YORK CITY OF

NPDES permit SC0038156 · Major POTW · administratively continued, expires 2026-06-30 · EPA's file as of 2026-09-19

Check this month's numbers before you file
Watch this permit — $79 a month. Every Monday, from EPA's newest files: the next report due and when, whether EPA's file holds your last one, any change to this permit's limits or status, and the renewal date.

This permit expired on 2026-06-30 and is administratively continued: its last limits keep applying until a new permit is issued, and EPA still expects the reports.

EPA's record, 2025-09-01 to 2026-08-31

4values over a limit
0required values missing, on 0 form(s)
0of 30 forms filed late

Last period with anything received: 2026-07-31. Most often over: E. coli (2), BOD, 5-day, 20 deg. C (2).

Reporting

Reports are due about 29 days after each monitoring period ends (the most common figure among SC permits in EPA's filings — check your permit).

Limits in force (109)

OutfallParameterStatisticLimitMonths
001Oxygen demand, ultimateMO AVG <= 1407 lb/d all year
001Oxygen demand, ultimateMO AVG <= 1102 lb/d all year
001Oxygen demand, ultimateWKLY AVG <= 2111 lb/d all year
001Oxygen demand, ultimateWKLY AVG <= 1653 lb/d all year
001Oxygen, dissolved [DO]MINIMUM >= 6 mg/L all year
001Oxygen, dissolved [DO]MINIMUM >= 6 mg/L all year
001BOD, 5-day, 20 deg. CMO AVG <= 23 mg/L all year
001BOD, 5-day, 20 deg. CMO AVG <= 22 mg/L all year
001BOD, 5-day, 20 deg. CWKLY AVG <= 35 mg/L all year
001BOD, 5-day, 20 deg. CWKLY AVG <= 33 mg/L all year
001BOD, 5-day, 20 deg. CMO AVG <= 575 lb/d all year
001BOD, 5-day, 20 deg. CMO AVG <= 734 lb/d all year
001BOD, 5-day, 20 deg. CWKLY AVG <= 876 lb/d all year
001BOD, 5-day, 20 deg. CWKLY AVG <= 1101 lb/d all year
001pHMINIMUM >= 6 SU all year
001pHMINIMUM >= 6 SU all year
001pHMAXIMUM <= 8.5 SU all year
001pHMAXIMUM <= 85 SU all year
001Solids, total suspendedMO AVG <= 30 mg/L all year
001Solids, total suspendedMO AVG <= 30 mg/L all year
001Solids, total suspendedWKLY AVG <= 45 mg/L all year
001Solids, total suspendedWKLY AVG <= 45 mg/L all year
001Solids, total suspendedMO AVG <= 1001 lb/d all year
001Solids, total suspendedMO AVG <= 751 lb/d all year
001Solids, total suspendedWKLY AVG <= 1502 lb/d all year
001Solids, total suspendedWKLY AVG <= 1127 lb/d all year
001Nitrogen, total [as N]MO AVG report only all year
001Nitrogen, total [as N]MO AVG report only all year
001Nitrogen, total [as N]WKLY AVG report only all year
001Nitrogen, total [as N]WKLY AVG report only all year
001Nitrogen, total [as N]MO AVG report only all year
001Nitrogen, total [as N]MO AVG report only all year
001Nitrogen, total [as N]WKLY AVG report only all year
001Nitrogen, total [as N]WKLY AVG report only all year
001Nitrogen, ammonia total [as N]MO AVG <= 4.79 mg/L Jan, Feb, Nov, Dec
001Nitrogen, ammonia total [as N]MO AVG <= 2.47 mg/L Mar, Apr, May, Jun, Jul, Aug, Sep, Oct
001Nitrogen, ammonia total [as N]MO AVG <= 2.4 mg/L Mar, Apr, May, Jun, Jul, Aug, Sep, Oct
001Nitrogen, ammonia total [as N]MO AVG <= 4.93 mg/L Jan, Feb, Nov, Dec
001Nitrogen, ammonia total [as N]WKLY AVG <= 7.18 mg/L Jan, Feb, Nov, Dec
001Nitrogen, ammonia total [as N]WKLY AVG <= 3.71 mg/L Mar, Apr, May, Jun, Jul, Aug, Sep, Oct
001Nitrogen, ammonia total [as N]WKLY AVG <= 3.6 mg/L Mar, Apr, May, Jun, Jul, Aug, Sep, Oct
001Nitrogen, ammonia total [as N]WKLY AVG <= 7.39 mg/L Jan, Feb, Nov, Dec
001Nitrogen, ammonia total [as N]MO AVG <= 160 lb/d Jan, Feb, Nov, Dec
001Nitrogen, ammonia total [as N]MO AVG <= 87 lb/d Mar, Apr, May, Jun, Jul, Aug, Sep, Oct
001Nitrogen, ammonia total [as N]MO AVG <= 80 lb/d Mar, Apr, May, Jun, Jul, Aug, Sep, Oct
001Nitrogen, ammonia total [as N]MO AVG <= 148 lb/d Jan, Feb, Nov, Dec
001Nitrogen, ammonia total [as N]WKLY AVG <= 240 lb/d Jan, Feb, Nov, Dec
