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HomeMy WebLinkAboutWQCS00037_DV-2021-0115 Response_20210811RECEIVEDINCDEQIDWR AO 1 8 2021 WQROS NORTH CAROLINA ►VMOORESVILLE REGIONAL OFFICE Post Office Box 207 . Shelby, NC 28151-0207 August 11, 2021 Mr. Corey Basinger, Regional Supervisor Division of Water Resources, Mooresville Regional Office 610 East Center Avenue, Suite 301 Mooresville, NC 28115 Re: Notice of Violation and Civil Penalty Assessment- Penalty Waiver Request Case Number DV-2021-0115 Collection System Permit #WQCS00037 City of Shelby, Cleveland County Dear Mr. Basinger: Attached you will find Civil Penalty Waiver Request for Case Number DV-2021-0115. The justification for this waiver is provided on the appropriate form. In short, the City continues to reinvest in the sewer infrastructure and we are actively evaluating our system for sources of inflow and infiltration. In both cases, heavy rainfall and flooding were occurring. As shown in the support documentation, the City has made and is making system improvements in both areas. The City hereby requests waiver of the associated penalties and enforcement costs. Please contact me if you need additional information or if you may have any questions. I can be reached at 704- 669-6570 or david.hux@ citvofshelby.com. David W. Hux Director of Water Resources cc: Rick Howell; City Manager www.cityofshelby.com ROY COOPER Governor ELIZABETH S. BISER Secretary S. DANIEL SMITH Director Certified Mail # 7018 3090 0001 2319 0192 Return Receipt Requested Rick Howell, City Manager City of Shelby PO Box 207 Shelby, NC 28151-0207 NORTH CAROLINA Environmental Quality July 21, 2021 SUBJECT: Notice of Violation and Assessment of Civil Penalty for Violations of North Carolina General Statute (G.S.) 143-215.1(a)(6) and Collection System Permit No. WQCS00037 City of Shelby Shelby Collection System Case No. DV-202I-0115 Cleveland County Dear Mr. Howell: This letter transmits a Notice of Violation and assessment of civil penalty in the amount of $2,128.16 ($2,000.00 civil penalty + $128.16 enforcement costs) against City of Shelby. This assessment is based upon the following facts: a review has been conducted of the Sanitary Sewer Overflow (SSO) 5-Day Report submitted by City of Shelby. This review has shown the subject facility to be in violation of the requirements found in Collection System Permit No. WQCS00037 and G.S. 143-215.1(a)(1). The violation(s) that occurred are summarized in Attachment A to this letter. Based upon the above facts, I conclude as a matter of law that City of Shelby violated the terms, conditions or requirements of Collection System Permit No. WQCS00037 and G.S. 143-215.1(a)(1) in the manner and extent shown in Attachment A. In accordance with the maximums established by G.S. 143-215.6A(a)(2), a civil penalty may be assessed against any person who violates the terms, conditions or requirements of a permit required by G.S. 143-215.1(a). Noch CambiaoeparimentoftnvlronmentalQualliy Olvislmt of Wake Resources Moon.s,III. Regional OlOct i WO tail Center Avenue. SuRc 301 1 Moar,aa) k.. Nonit Cure{Jna 20115 70a612i6 ) Based upon the pv [1#i€ in va s and conclusions of law, and in accordance with authority provided by the Secretary aenta1 Quality and the Director of the Division of Water Resources, 1, W. Corey €s Basingeie+rseir, sville Regional Office hereby make the following civil penalty assessment against 2.000.00 For 2 of the 3 tntions of Collection System Permit No. WQCS00037 and G.S. 143-215.1(a)(1) for Sanitary Sew byerflow(s) resulting in a discharge without a valid permit. $2000.00 _ TATALCIWIL PENALTY $128.16 Enforcement Costs $2,128,16 TOTAL AMOUNT DUE Pursuant to G.S. 143-215.6A(c), in determining the amount of the penalty I have taken into account the Findings of Fact and Conclusions of Law and the factors set forth at G.S. 143B-282.1(b), which are: (1) The degree and extent of harm to the natural resources of the State, to the public health, or to private property resulting from the violation; (2) The duration and gravity or t e violation; --- (3) The effect on ground or surface water quantity or quality or on air quality; (4) The cost of rectifying the damage; (5) The amount of money saved by noncompliance; (6) Whether the violation was committed willfully or intentionally; (7) The prior record of the violator in complying or failing to comply with programs over which the Environmental Management Commission has regulatory authority; and (8) The cost to the State of the enforcement