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Home My WebLink AboutWQCS00042_Compliance Evaluation Inspection_20220303R.OY COOPER. Governor ELIZABETH S. BISER Secretary S. DANIEL SMITH Director City of Lexington Attn: Tom Johnson, Water Resources Director 28 W. Center Street Lexington, NC 27292-3099 NORTH CAROLINA Environmental Quality March 7, 2022 SUBJECT: Compliance Evaluation Inspection City of Lexington Collection System, WQCS00042 Davidson County Dear Mr. Johnson: Tricia Lowery, of the NC Division of Water Resources (DWR), Winston-Salem Regional Office (WSRO), visited the City of Lexington Collection System on March 3, 2022, to perform a Compliance Evaluation Inspection (CEI). The assistance and cooperation of Roger Jones (Public Services Manager), Michael Lookabill (ORC), David West (Water Utilities Supervisor), and Laura Vanhoy (Administration) was greatly appreciated. Details of the inspection are recorded on the attached EPA Water Compliance Inspection Report. You are reminded that, in accordance with NC General Statute 143-215.6A, failure to comply with all conditions of the permit subjects the City to civil penalties not to exceed $25,000.00 per violation, per day. If you have any questions or require further assistance, please contact Tricia Lowery by phone at 336-776- 9691, or by email at tricia.lowery@ncdenr.gov . You may also contact me by phone at 336-776-9700, or by email at lon.snider@ncdenr.gov. Sincerely, DocuSiiggned by:< t— l . ciA,ac - "- 145B49E225C94EA... Lon T. Snider, Regional Supervisor Water Quality Regional Operations Section Winston-Salem Regional Office Division of Water Resources, NCDEQ Attachments: 1. EPA Water Compliance Inspection Report cc: LaserFiche NORTH D E D.o.rtm.m .f Dnim.mo.t.i au.i` North Carolina Department of Environmental Quality Division of Water Resources Winston-Salem Regional Office 450 West Hanes Mill Road, Suite 300 I Winston-Salem, North Carolina 27105 336.776.9800 Compliance Inspection Report Permit: WQCS00042 Effective: 11/01/15 SOC: Effective: County: Davidson Region: Winston-Salem Contact Person: Tom Johnson Directions to Facility: System Classifications: CS3, Primary ORC: Michael Lee Lookabill Secondary ORC(s): Larry Everhart On -Site Representative(s): Related Permits: Expiration: 10/31/23 Expiration: Owner : City of Lexington Facility: Lexington Collection System 28 W Center St Title: Water Resources Director Certification: 1001669 1000352 NC0055786 City of Lexington - Lexington Regional WWTP Inspection Date: 03/03/2022 Primary Inspector: Patricia Lowery Secondary Inspector(s): Reason for Inspection: Routine Entry Time 10:OOAM Lexington NC 272923099 Exit Time: 01:OOPM Phone: Phone: 336-243-2489 336-248-3930 Phone: 336-776-9691 Inspection Type: Collection System Inspect Non Sampling Permit Inspection Type: Collection system management and operation Facility Status: Compliant ❑ Not Compliant Question Areas: ▪ Miscellaneous Questions II Capital Improvement Plan ▪ Inspections ▪ Lines (See attachment summary) ▪ General ▪ Map ▪ Spill Response Plan ▪ Manholes ▪ Sewer & FOG Ordinances ▪ Reporting Requirements ▪ Spills ▪ Pump Stations Page 1 of 11 Permit: WQCS00042 Owner - Facility: City of Lexington Inspection Date: 03/03/2022 Inspection Type : Collection System Inspect Non Sampling Reason for Visit: Routine Inspection Summary: Tricia Lowery of the NC Division of Water Resources, Winston-Salem Regional Office conducted a compliance evaluation inspection of City of Lexington wastewater collection system on March 3, 2022. Roger Jones (Public Service Manager), Michael Lookabill (Water Resources ORC), David West (Water Utilities Supervisor) and Laura Vanhoy (Administration) were present for the in -office records review. Michael Lookabill and David West assisted with field inspection. Results of the inspection are summarized in the following paragraphs: SECTION III, PERMIT PART I: PERFORMANCE STANDARDS Part I, Paragraph 2, requires the wastewater collection system shall be effectively managed, maintained and operated at all times. Observations: Overall the collection system is very well maintained, managed and operated. Compliance Status: Compliant Part I, Paragraph 3, the Permittee shall establish an effective