Alcester, City of

NPDES permit SD0021695 · Minor POTW · effective, expires 2031-06-30 · 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.

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

0values over a limit
0required values missing, on 0 form(s)
1of 12 forms filed late

Last period with anything received: 2026-07-31.

Reporting

Reports are due about 28 days after each monitoring period ends (read off this permit's own late-day counts in EPA's filings).

Limits in force (32)

OutfallParameterStatisticLimitMonths
001Temperature, water deg. fahrenheit30DA AVG report only all year
001Temperature, water deg. fahrenheitDAILY MX report only all year
001Flow rate30DA AVG report only all year
001Flow rateDAILY MX report only all year
001BOD, 5-day, 20 deg. C30DA AVG <= 30 mg/L all year
001BOD, 5-day, 20 deg. CMX 7D AV <= 45 mg/L all year
001BOD, 5-day, 20 deg. C30DA AVG report only all year
001pHDAILY MN >= 6 SU all year
001pHDAILY MX <= 9 SU all year
001Solids, total suspended30DA AVG <= 30 mg/L all year
001Solids, total suspendedMX 7D AV <= 45 mg/L all year
001Solids, total suspended30DA AVG report only all year
001Oil and grease, hexane extr methodDAILY MX <= 10 mg/L all year
001Nitrogen, total [as N]DAILY MX report only all year
001Nitrogen, ammonia total [as N]30DA AVG <= 8.4 mg/L Jan, Feb, Nov, Dec
001Nitrogen, ammonia total [as N]30DA AVG <= 5.7 mg/L Mar, Apr, May
001Nitrogen, ammonia total [as N]30DA AVG <= 3.1 mg/L Jun, Jul, Aug
001Nitrogen, ammonia total [as N]30DA AVG <= 6.2 mg/L Sep
001Nitrogen, ammonia total [as N]30DA AVG <= 6.4 mg/L Oct
001Nitrogen, ammonia total [as N]DAILY MX report only Jan, Feb, Nov, Dec
001Nitrogen, ammonia total [as N]DAILY MX report only Mar, Apr, May
001Nitrogen, ammonia total [as N]DAILY MX <= 14.7 mg/L Jun, Jul, Aug
001Nitrogen, ammonia total [as N]DAILY MX report only Sep
001Nitrogen, ammonia total [as N]DAILY MX report only Oct
001Phosphorus, total [as P]DAILY MX report only all year
001E. coli, colony forming units [CFU]30DA GEO <= 630 #/100mL May, Jun, Jul, Aug, Sep
001E. coli, colony forming units [CFU]DAILY MX <= 1178 #/100mL May, Jun, Jul, Aug, Sep
001Toxicity [acute], Ceriodaphnia dubiaDAILY MX < 1 tox acute all year
001Toxicity [acute], Pimephales promelas [Fathead Minnow]DAILY MX < 1 tox acute all year
001BOD, 5-day, percent removalMO AV MN >= 85 % all year
001Solids, suspended percent removalMO AV MN >= 85 % all year
001Oil and grease visualDAILY MX <= 0 abst=0;prst=1 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