procedures. Within thirty (30) days of receipt of this notice, you must do one of the following: (1) (2) (3) Submit payment of the penalty, OR Submit a written request for remission, OR Submit a written request for an administrative hearing Option 1: Submit payment of the penalty: Payment should be made directly to the order of the Department of Environmental Quality (do not include waiver form). Payment of the penalty will not foreclose further enforcement action for any continuing or new violation(s). Please submit payment to the attention of: Attn: PERCS Branch Division of Water Resources 1617 Mail Service Center Raleigh, North Carolina 27699-1617 Case Number: DV-2021-0115 Assessed Party: City of Shelby Permit No.: WQCS00037 JUSTIFICATION FOR REMISSION REQUEST County: Cleveland Amount Assessed: $2.128.16 Please use this form when requesting remission of this civil penalty. You must also complete the "Request For Remission, Waiver of Right to an Administrative Hearing, and Stipulation of Facts" form to request remission of this civil penalty. You should attach any documents that you believe support your request and are necessary for the Director to consider in evaluating your request for remission. Please be aware that a request for remission is limited to consideration of the five factors listed below as they may relate to the reasonableness of the amount of the civil penalty assessed. Requesting remission is not the proper procedure for contesting whether the violation(s) occurred or the accuracy of any of the factual statements contained in the civil penalty assessment document. Pursuant to N.C.G.S. § 143B-282.1(c), remission of a civil penalty may be granted only when one or more of the following five factors apply. Please check each factor that you believe applies to your case and provide a detailed explanation, including copies of supporting documents, as to why the factor applies (attach additional pages as needed). X (a) one or more of the civil penalty assessment factors in N.C.G.S. 143B-282.1(b) were wrongfully applied to the detriment of the petitioner (the assessment factors are listed in the civil penalty assessment document); (b) the violator promptly abated continuing environmental damage resulting from the violation (i.e., explain the steps that you took to correct the violation and prevent future occurrences); (c) the violation was inadvertent or a result of an accident (i.e., explain why the violation was unavoidable or something you could not prevent or prepare for); (d) the violator had not been assessed civil penalties for any previous violations; (e) payment of the civil penalty will prevent payment for the remaining necessary remedial actions (i.e., explain how payment of the civil penalty will prevent you from performing the activities necessary to achieve compliance). EXPLANATION: STATE OF NORTH CAROLINA DEPARTMENT OF ENVIRONMENTAL QUAL .ITY COUNTY OF C'LEVELAND EN THE MATTER OF ASSESSMENT OF CIVIL PENALTIES AGAINST City of Shelby Shelby Collection System PERMIT NO. WQCS00037 WAIVER OF RIGHT TO AN ) ADMINISTRATIVE HEARING AND ) STIPULATION OF FACTS ) ) CASE NO. DV-2021-011S Having been assessed civil penalties totaling $2,128.16 for violation(s) as set forth in the assessment document of the Division of Water Resources dated July 21. 2021, the undersigned, desiring to seek remission of the civil penalty, does hereby waive the right to an administrative hearing in the above -stated matter and does stipulate that the facts are as alleged in the assessment document. The undersigned further understands that all evidence presented in support of remission of this civil penalty must be submitted to the Director of the Division of Water Resources within thirty (30) days of receipt of the notice of assessment. No new evidence in support of a remission request will be allowed after (30) days from the receipt of the notice of assessment. This the day of ' . 