sewer use ordinance (SUO). Observations: SUO is comprehensive and detailed. Pretreatment coordinator handles enforcement and implementation. Last PCI 4/4/2021 by WSRO Compliance Status: Compliant Part I, Paragraph 4, requires the Permittee shall develop and implement an educational fats, oils and grease program and an enforceable fats, oils and grease program for non-residential users. Observations: The city has two different customer groups: Davidson Water and City of Lexington. City of Lexington customers receive flyers annually (November) in utility bill. Davidson Water customers receive post cards annually. FOG education can also be found on City's website (www.lexingtonnc.gov/city-services/public-services/lexington-stormwater/sanitary-sewer-spills). Compliance Status: Compliant Part I, Paragraph 5, requires the Permittee shall adopt and implement a Capital Improvement Plan (CIP) to designate fundinc for reinvestment into the wastewater collection system infrastructure. Observations: CIP is detailed and comprehensive and extends to 2026. One project listed: Brown St. Force Main Project Compliance Status: Compliant Part I, Paragraph 6 requires there be no overflow or bypass structures within the system and if any are discovered that they be immediately eliminated. Observations: Inspector found no evidence in discover of overflow or bypass structures within the system. Compliance Status: Compliant Part I, Paragraph 7 requires the Permittee maintain a contingency plan for pump failure at each pump station. Observations: Comprehensive and detailed contingency plan. The plan (presented as flow chart) is posted at each pump station. Compliance Status: Compliant Part I, Paragraph 8 requires each pump station shall be clearly and conspicuously posted with a pump station identifier and an emergency contact telephone number at which an individual who can initiate or perform emergency service for the wastewater collection system 24 hours per day, seven days per week can be contacted. Observations: Pumps stations are accurately identified with appropriate information posted. Compliance Status: Compliant Part I, Paragraph 9 requires pump station sites, equipment and components shall have restricted access, as per 15A NCAC 02T .305(h)(4). Observations: Pump stations are secured with suitable fencing that restricts access to public. Compliance Status: Compliant Page 2 of 11 Permit: WQCS00042 Owner - Facility: City of Lexington Inspection Date: 03/03/2022 Inspection Type : Collection System Inspect Non Sampling Reason for Visit: Routine Part I, Paragraph 10 requires pump stations that do not employ an automatic polling feature (i.e. routine contact with pump stations from a central location to check operational status of the communication system) shall have both audible and visual high water alarms. Observations: All pump stations have audible and visual alarms. Compliance Status: Compliant Part I, Paragraph 11 requires that for all newly constructed, modified and rehabilitated pump stations, all equipment and components shall be sealed within a corrosion -resistant coating or encasement to the extent practicable and equivalent to the minimum design criteria unless the permittee can demonstrate it is not practicable or another form of corrosion resistance is employed. Observations: NA *no newly constructed/modified or rehabilitated pumps Compliance Status: NA SECTION IV, PERMIT PART II: OPERATION AND MAINTENANCE REQUIREMENTS Part II, Paragraph 1 requires the Permittee shall designate and employ a certified operator to be in responsible charge (ORC; and one or more certified operator(s) to be back-up ORC(s) of the facilities in accordance with 15A NCAC 8G .0201. The ORC shall visit the system within 24 hours of knowledge of a bypass, spill, or overflow of wastewater from the system, unless visited by the Back -Up ORC, and shall comply with all other conditions of 15A NCAC 8G .0204. Observations: The City has designated and employ appropriate ORC and BORC for collection system. Excellent documentation of response times with SSOs and other conditions. Compliance Status: Compliant Part II, Paragraph 2 requires the Permittee shall develop and adhere to a schedule for reviewing