Amherst Town

NPDES permit VA0031321 · Minor POTW · effective, expires 2029-11-30 · 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

9values over a limit
12required values missing, on 2 form(s)
1of 18 forms filed late

Last period with anything received: 2026-07-31. Most often over: Nitrogen, ammonia total [as N] (5), BOD, 5-day, 20 deg. C (1), Phosphorus, Total As P (1).

Reporting

Reports are due about 10 days after each monitoring period ends (read off this permit's own late-day counts in EPA's filings).

Limits in force (43)

OutfallParameterStatisticLimitMonths
001BOD, 5-day, 20 deg. CMO AVG <= 7.4 mg/L all year
001BOD, 5-day, 20 deg. CMO AVG <= 7.4 mg/L all year
001BOD, 5-day, 20 deg. CMX WK AV <= 11.1 mg/L all year
001BOD, 5-day, 20 deg. CMX WK AV <= 11.1 mg/L all year
001BOD, 5-day, 20 deg. CMO AVG <= 16.8 kg/d all year
001BOD, 5-day, 20 deg. CMO AVG <= 16.8 kg/d all year
001BOD, 5-day, 20 deg. CMX WK AV <= 25.2 kg/d all year
001BOD, 5-day, 20 deg. CMX WK AV <= 25.2 kg/d all year
001BOD, 5-day, 20 deg. CMO AVG report only all year
001BOD, 5-day, 20 deg. CMO AVG report only all year
001BOD, 5-day, 20 deg. CWKLY AVG report only all year
001BOD, 5-day, 20 deg. CWKLY AVG report only all year
001pHINST MIN >= 6 SU all year
001pHINST MAX <= 9 SU all year
001Solids, total suspendedMO AVG <= 30 mg/L all year
001Solids, total suspendedMO AVG <= 30 mg/L all year
001Solids, total suspendedMX WK AV <= 45 mg/L all year
001Solids, total suspendedMX WK AV <= 45 mg/L all year
001Solids, total suspendedMO AVG <= 68.1 kg/d all year
001Solids, total suspendedMO AVG <= 68.1 kg/d all year
001Solids, total suspendedMX WK AV <= 102.1 kg/d all year
001Solids, total suspendedMX WK AV <= 102.1 kg/d all year
001Solids, total suspendedMO AVG report only all year
001Solids, total suspendedMO AVG report only all year
001Solids, total suspendedWKLY AVG report only all year
001Solids, total suspendedWKLY AVG report only all year
001Nitrogen, ammonia total [as N]MO AVG <= 9.1 mg/L Jun, Jul, Aug, Sep, Oct, Nov
001Nitrogen, ammonia total [as N]MO AVG <= 6.6 mg/L Jan, Feb, Mar, Apr, May, Dec
001Nitrogen, ammonia total [as N]MX WK AV <= 9.1 mg/L Jun, Jul, Aug, Sep, Oct, Nov
001Nitrogen, ammonia total [as N]WKLY AVG <= 6.6 mg/L Jan, Feb, Mar, Apr, May, Dec
001Copper, dissolved [as Cu]MO AVG report only all year
001Copper, dissolved [as Cu]WKLY AVG report only all year
001Lead, dissolved [as Pb]MO AVG report only all year
001Lead, dissolved [as Pb]WKLY AVG report only all year
001Zinc, dissolved [as Zn]MO AVG report only all year
001Zinc, dissolved [as Zn]WKLY AVG report only all year
001Flow, in conduit or thru treatment plantMO AVG <= .6 MGD (alert) all year
001Flow, in conduit or thru treatment plantDAILY MX report only (alert) all year
001BOD, percent removal [total]MO AV MN >= 85 % all year
001E. coliMO AVG <= 126 #/100mL all year
001Nitrogen, Total As NYA <= 8 lb/yr all year
001Phosphorus, Total As PYA <= 1 lb/yr all year
001Solids, suspended percent removalMO AV MN >= 85 % 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