20 Zi ADDRESS ox zo7 TELEPHONE 70q 4g41. °ea 0 ATTACHMENT A City of Shelby CASE NUMBER: DV-2021-0115 PERMIT NO: WQCS00037 FACILITY: Shelby Collection System REGION: Mooresville COUNTY: Cleveland Other Violations INCIDENT VIOLATION NUMBER DATE VIOLATION TYPE VIOLATION DESCRIPTION TOTAL VOLUME PENALTY (GALLONS) AMOUNT 202101100 3/25/2021 CSO/SSO(Sewer Overflow) Discharge without valid permit 2,400 $750.00 202101098 3/26/2021 CSO/SSO(Sewer Overflow) Discharge without valid permit 1,400 $0.00 202101099 3/26/2021 CSO/SSO(Sewer Overflow) Discharge without valid permit 50,500 $1,250.00 NORTH CAROLINA Post Office Box 207 Shelby, NC 28151-0207 August 11, 2021 Mr. Corey Basinger, Regional Supervisor Division of Water Resources, Mooresville Regional Office 610 East Center Avenue, Suite 301 Mooresville, NC 28115 Re: Notice of Violation and Civil Penalty Assessment Tracking #DV-2021-0115 Sanitary Sewer Overflow —1600 Linton Barnette Drive — March 2021 Collection System Permit #WQCS00037 City of Shelby, Cleveland County Dear Mr. Basinger: EIVED/NCDEQ/DWR AUG 1 8 2021 RESVILWOROS LE REGIONAL OFFICE The City of Shelby received the above referenced Notice of Violation and Civil Penalty Assessment regarding the sanitary sewer overflow that occurred on March 26, 2021 at 1600 Linton Barnette Drive. The location was inspected/checked by City personnel during a major flooding at 9:35 am, sewer crews responded and were on the scene by 9:35 am and the problem was corrected at 2:30 pm. This spill resulted in an overflow of 50,500 gallons, of which 50,500 gallons reached the First Broad River. This spill event stemmed from a torrential rainfall event that dumped 3.5" + of precipitation on portions of Shelby, resulting in localized flooding of ditches and streams. Based on rainfall data collected the average monthly rainfall total for the month of March is 4.7 inches. March of 2021 totals was 6.7 inches which has been the wettest since 2011. Over the course of the last 1 1/2 years we have seen more flooding events than the previous 8 plus years. Four sewer outfalls come together in this area and combine to flow to the WWTP with at least two of these lines being susceptible to flooding with low lying manholes within the floodplain. This and past spills in this area have all been when the creeks/streams have come out of the banks resulting in flooding. The tributaries within this area are collection points for flood/storm waters for much of the southwest area of Shelby. In 2015, the City implemented improvements in the area to correct some "damming" affects from the collection lines coming together in this area. At this same time, the City conducted improvements of the First Broad Outfall going into the treatment plant to ensure that flow is not restricted. Evaluations since then have included tunnel evaluations in 2013 to evaluate the condition of the City's downstream sewer outfall tunnels to make sure that tunnels were structural sound and problems did not exist causing flows to be restricted. Evaluations and cleanings have also been conducted since 2013 www.cityofshelby.com of the sewer lines from this overflow location to the First Broad WWTP. In 2019, the outfall south of this area was completely cleaned from College Avenue to the WWTP. In 2018/19 the City completed a $6.6 million upgrade to the City's Influent/Preliminary Treatment at the First Broad WWTP, which included the increase of main lift pumping capacity from 16.0 MGD to 24.5 MGD. Since 2009, the City has been very active in areas above this spill location to reduce inflow and infiltration through several collection system improvement projects: System Improvement Projects — Above and Below the Spill location • Royster Avenue Sewer Rehabilitation 2009 —1,340 ft • Putnam/Wilmouth/Dodd 2013 —1,520 ft • Outfall Upgrades 2015 — 863 feet replaced. WWTP Main Outfall and Linton Barnette • Uptown Sewer Improvements Phase 1 2018 — 620 ft • West Shelby Sewer Rehabilitation 2016 — 3,400 ft • Arey Trade 2016 — 500 ft • Sumter Street 2016 — 430 ft • Trade/Dale 2016 — 570 ft • Leander Street 2017 —170 ft • Campbell/Trade 2017 — 500 ft • Arey and Trade Sewer Replacement 2017 — 504 Feet Replaced • Dale, Trade & Morgan Replacement 2017 — 529 Feet Replaced • Mark Drive 2018 — 585 ft • Broad Street Sewer Repairs 2018 —1,400 ft • Numerous point repairs Since 2009, the City has reinvested more than $3.8 million in infrastructure projects above this spill location, this does not include the numerous point repairs completed by City staff. With these projects gutter drains have been removed from the collection system (Uptown Area) and I&l has been reduced from broken sewer lines and bad sewer taps. A summary of improvement projects is attached where over 16,000 feet of sewer lines has been replaced. Along with this rehabilitation, the City has conducted the following: Other system projects: • Surveying of Manhole Rims & Inverts — 2021 (Ongoing) o Comparing manhole rim elevation to flood plains in the area. o Review of sewer line slope. • Purchase of manhole inserts that prevent flood waters entering low lying manholes. These are currently backordered and will