all inspection, maintenance, operational and complaint logs. Observations: All inspections, maintenance, operational and complaint logs are reviewed by Permittee and/or authorized personnel. Logs are reviewed monthly. Compliance Status: Compliant Part II, Paragraph 3 requires the Permittee shall develop and adhere to a schedule for testing emergency and standby equipment. Observations: Permittee has developed and implemented a testing schedule of emergency and standby equipment. Compliance Status: Compliant Part II, Paragraph 4 requires the Permittee shall develop and implement a routine pump station inspection and maintenance program, which shall include, but not be limited to, the following maintenance activities: a. Cleaning and removing debris from the pump station structure, outside perimeter, and wet well; b. Inspecting and exercising all valves; c. Inspecting and lubricating pumps and other mechanical equipment according to the manufacturer's recommendations; and d. Verifying the proper operation of the alarms, telemetry system and auxiliary equipment. Observations: Permittee performs and documents quarterly maintenance on all pump stations. Logbooks at each pump station reveals weekly inspection are conducted. Inspector reviewed all documentation and is satisfied permittee is conducting suitable inspections and maintenance. Compliance Status: Compliant Part II, Paragraph 5 requires for each pump station without pump reliability (i.e. simplex pump stations serving more than a single building or pump stations not capable of pumping at a rate of 2.5 times the average daily flow rate with the largest pump out of service), at least one fully operational spare pump capable of pumping peak flow shall be maintained on hand. Page 3 of 11 Permit: WQCS00042 Owner - Facility: City of Lexington Inspection Date: 03/03/2022 Inspection Type : Collection System Inspect Non Sampling Reason for Visit: Routine Observations: Only 6 simplex pumps in collection system. Spare pumps are capable of pumping at peak flow and on hand for use. Compliance Status: Compliant Part II, Paragraph 6 requires the Permittee shall maintain on hand at least two percent of the number of pumps installed, but no less than two pumps, that discharge to a pressure sewer and serve a single building, unless the Permittee has the ability to purchase and install a replacement pump within 24 hours of first knowledge of the simplex pump failure or within the storage capacity provided in any sewer line extension permit. Observations: Review of contingency pump plan reveals appropriate capabilities to counter simplex pump failure. Compliance Status: Compliant Part II, Paragraph 7 requires that rights -of -way and/or easements shall be properly maintained to allow accessibility to the wastewater collection system. Observations: Field inspection and review of documentation confirms this is properly maintained. Maintenance is contracted and done every month between July and November. Compliance Status: Compliant Part II, Paragraph 8 requires the Permittee assess cleaning needs, and develop and implement a program for appropriately cleaning at least 10 percent of the wastewater collection system each year. Observations: Review of documentation showed 122,762 linear feet were cleaned in 2021, satisfying 10% cleaning requirement. Collection system is 1,169,709 linear feet total. Compliance Status: Compliant Part II, Paragraph 9 requires adequate measures shall be taken to contain and properly dispose of materials associated with SSOs. The Permittee shall maintain a Response Action Plan that addresses the following minimum items: a. Contact phone numbers for 24-hour response, including weekends and holidays; b. Response time; c. Equipment list and spare parts inventory; d. Access to cleaning equipment; e. Access to construction crews, contractors and/or engineers; f. Source(s) of emergency funds; g. Site sanitation and clean up materials; and h. Post-SSO assessment. Observations: Response action plan is comprehensive and satisfactory. Compliance Status: Compliant Part II, Paragraph 10 requires the Permittee, or their authorized representative, shall conduct an on -site evaluation for all SSOs as soon as possible, but