001Nitrogen, ammonia total [as N]WKLY AVG <= 131 lb/d Mar, Apr, May, Jun, Jul, Aug, Sep, Oct
001Nitrogen, ammonia total [as N]WKLY AVG <= 120 lb/d Mar, Apr, May, Jun, Jul, Aug, Sep, Oct
001Nitrogen, ammonia total [as N]WKLY AVG <= 222 lb/d Jan, Feb, Nov, Dec
001Phosphorus, total [as P]MO AVG <= 2 mg/L all year
001Phosphorus, total [as P]MO AVG <= 2 mg/L all year
001Phosphorus, total [as P]WKLY AVG report only all year
001Phosphorus, total [as P]MO AVG <= 2002 lb/d all year
001Phosphorus, total [as P]MO AVG <= 2002 lb/d all year
001Phosphorus, total [as P]MO AVG <= 6205 lb/d all year
001Phosphorus, total [as P]MO AVG <= 6205 lb/d all year
001Cyanide, total [as CN]MO AVG <= .006 mg/L all year
001Cyanide, total [as CN]MO AVG <= .006 mg/L all year
001Cyanide, total [as CN]DAILY MX <= .025 mg/L all year
001Cyanide, total [as CN]DAILY MX <= .024 mg/L all year
001Cyanide, total [as CN]MO AVG <= .15 lb/d all year
001Cyanide, total [as CN]MO AVG <= .2 lb/d all year
001Cyanide, total [as CN]DAILY MX <= .63 lb/d all year
001Cyanide, total [as CN]DAILY MX <= .8 lb/d all year
001Cadmium, total [as Cd]MO AVG <= .0004 mg/L all year
001Cadmium, total [as Cd]MO AVG <= .0004 mg/L all year
001Cadmium, total [as Cd]DAILY MX <= .0022 mg/L all year
001Cadmium, total [as Cd]DAILY MX <= .0021 mg/L all year
001Cadmium, total [as Cd]MO AVG <= .01 lb/d all year
001Cadmium, total [as Cd]MO AVG <= .013 lb/d all year
001Cadmium, total [as Cd]DAILY MX <= .055 lb/d all year
001Cadmium, total [as Cd]DAILY MX <= .07 lb/d all year
001Copper, total [as Cu]MO AVG <= .011 mg/L all year
001Copper, total [as Cu]MO AVG <= .011 mg/L all year
001Copper, total [as Cu]DAILY MX <= .014 mg/L all year
001Copper, total [as Cu]DAILY MX <= .014 mg/L all year
001Copper, total [as Cu]MO AVG <= .28 lb/d all year
001Copper, total [as Cu]MO AVG <= .37 lb/d all year
001Copper, total [as Cu]DAILY MX <= .35 lb/d all year
001Copper, total [as Cu]DAILY MX <= .47 lb/d all year
001Flow, in conduit or thru treatment plantMO AVG report only all year
001Flow, in conduit or thru treatment plantMO AVG report only all year
001Flow, in conduit or thru treatment plantWKLY AVG report only all year
001Flow, in conduit or thru treatment plantWKLY AVG report only all year
001Chlorine, total residualMO AVG <= .012 mg/L all year
001Chlorine, total residualMO AVG <= .012 mg/L all year
001Chlorine, total residualDAILY MX <= .022 mg/L all year
001Chlorine, total residualWKLY AVG <= .021 mg/L all year
001Chlorine, total residualMO AVG <= .3 lb/d all year
001Chlorine, total residualMO AVG <= .4 lb/d all year
001Chlorine, total residualDAILY MX <= .55 lb/d all year
001Chlorine, total residualDAILY MX <= .7 lb/d all year
001E. coli30DAVGEO <= 126 MPN/100mL all year
001E. coli30DAVGEO <= 126 MPN/100mL all year
001E. coliDAILY MX <= 349 MPN/100mL all year
001E. coliDAILY MX <= 349 MPN/100mL all year
001E. coli30DAVGEO <= 126 MPN/100mL all year
001E. coli30DAVGEO <= 126 MPN/100mL all year
001E. coliDAILY MX <= 800 MPN/100mL all year
001E. coliDAILY MX <= 800 MPN/100mL all year
001BOD, 5-day, percent removalMO AV MN >= 85 % all year
001BOD, 5-day, percent removalMO AV MN >= 85 % all year
001Solids, suspended percent removalMO AV MN >= 85 % all year
001Solids, suspended percent removalMO AV MN >= 85 % all year
001%Effect Static Renewal 7 Day Chronic Ceriodaphnia dubiaMO AVG <= 25 % all year
001%Effect Static Renewal 7 Day Chronic Ceriodaphnia dubiaMO AVG <= 25 % all year
001%Effect Static Renewal 7 Day Chronic Ceriodaphnia dubiaDAILY MX <= 40 % all year
001%Effect Static Renewal 7 Day Chronic Ceriodaphnia dubiaDAILY MX <= 40 % all year

Built from EPA's ECHO bulk files. EPA's file, not the permit document, is the source: read your permit. Check a report before you file it · All states