be installed upon arrival. • Acoustic Testing of Major Outfalls in this area — Recent testing 2021 • Manhole Inspections in this area — Most recent in 2021 • Sewer Line Inspections by Camera — Various areas Annually throughout the collection system • Flow Monitoring Evaluations — 2009 & 2015 • Preventative Maintenance activities - Rodding and Jetting of First Broad Outfall (Various) • External Contractor Cleaning of First Broad Outfall 2019 — Highway 150 to WWTP • Sanitary Sewer Inventory and Assessment Project (Grant) 2018-2019 o Included Cleaning and Sewer Video of critical sections in West Shelby and Uptown area www.cityofshelby.com Maintenance history — Outfall lines have been cleaned and evaluated via camera (video) from the overflow point south to the First Broad WWTP. The overall condition of these outfalls is good. City has also provided cleaning and evaluation above the overflow point. In 2019 several critical sections above the overflow point were evaluated in the Sanitary Sewer Inventory and Assessment Grant Project. Many of these areas will be added to the Capital Improvement Program and prioritized. Your letter lists ten areas of review in consideration for determining civil penalty amounts for a sanitary sewer overflow. We have included the following brief responses for each item: ® Volume — 50,500 gallons • Volume reaching surface waters — 50,500 gallons • Duration and gravity — 255 minutes • Impacts to public health - There were no identified impacts to public health. • Fish kills - No fish kills were observed following this overflow. • Recreational area closures - No recreational areas were closed due to this overflow. • History of spills — There have been four (4) reportable spills at this location. February 22, 2019 February 6, 2020 November 12, 2020 March 26, 2021 • Cost of rectifying damage — No environmental damage was identified requiring remediation. City staff performed cleanup and lime application. • Intentional spill — These overflows were not intentional and were a result of heavy rainfall within a short period of time resulting in flash flooding of roads, ditches and creeks. Over three and a half inches of rain fell in parts of Shelby in a short amount of time with soils that were saturated. • Money saved by non-compliance — No money was saved by this non-compliance. The City has significantly improved our SSO history, however our efforts have not totally corrected issues in this area resulting from severe flooding of streets and creeks. The City of Shelby has purchased manhole inserts for manholes in low lying areas to help combat the inflow issues in this area. Surveying of two of the main outfalls above this area is scheduled to begin to determine rim and invert elevations of the manholes. City will compare/evaluate these elevations and flood zone elevations. This will also help to determine if pipe slope issues exist. As a long-term option, the City has recently completed an evaluation of the western sections of the sewer system within this area of Polkville/Randolph Roads. This evaluation provided service alternatives and costs that would involve combining multiple Iiftstations into one new liftstation south of Randolph Road. With these improvements flow will be diverted away from the First Broad Outfall. It is the City's intention to add this project to the City's prioritized Capital Improvement Program; however, this is being viewed as a longer -term project for the City due to an estimated cost of nearly $14.0 million. www.cityofshelby.com We recognize the requirements of our wastewater collection system permit and the importance to the environment and public health in the prevention of sanitary sewer overflows. The City of Shelby has experienced a downward trend of sanitary sewer overflows in our system and the City has shown a good faith effort to make significant improvements to the City's sewer collection system and Wastewater Treatment Plant. The City estimates that we have spent nearly $35 million in upgrades to the WWTP and another $12-15 million in improvements to the City's collection system in the last 10 years. While this location is important, we ask NCDEQ to consider that we are attempting to make necessary repairs across a 200+ mile collection system The City is proud of the improvements that we continue to make and requests that NCDEQ recognize the efforts that have been made and hereby requests the remission of the civil penalty assessment. Please contact me at anytime regarding any further information or questions you might have regarding this issue. I can be reached at 704-669-6570 or david.hux@citvofshelbv.com. Sincerely, UV David Hux Director of Water Resources cc: Rick Howell; City Manager Adam Howell; Collection System Crew Supervisor/ORC Brad Greene; Plant Operations Superintendent www.cityofshelby.com 0 Eag � \ EIC � \ « « * \ 0 =,3,1 Laj / 0 A 6/6 0 / , C:3 c 0 N CO c.0 en .1 0 00 v, 4 4 cr.; 0 0 0 0 0 0 0 N 0 • N r- Lc) 000000000 N Goc0 0 st it i ri ci (6 4 4 00000000c.)000 c*) N co st 0 00 c.0 r3 0) kri 0) N. iD 0 0) 9) Fl 8 8 8 8 8, 8 8 ( cc) tri ci LO N N c) P. , .