no more than two hours after first knowledge of the SSO. Observations: Documentation of SSO's in 2021 reveal all appropriate actions were taken. ORC and/or BORC conducted on -site evaluations of all SSOs in proper time. Compliance Status: Compliant Part II, Paragraph 11 requires the Permittee, in the event of an SSO or blockage within the wastewater collection system, to restore the system operation, remove visible solids and paper, sanitize any ground area and restore the surroundings. Observations: Documentation of SSO's in 2021 reveal all appropriate actions were taken. Compliance Status: Compliant SECTION V, PERMIT PART III: RECORDS Part III, Paragraph 1 requires that records be maintained to document compliance with Conditions I (4), 11(2) - II(4), 11(7) -11(8) IV(3) and V(1) -V(4). Records shall be kept on file for a minimum of three years. Page 4 of 11 Permit: WQCS00042 Owner - Facility: City of Lexington Inspection Date: 03/03/2022 Inspection Type : Collection System Inspect Non Sampling Reason for Visit: Routine Observations: Excellent, comprehensive and organized documentation of collection system is maintained and kept for 3 years. Compliance Status: Compliant Part III, Paragraph 2 requires the Permittee shall maintain adequate records pertaining to SSOs, and complaints for a minimum of three years. These records shall include, but are not limited to, the following information: a. Date of SSO or complaint; b. Volume of wastewater released as a result of the SSO and/or nature of complaint; c. Location of the SSO and/or complaint; d. Estimated duration of the SSO; e. Individual from the Division who was informed about the SSO and/or complaint, when applicable; f. Final destination of the SSO; g. Corrective actions; h. Known environmental/human health impacts resulting from the SSO; and i. How the SSO was discovered. Observations: Inspector observed adequate and appropriate records for all SSO, and complaints for 3 years. Compliance Status: Compliant Part III, Paragraph 3 requires the Permittee shall maintain an up-to-date, accurate, comprehensive map of its wastewater collection system. The comprehensive map shall include, but is not limited to: pipe size, pipe material, pipe location, flow direction, approximate pipe age, number of active service taps, and each pump station identification, location and capacity. Observations: Maps contain all relevant information. City has also implemented GIS and keeps information current. Compliance Status: Compliant Part III, Paragraph 4 requires the Permittee shall maintain records of all of the modifications and extensions to the collection system permitted herein. The Permittee shall maintain a copy of the construction record drawings and specifications for modifications/extensions to the wastewater collection system for the life of the modification/extension. Information concerning the extension shall be incorporated into the map of the wastewater collection system within one year of the completion of construction. The system description contained within this permit shall be updated to include this modification/extension information upon permit renewal. Observations: Records are in order. Compliance Status: Compliant SECTION VI, PERMIT PART IV: MONITORING AND REPORTING REQUIREMENTS Part IV, Paragraph 1 requires any monitoring (including, but not necessarily limited to, wastewater flow, groundwater, surface water, soil or plant tissue analyses) deemed necessary by the Division to ensure surface water and groundwater protection will be established, and an acceptable sampling and reporting schedule shall be followed. Observations: All monitoring is conducted and documented. Satisfactory. Compliance Status: Compliant Part IV, Paragraph 2 requires the Permittee shall verbally report to a Division of Water Resources staff member at the Winston-Salem Regional Office as soon as possible but in no case more than 24 hours following the occurrence or first knowledge of the occurrence of either of the following: a. Any SSO and/or spill over 1,000 gallons; or b. Any SSO and/or spill, regardless of volume, that reaches surface water. Observations: All SSOs are handles appropriately. Page 5 of 11 Permit: WQCS00042 Owner - Facility: City of Lexington Inspection Date: 03/03/2022 Inspection Type : Collection System Inspect Non Sampling Reason for Visit: Routine Compliance Status: Compliant Part IV, Paragraph 3 requires the Permittee shall meet the annual reporting and notification requirements provided in North Carolina General Statute §143-215.1 C. Observations: Annual reports are conducted and documented. Posted on City's website. Compliance Status: Compliant SECTION VII, PERMIT PART V: INSPECTIONS Part V, Paragraph 1 requires the Permittee shall inspect the wastewater collection system regularly to reduce the risk of malfunctions and deterioration, operator errors, and other issues that may cause or lead to the release of wastes to the environment, threaten human health or create nuisance conditions. The Permittee shall keep an inspection log or summary including, at a minimum, the date and time of inspection, observations made, and any maintenance, repairs, or corrective actions taken by the Permittee. Observations: Review of documentation reveals collection system is inspected regularly and properly. Excellent records kept. Compliance Status: Compliant Part V, Paragraph 2 requires that pump stations without Supervisory Control and Data Acquisition (SCADA) systems or telemetry Page 6 of 11 Permit: WQCS00042 Owner - Facility: City of Lexington Inspection Date: 03/03/2022 Inspection Type : Collection System Inspect Non Sampling Reason for Visit: Routine General Yes No NA NE Is there a properly designated primary ORC and at least one back-up of proper grade? • ❑ ❑ ❑ Are logs being reviewed by the system management or owner on a regular basis? • ❑ ❑ ❑ # What is that frequency? Monthly # Are there any issues being addressed currently or any in the planning stages? ❑ • ❑ ❑ Is there a specific pump failure plan available for all pump stations? • ❑ ❑ ❑ Does plan indicate if pump parts/new pumps are in spare parts/equipment inventory? • ❑ ❑ ❑ Are new/significantly upgraded pump stations equipped with anti -corrosion materials? ❑ ❑ • ❑ Does the permittee have a copy of their permit? • ❑ ❑ ❑ # Is permit expiring within the next 6 months? ❑ • ❑ ❑ If Yes, has the Permittee applied for renewal? ❑ ❑ • ❑ Comment: Permit expires 10/31/2023. They will start procedures to renew in April 2023. Pump contingency failure plans are posted at each pump station. It is detailed and comprehensive. Sewer and FOG Ordinances Is Sewer Use Ordinance (SUO) or other Legal Authority available? Does it appear that the Sewer Use Ordinance is enforced? Is there a Grease Control Program that legally requires grease control devices? What is the standard grease trap cleaning requirement in the FOG ordinance? Is Grease Control Program enforced via periodic inspections/records review? Is action taken against violators? # Have satellite systems adopted an equivalent or more stringent ordinance? Is grease/sewer education program documented with req'd customer distribution? # Are other types of education tools used like websites, booths, special meetings, etc? If Yes, what are they? (This can reduce mailing to annual.) The city has two different customer groups: Davidson Water and City of Lexington. City of Lexington customers receive flyers annually (November) in utility bill. Davidson Water customers receive post cards annually. FOG education can also be found on City's website (www.lexingtonnc.gov/city-services/public-services/lexington-stormwater/sanitary-sewer-spills). Comment: City of Lexington has a pretreatment coordinator and program. This program is inspected by WSRO. Last PCI was conducted 4/14/21. PCI reviews SUO, SUO enforcement, and FOG inspections/grease trap. ORC did state the grease trap cleaning requirements were dependant on mg/I input into system (HWA). Collection system has copy of SUO in their documentation. Yes No NA NE • ❑ ❑ ❑ • ❑ ❑ ❑• NE *See PCI from 4/14/2021 Capital Improvement Plan Has a Capital (CIP) or System Improvement Plan been developed and adopted? Is it designated for wastewater only or does it have a dedicated section? Does CIP cover three to five year period of earmarked improvements? ❑ ❑ ❑ • ❑ ❑ ❑ • ❑ ❑ • ❑ • ❑ ❑ ❑ • ❑ ❑ ❑ Yes No NA NE • ❑ ❑ ❑ • ❑ ❑ ❑ Page 7 of 11 Permit: WQCS00042 Owner - Facility: City of Lexington Inspection Date: 03/03/2022 Inspection Type : Collection System Inspect Non Sampling Reason for Visit: Routine Does CIP include description of project area? Does CIP include description of existing facilities? Does CIP include known deficiencies? Does CIP include forecasted future needs? • ❑ ❑ ❑ • ❑ ❑ ❑ • ❑ ❑ ❑ • ❑ ❑ ❑ Comment: CIP is detailed and comprehensive and extends to 2026. One project listed: Brown St. Force Main Project Map Is there a overall sewer system map? Does the map include: Pipe Type (GS/FM) Pipe sizes Pipe materials (PVC, DIP, etc) Pipe location Flow direction Approximate pipe age Pump station ID, location and capacity # Force main air release valve location & type # Location of satellite connections Is the map being updated for changes/additions within 1 year of activation? Yes No NA NE ❑ ❑ ❑ ❑ • ❑ ❑ ❑ • ❑ ❑ ❑ • ❑ ❑ ❑ • ❑ ❑ ❑ • ❑ ❑ ❑ • ❑ ❑ ❑ • ❑ ❑ ❑ • ❑ ❑ ❑ ❑ ❑ • ❑ • ❑ ❑ ❑ Comment: Maps contain all relevant information. City has also implemented GIS and keeps information current. Reporting Requirements # Have there been any sewer spills in the past 3 years? If Yes, were they reported to the Division if meeting the reportable criteria? If applicable, is there documentation of press releases and public notices issued? Is an Annual Wastewater Performance Report being filed with the Division, if required? Is the report being made available to all its sewer customers? # How is it being made available? Yes No NA NE • ❑ ❑ ❑ • ❑ ❑ ❑ ❑ ❑ • ❑ • ❑ ❑ ❑ • ❑ ❑ ❑ City website Comment: There were a total of eight (8) SSO's in 2021. All spills were <1000 gallons. Three of the eight spills did not reach surface water. City has properly documented all SSOs. Inspections Are adequate maintenance records maintained? Are pump stations being inspected at the required frequency? # Is at least one complete functionality test conducted weekly per pump station? Is there a system or plan in place to observe the entire system annually? Is the annual inspection documented? # Does the system have any high -priority lines/locations? Yes No NA NE • ❑ ❑ ❑ • ❑ ❑ ❑ • ❑ ❑ ❑ • ❑ ❑ ❑ • ❑ ❑ ❑ Page 8 of 11 Permit: WQCS00042 Owner - Facility: City of Lexington Inspection Date: 03/03/2022 Inspection Type : Collection System Inspect Non Sampling Reason for Visit: Routine Are inspections of HPL documented at least every 6 months? • ❑ ❑ ❑ Are new lines being added to the HPL list when found or created? • ❑ ❑ ❑ Comment: Pumps stations, HPLs and annual inspections are conducted at appropriate times with proper documentation. Last annual inspection: 1/26/2022 Spill Response Action Plan Yes No NA NE Is a Spill Response Action Plan available? • ❑ ❑ ❑ Is a Spill Response Action Plan available for all personnel? • ❑ ❑ ❑ Does the plan include: 24-hour contact numbers • ❑ ❑ ❑ Response time • ❑ ❑ ❑ Equipment list and spare parts inventory • ❑ ❑ ❑ Access to cleaning equipment • ❑ ❑ ❑ Access to construction crews, contractors, and/or engineers • ❑ ❑ ❑ Source of emergency funds • ❑ ❑ ❑ Site sanitation and cleanup materials • ❑ ❑ ❑ Post-overflow/spill assessment • ❑ ❑ ❑ Does the Permittee appear to respond within 2 hours of first knowledge of a spill? • ❑ ❑ ❑ Comment: City has sufficient spill response plan. Spills Yes No NA NE Is system free of known points of bypass? • ❑ ❑ ❑ If No, describe type of bypass and location Are all spills or sewer related issues/complaints documented? • ❑ ❑ ❑ # Are there repeated overflows/problems (2 or more in 12 months) at same location? ❑ • ❑ ❑ # If Yes, is there a corrective action plan? El El El El Comment: Reviewing the 8 SSO's in 2021, inspector did not identify a pattern of overflows to one particular area. Lines/Right-of-Ways/Aerial Lines Please list the Lines/Right of Ways/Aerial Lines Inspected: 1. Cotton Grove (8") 2. Glosson Properties (8") There are 15 HPL's in Lexington Collection System. Are right-of-ways/easements maintained for full width for access by staff/equipment? If No, give details on temporary access: Is maintenance documented? Are gravity sewer cleaning records available? Has at least 10% of lines older than 5 yrs been cleaned annually? Were all areas/lines inspected free of issues? Yes No NA NE • ❑ ❑ ❑ • ❑ ❑ ❑ Page 9 of 11 