NC0025984_SPAR_20220218

Town of Forest City
2021 System Performance Annual Report (SPAR)
January 1, 2021 to December 31, 2021
I. General Information
• Name of regulated entity:
County:
• Responsible persons:
Town of Forest City
Rutherford County
Steve Holland, Mayor
Janet Mason, City Manager
Mailing address: PO Box 728; Forest City, NC 28043-0728
Physical address Public Works: 132 Wilkie Street, Forest City 28043
Physical address Forest City WWTP: 397 Riverside Drive, Forest City 28043
Physical address Riverstone WWTP: 219 Broad River Blvd, Forest City 28043
Phone numbers:
828-245-4747
828-245-0149
828-248-5217
828-248-5217
828-245-0149
828-245-0149
Janet Mason
Barry Spurlin
Jacob Hodge
Sonny Penson
John Hardin
Reid Guffey
• Listing of applicable permits:
City Manager
Public Works Director
WVVTP Chief Plant Operator/ORC
WWTP Plant SuperintendentfBack-up ORC
Water and Sewer Superintendent
Collections ORC
Collection System: WQCS00050
Wastewater Treatment Plants: NCO025984 Forest City WWTP — Riverside Drive
NC0087084 Riverstone Industrial Park WWTP
NC0083275 DRG Harris WWTP
• Description of sewer collection system and wastewater treatment systems or processes:
Collection System: WQCS00050
The Town of Forest City maintains and operates 27 lift stations (19 in Forest City, 6 in Ellenboro, 1
at Riverstone Industrial Park, and 1 on site at American Zinc Products.) There are - 95 miles of
gravity sewer and -13.6 miles of force main. Chase Middle School makes up 2.4 miles of this
force main and Chase High School makes up another 1.5 miles of this force main. The Riverstone
Industrial Park makes up 0.7 miles of the gravity sewer total and 390.8 feet of force main. The
Hicks Grove station serving AZP (American Zinc Products) has 1.1 miles of force main contributing
to the above total. Riverstone's lift station and the Hicks Grove (AZP) station are pumped to the
Riverstone WWTP headworks located at 219 Broad River Blvd.
The Town of Forest City also maintains the Town of Ellenboro's sewer collection system. This
system has - 6.2 miles of gravity sewer, 7.4 miles of force main and four pump stations (with
telemetry and dual high water alarms). Ellenboro Elementary School and East High School each
have lift stations that pump into Ellenboro's collection system and are maintained by the Town of
Forest City.

Pretreatment Program:
There are 4 significant industrial users which contribute flow to the collection system and
Forest City wastewater treatment plant: Everest Textiles, Danfoss, Westrock and Parker
Hannifin. Riverstone WWTP has one IUP issued to AZP (American Zinc Products.)
Wastewater Treatment Plants (WWTP) / Water Reclamation Facility (WRF):
NCO025984 Wastewater Treatment Plant located at 397 Riverside Drive in Forest City
is a 4.95 MGD plant consisting of the following units:
• Influent mechanical step/bar screen and manual bypass screen.
• Aerated traveling bridge grit chamber and grease removal.
• 5 smaller first stage aeration tanks with floating aerators (currently not operating.)
• Second stage aeration basin with floating aerators (3.99 MG capacity.)
• Dual secondary clarifiers (75 ft. diameter.)
• Chlorine contact chamber and step aeration.
• Chlorine gas feed equipment
• Sulfur Dioxide gas feed equipment for dechlorination.
• Aerobic Digester with diffused air system (approximately 0.450 MG capacity.)
• Aerobic Digester with floating aerator (approximately 0.230 MG capacity.)
• (2) WAS pumps approximately 500 gpm direct to digester, and 375 gpm to thickener.
• JWC Monster drum thickener IFT Series Rotary Screen.
• Enviroquip 2.0 meter belt filter press (14% - 17% solids.)
• Class B sludge cake is hauled to permitted fields under Southern Soil Builders
permit (WQ0010926.)
• Average flow is approximately 1.25 MGD.
NCO087084 Riverstone WWTP
Located at 219 Broad River Blvd in the Riverstone Industrial Park. The Plant is a 0.05 MGD
SBR plant consisting of:
• Influent mechanical step/bar screen and manual bypass screen.
• Pre EQ basin with maximum capacity of 0.017 MG and max design flow rate of
138.9 gpm.
• SBR basin with minimum capacity of 0.043 MG and maximum capacity of 0.063 MG.
Decant flow rate (average high to low) 313 gpm. Sludge waste rate 100 gpm.
• Post SBR EQ basin maximum volume 0.0156 MG. Flow control valve feeds chlorine
contact chamber at a rate of 0 — 313 gpm.
• Chlorine contact chamber with tablet feeders for chlorination and dechlorination
• Aerobic digester with maximum volume of 0.033 MG.
The SBR has a default program for permitted flow rate of 5 cycles/24 hour day:
1. Mixed -fill 35 minutes (anoxic condition)
2. React -fill 109 minutes (blowers running with floating mixer)
3. React phase 35 minutes (influent pumps are locked out)
4. Settle 45 minutes
5. Decant 64 minutes

