a schedule of when each of the Roxboro Plant units will
begin operation with the new dry fly ash handling system by
September 15, 1988.
ix. Complete construction and comply with final NPOES permit
limitations on or before January 15, 1990.
3. CP&L shall submit interim progress reports to the Director, Division of
Environmental Management, describing steps taken to achieve compliance
with the requirements of this Order no later than 14 days after the
deadline for completing each increment required in Section 2(c).
Z. the Roxboro Steam Electric Plant must continue to comply with all
conditions of 15 yCAC 29 .0211 with the exception of the selenium water
quality standard. CPSL will comply with the previous selenium water
quality standard of 10 ug/l until such time as modifications to the ash
handling system as required in this Special Order are completed and in
operation. The Commission recognizes that some time will be needed
after CP&L complies with the required permit limitations before the
crater quality of Hyco Lake reaches a selenium level in compliance with
the new water quality standard. If CPQ complies with all the
conditions of this SOC, they may request an extension of this Special
Order regarding compliance with eater quality standards to allow the
receiving waters time to recover after selenium discharges from the
Roxboro Steam Plant have been significantly reduced.
5. As an interim measure to minimize selenium discharges until the fly ash
handling system modifications as described under Section 2(c), CP&L
shall enhance the existing ash pond by increasing retention time and
improving ash sluice water circulation patterns.
6. Nothing contained herein shall prevent the Commission from assessing
civil penalties pursuant to North Carolina General Statute 143-215.6 for
violating any term or condition of this order.
7. CPfiL agrees that this Special Order shall pertain only to that equipment
or source described in Section 1(a) of this Order.
8. Failure of CPfiL to comply with all provisions contained herein, shall
subject CP&L to all sanctions provided by North Carolina General
Statutes 143-215.6.
9. CP&L hereby agrees to waive any rights it may have to seek judicial
review to challenge this Order or to seek a stay of enforcement of this
Order. However, the Commission acknowledges that this Waiver does not
prohibit CPQ from sacking modifications of this Order.
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10. This Special Order by Consent shall, expire on January 15, 1990.
Entared into this the 2.0 day of =_'_> > 19 u
CAROLINA POWER S LIGHT COMPANY
BY: -
Lynn W. Eu
Senior Vie President
Operations Support
N. C. E:tVIROM ENTAL :SANAGM. NT COF-41SSION
Chairman of the Commission
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