- P. 8 8 8, csr N Lri cr) o r9) RI 0 0 0 8 r-L c,) 000000000000 r," N- CO it) en en c0 N 0)0) CO N c0 . . . 000000.0 ▪ LO ("7 CO 00 N cc) r.) (,) 0 0 0 0 0 0 0 0 0 d 01 CO 00 0 CO 0 d N cri N kr) o 0 c:) 0 0 0 000 0 o csp. Lr) cr) cr. .cr co co i rci Lr) Go 06 cc) N • • csi 0 • 04, 8 8 °P-. co— d , 0 0 0 N 01 c0 ta 8 0 C) CO 0 • Lci 00 N N • Cr) , ci ai o c) • r- cc) 0 0 00 • 1.() N 00 tro) d 0 0 Go N — , 0 Q 0 60 CY, , o ° cr) • Go rci E E a)• E • E 42 2 2 < Option 2: Submit a written request for remission or mitigation including a detailed justification for such request: Please be aware that a request for remission is limited to consideration of the five factors listed below as they may relate to the reasonableness of the amount of the civil penalty assessed. Requesting remission is not the proper procedure for contesting whether the violation(s) occurred or the accuracy of any of the factual statements contained in the civil penalty assessment document. Because a remission request forecloses the option of an administrative hearing, such a request must be accompanied by a waiver of your right to an administrative hearing and a stipulation and agreement that no factual or legal issues are in dispute. Please prepare a detailed statement that establishes why you believe the civil penalty should be remitted, and submit it to the Division of Water Resources at the address listed below. In determining whether a remission request will be approved, the following factors shall be considered: (1) whether one or more of the civil penalty assessment factors in NCGS 143B-282.1(b) was wrongfully applied to the detriment of the petitioner; (2) whether the violator promptly abated continuing environmental damage resulting from the violation; (3) whether the violation was inadvertent or a result of an accident; (4) whether the violator had been assessed civil penalties for any previous violations; or (5) whether payment of the civil penalty will prevent payment for the remaining necessary remedial actions. Please note that all evidence presented in support of your request for remission must be submitted in writing. The Director of the Division of Water Resources will review your evidence and inform you of his decision in the matter of your remission request. The response will provide details regarding the case status, directions for payment, and provision for further appeal of the penalty to the Environmental Management Commission's Committee on Civil Penalty Remissions (Committee). Please be advised that the Committee cannot consider information that was not part of the original remission request considered by the Director. Therefore, it is very important that you prepare a complete and thorough statement in support of your request for remission. In order to request remission. you must complete and submit the enclosed "Request for Remission of Civil Penalties. Waiver of Right to an Administrative Hearing, and Stipulation of Facts" form within thirty (30) days of receipt of this notice. The Division of Water Resources also re nests that ou complete and submit the enclosed "Justification for Remission Request." Both forms should be submitted to the following address: Attn: PERCS Branch Division of Water Resources 1617 Mail Service Center Raleigh, North Carolina 27699-1617 AND W. Corey Basinger, Regional Supervisor Water Quality Regional Operations Section Mooresville Regional Office Division of Water Resources, NCDEQ 610 East Center Avenue, Suite 301 Suite 301, Mooresville, NC 28115 NORTH CAROLINA Post Office Box 207 . Shelby, NC 28151-0207 August 11, 2021 Mr. Corey Basinger, Regional Supervisor Division of Water Resources, Mooresville Regional Office 610 East Center Avenue, Suite 301 Mooresville, NC 28115 Re: Notice of Violation and Civil Penalty Assessment Tracking DV-2021-0115 Sanitary Sewer Overflow —1902 Randolph Road — March 2021 Collection System Permit #WQCS00037 City of Shelby, Cleveland County Dear Mr. Basinger: The