6. Idle 64 minutes (integral with decant)
7. Sludge waste 2 minutes (integral with decant)
The cycles have programmability built in by PLC. These have been adjusted as needed to
accommodate the small flow rate currently received by the plant. Sludge waste is
conducted manually as needed. Riverstone WWTP flow is approximately 3,000 to 5,000
gallons per day average.
NCO083272 DRG Harris Plant
A 0.91 MGD WWTP which is inoperative & currently inactive.
WWTP Sludge Management:
WQ0037135 Class B land application US Biosolids Incorporated
US Biosolids Incorporated applies Class B cake sludge to sites they have permitted under
permit number WQ0037135. 161.7 dry tons were bulk land applied using pathogen
reduction option: Class B Alternative 1 - Fecal Coliform Geometric Mean and vector
attraction reduction options: Bench -Scale Volatile Solids Reduction (Aerobic Bench Test w/
Percent Solids — 2% or Less.) US Biosolids submits the NC DEQ report for this permit.
EPA online submission was uploaded on 02/11/2022 for the 2021 year
II. Performance
• Description of overall 12 month performance, noting highlights and deficiencies.
The Forest City WWTP and Collection System performed adequately during calendar year 2021.
The staff of the WWTP, Collection System, and Pump Maintenance departments continuously look
for ways to minimize or eliminate heavy flow conditions associated with I&I.
The Forest City WWTP installed a new Vulcan influent mechanical step/bar screen and had the old
one rebuilt for a backup if needed. FCVWI►fP had a polymer pump that feed our belt press go out
of service, which halted the ability to press sludge. The plant saw a slight increase in Biological
Oxygen Demand (BOD), Total Suspended Solids (TSS) and Ammonia, however, the plant
remained in full compliance. The Riverstone WWTP had a violation for failed Toxicity and 1 weekly
violation for TSS in December 2021. The violations were due to over wasting of the sludge. The
plant was reseeded, and toxicity was passed in January 2022 and no further issues have occurred.
The bid was just awarded for a new Dogwood lift station to be built. The construction should start
the second quarter of 2022.
• By month, list of the number and type of any violations of permit conditions, environmental
regulations or environmental laws, including (but not limited to):
Permit Limit Violations, Monitoring and Reporting Violations:
NCO025984 Forest City WWTP: No violations for calendar year 2021

NCO087084 Riverstone WWTP:
• 12/2021 fail to pass toxicity
• 12/11 /2021 Notice of Violation (NOV) Total Suspended Solids (TSS) exceeded
weekly average. Limit 45 mg/L, Reported 50mg/L
SSOs or Bypasses of treatment facilities. None
Collection System SSOs: None
Corrective Measures
Collection System: During 2021 the Town of Forest City had 38,618 feet of sewer line
cleaned and 27,645 feet of sewer treated for root control. Camera inspection consisted of
22,993 feet.
The Town of Ellenboro collection system is maintained by Forest City. A total of 8369 feet
of cleaning to the Ellenboro collection system took place in 2021.
Description of any known environmental impact of violations: None
• Description of corrective measures taken to address violations or deficiencies at WWTP: The
violations at Riverstone VWVfP were due to over wasting of the sludge. The plant was reseeded, and
toxicity was passed in January 2022 and no further issues have occurred.
Sewer Collection System Infiltration and Inflow (I&I) Rehabilitation Projects:
The Town will actively pursue grants and repair/rehabilitate lines where possible.
III. Notification
Notification of the Town's System Performance Annual Report shall be conveyed to Town
customers by a statement printed on monthly, billing. The report will be available on the Town's
website and shall be made available as "hard copy" upon request from the following locations:
• Forest City Town Hall, located at 128 N Powell Street,
• Public Works Department located at 132 Wilkie Street,
• Forest City Wastewater Treatment Plant located at 397 Riverside Drive.
IV. Certification
North Carolina Certified Operators in Responsible Charge (ORC) and backuas:
WWTP ORC: Jacob Hodge WW IV Cert. # 1002138
WWTP Back-up ORC(s): (Sonny) Barnard N. Penson, Jr. WW IV Cert. # 22338
Collections ORC(s): Brian Reid Gulley CS 4 Cert. # 1000714
Collections Backup ORC(s) Temporarily Vacant

• Statement by responsible officials certifying the report is accurate and complete.
I certify under penalty of law that this report is complete and accurate to the best of my knowledge. I
further certify that this report has been made available to the users or customers of the named system
and that those users have been notified of its availability.
-// -,2,?-
Signature by Barry Spurlin Public Works Director Date
re by Jacob Hodge
Signature by Barnard N
Chief Plant Operator/ORC
Date
Jr WWTP Plant Superintendent/backup ORC Date
r
r OZ-/4-Zz
Signature by John Hardin
and Sewer Superintendent Date
Signature by Brian Reid Guffey 'Collections System ORC
Date
Note: Annual reports (SPAR) must be submitted within 60 days of the end of the applicable 12-
month review period.
To satisfy the Departmental reporting requirement, three copies of the annual report (SPAR) should
be submitted to the following address:
System Performance Annual Report
North Carolina Division of Water Quality
1617 Mail Service Center
Raleigh, NC 27699-1617