Permit: WQCS00042 Owner - Facility: City of Lexington Inspection Date: 03/03/2022 Inspection Type : Collection System Inspect Non Sampling Reason for Visit: Routine Comment: Collection system total = 1,169,709 LF Jetted/cleaned = 122,792 LF (10% goal completed) All areas cleaned are documented and marked on mapping system. Smoke testing was conducted —15x in 2021. This was to investigate potential areas of I&I, storm drain issues, and customer complaints. City keeps log of all customer compliants. Manholes Please list the Manholes Inspected: #2985 and #2986 Are manholes accessible? # Are manhole covers/vents above grade? Are manholes free of visible signs of overflow? Are manholes free of sinkholes and depressions? Are manhole covers present? # Are manholes properly seated? # Are manholes in good condition? # Are inverts in good condition? Is flow unrestricted in manholes? Are manholes free of excessive amounts of grease? Are manholes free of excessive roots? Are manholes free of excessive sand? Are manhole vents screened? Are vents free of submergence? Are manholes free of bypass structures or pipes? Comment: None Pump Stations Please list the Pump Stations Inspected: 1. Domino Drive (simplex): 111 Domino Drive *no telemetry - inspected daily 2. Lexington Business Complex (duplex): 100 Lexington Pkwy *MISSIONS system - inspected weekly 3. New Bowers (duplex): 2212 New Bowers Rd. *MISSIONS system - inspected weekly # Number of duplex or larger pump stations in system # Number of vacuum stations in system # Number of simplex pump stations in system # Number of simplex pump stations in system serving more than one building How many pump/vacuum stations have: # A two-way "auto polling" communication system (SCADA) installed? # A simple one-way telemetry/communication system (auto -dialer) installed? For pump stations inspected: Are they secure with restricted access? Were they free of by-pass structures/pipes? Yes No NA NE • ❑ ❑ ❑ • ❑ ❑ ❑ • ❑ ❑ ❑ • ❑ ❑ ❑ • ❑ ❑ ❑ • ❑ ❑ ❑ • ❑ ❑ ❑ • ❑ ❑ ❑ • ❑ ❑ ❑ • ❑ ❑ ❑ • ❑ ❑ ❑ • ❑ ❑ ❑ • ❑ ❑ ❑ • ❑ ❑ ❑ • ❑ ❑ ❑ Yes No NA NE 32 0 6 0 0 38 • ❑ ❑ ❑ Page 10 of 11 Permit: WQCS00042 Owner - Facility: City of Lexington Inspection Date: 03/03/2022 Inspection Type : Collection System Inspect Non Sampling Reason for Visit: Routine Were wet wells free of excessive grease/debris? # Do they all have telemetry installed? Is the communication system functional? Is a 24-hour notification sign posted ? Does the sign include: Owner Name? Pump station identifier? # Address? Instructions for notification? 24-hour emergency contact numbers? Are audio and visual alarms present? Are audio and visual alarms operable? # Is there a backup generator or bypass pump connected? If tested during inspection, did it function properly? Is the back-up system tested at least bi-annually under normal operating conditions? # Does it have a dedicated connection for a portable generator? # Is the owner relying on portable units in the event of a power outage? # If Yes, is there a distribution plan? If Yes, what resources (Units/Staff/Vehicles/etc) are included in Plan? Most pumps stations have permanent generators that are tested monthly with proper documentation. Simplex pumps have portable connections for generators. Instructions for backup generators are clearly posted in pump contingency plan. # Does Permittee have the approved percentage of replacement simplex pumps? Is recordkeeping of pump station inspection and maintenance program adequate? Do pump station logs include at a minimum: Inside and outside cleaning and debris removal? Inspecting and exercising all valves? Inspecting and lubricating pumps and other equipment? Inspecting alarms, telemetry and auxiliary equipment? • ❑ ❑ ❑ • ❑ ❑ ❑ • ❑ ❑ ❑ • ❑ ❑ ❑ • ❑ ❑ ❑ • ❑ ❑ ❑ • ❑ ❑ ❑ • ❑ ❑ ❑ • ❑ ❑ ❑ • ❑ ❑ ❑ • ❑ ❑ ❑ • ❑ ❑ ❑ ❑ ❑ ❑ • • ❑ ❑ ❑ • ❑ ❑ ❑ • ❑ ❑ ❑ • ❑ ❑ ❑ • ❑ ❑ ❑ • ❑ ❑ ❑ • ❑ ❑ ❑ • ❑ ❑ ❑ • ❑ ❑ ❑ Comment: Pump Station maintenance is perfomed quarterly and inspected weekly (duplex systems) with proper documentation. City is currently in the process of switching all pump stations with telemetry to MISSIONS system. Simplex pumps without telemetry are inspected daily and will soon be updated to the MISSIONS system. Page 11 of 11