City of Shelby received the above referenced Notice of Violation and Assessment of Civil Penalty regarding the sanitary sewer overflow that occurred on March 25, 2021 at 1902 Randolph Road. The spill was reported by City of Shelby personnel at 6:48 pm on March 25, 2021, sewer crews responded and were to the scene by 7:00 pm on March 25, 2021 and the problem was corrected at 6:30 am on March 26, 2021. This spill resulted in an overflow of 2,400 gallons, of which 2,400 gallons reached Brushy Creek. This spill event stemmed from a torrential rainfall event that dumped 3.5" + of precipitation on portions of Shelby, resulting in localized flooding of ditches and streams. Based on rainfall data collected the average monthly rainfall total for the month of March is 4.7 inches. March of 2021 total for rainfall was 6.7 inches which has been the wettest month since 2011. The system in this area (gravity/liftstation) was installed and operated by the Doran Mill until the City of Shelby took over the lines and station in 1999. When the system was installed, the Mill had their own treatment system and private surface discharge. In the mill era, mills would also connect some non - sewer drainage to the sewer system. This portion of that system is made up of around 7,162 feet of line and 35 manholes and the Randolph Road Liftstation. There are 23 customers that contribute to this portion of the sewer system. The largest contributors are the two old mills in the area. One of the mills is approximately 300,000 square feet (Mostly 2-story) and the other is approximately 155,000 square feet. The other contributors are eighteen (18) homes, two (2) businesses, and one (1) Church. After the City took the system over in 1999, the City had issues with three overflows during 2004 & 2005. The City responded by removing a large portion of the gravity system where old mill houses had been demolished. This helped to correct the station overflows. In fact, the City saw a period of 10 years where we did not have a spill at the Randolph Liftstation. www.cityofshelby.com In 2013 the Randolph Road Liftstation was upgraded with new pumps and electrical. The lift station is rated to pump at a rate of 130 to 140 gallons per minute. In 2020, the City encountered another spill that triggered additional evaluation of I&I into the City's sewer system. Smoke testing was completed, and crews identified and completed several point repairs on several old service connections that had been previously repaired but were allowing infiltration. A significant amount of the inflow and infiltration has been traced to the old Mill that is deteriorating and is currently only being used for limited warehousing. The City conducted smoke testing around the mill and found that the Mill's owners had connected roof drains to the sanitary sewer system. The City has met with the owners on a couple of occasions to discuss the findings and also coordinated efforts to inspect the interior of the building while smoke testing again. This resulted in finding some internal problems that were allowing stormwater to enter the sewer system. In response to these findings, the owner removed the gutter discharges from the sewer. This has helped some of the inflow to the system; however visits during recent rain events have determined that stormwater is still entering the system and is not completely resolved. The City and owners are continuing to work together remove the I&I contributions. The summary the City has conducted the following preventative maintenance activities to help combat the I&I coming into this station: Preventative Maintenance/Corrective Action Projects • Randolph Road Sewer Capacity Study - 2000 • Abandoned unused sewer lines at the Mills — Early 2000's • Randolph Road Lift Station Upgrade — 2013 o Upgrade of the existing pumps and electrical at the station. • Upstream I&I Manhole Repairs — 2020 o Repaired a hole in an invert that was causing I&I. o Removed and plugged old service tap that was causing I&I. • Smoke Testing of sanitary sewer system — 2012, 2015, 2020, 2021 • Repair of sewer lines/laterals from smoke test results —2012, 2015, 2020, 2021 o Replaced a portion of 8" sewer line due to hole in the pipe. • Westside Sewer Evaluation — 2021 (Just completed) o Long Term Planning document that would potentially combine three lift stations in this area into one Liftstation. • Upstream Manhole Inspections - Routine • Removal of Stormwater connections at the Mills (Property Owner) o Continuing to work with the mills to find other sources of I&I. Maintenance history — The City has performed periodic cleaning and evaluation upstream and downstream of the overflow point. The overall condition of these lines is good. The Liftstation was upgraded in 2013 and is inspected weekly. Both pumps are in good condition and operational. Your letter lists ten areas of review in consideration for determining civil penalty amounts for a sanitary sewer overflow. We have included the following brief responses for each item: • Volume — 2,400 gallons www.cityofshelby.com • Volume reaching surface waters — 2,400 gallons • Duration and gravity — 600 minutes • Impacts to public health - There were no identified impacts to public health. • Fish kills - No fish kills were observed following this overflow. • Recreational area closures - No recreational areas were closed due to this overflow. • History of spills — There have been six (6) spills at this location since 2004. June 16, 2004 September 7, 2004 August 19, 2010 February 6, 2020 October 7, 2005 March 25, 2021 • Cost of rectifying damage — No environmental damage was identified requiring remediation. City staff performed cleanup and lime application. • Intentional spill — These overflows were not intentional and were a result of heavy rainfall and l&I within a short period of time resulting in flash flooding of roads, ditches, and creeks. Over three and a half inches of rain fell in parts of Shelby in a short amount of time. • Money saved by non-compliance — No money was saved by this non-compliance. In summary, the City crews performed evaluations and repairs within the Randolph Liftstation Basin to address inflow and infiltration issues. At this point, we are continuing to focus on working with the mill owner to remove stormwater (I&I) contributions from the mill. We have made strides by having the owner redirect roof drains and storm water sumps. As a long-term option, the City has recently completed an evaluation of the western sections of the sewer system within this area of Polkville/Randolph Roads. This evaluation provided service alternatives and costs that would involve combining multiple liftstations into one new liftstation south of Randolph Road. It is the City's intention to add this project to the City's prioritized Capital Improvement Program; however, this is being viewed as a long-term project for the City. As we have discussed the City has made significant progress to address this basin since taking over the system in this area in 1999. There were three spills in the early 2000's, one in 2010 and two between February 2020 and March 2021. In all of these cases the City has continued to evaluate the area, make repairs, upgrade the station and work with the mill owners. We recognize the requirements of our wastewater collection system permit and the importance to the environment and public health in the prevention of sanitary sewer overflows. The City of Shelby has experienced a downward trend of sanitary sewer overflows in our system and the City has shown a good faith effort to make significant improvements to the City's sewer collection system and Wastewater Treatment Plant. The City estimates that we have spent nearly $35 million in upgrades to the WWTP and another $12-15 million in improvements to the City's collection system in the last 10 years. While this location is important, we ask NCDEQ to consider that we are attempting to make necessary repairs across a 200+ mile collection system. The City is proud of the improvements that we continue to make www.cityofshelby.com and requests that NCDEQ recognize the efforts that have been made and hereby requests the remission of the civil penalty assessment. Please contact me at anytime regarding any further information or questions you might have regarding this issue. I can be reached at 704-669-6570 or david.hux@cityofshelbv.com. Sincerely, , IA, Hvy)( David Hux Director of Water Resources cc: Rick Howell; City Manager Adam Howell; Collection System Crew Supervisor/ORC Brad Greene; Plant Operations Superintendent www.cityofshelby.com Sewer Rehabilitation Projects Water Resources O E 0 11 3 a Ln 0 O 0 LL 0 a 0 00 L. LL O 0 d' N t/0 V? 0 O O O N t/0 t/? 0 O O t/? t/? O O O O 0 t/? t/? O 0 ct t/? t/? O O O U1 M '-t t/0 in O Lfi N 1D t/? O O O N N 0 to t/0 O m t/? t/0 O O Ln 1n N tn. t/0 0 O O c a E 0) c c a) a' L E as E c a CT3 a.'u u E v a CO C a O a u 0.c a m >' C C C O. C a m a a o 2 0 bA.0 \.c N E m c C 00 2 '..ti 2 vs LL 0 m 0 m VI I.L. 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