Middletown Town

NPDES permit VA0020982 · Minor POTW · effective, expires 2026-09-30 · 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

7values over a limit
0required values missing, on 0 form(s)
0of 14 forms filed late

Last period with anything received: 2026-07-31. Most often over: BOD, carbonaceous [5 day, 20 C] (4), Nitrogen, ammonia total [as N] (3).

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 (24)

OutfallParameterStatisticLimitMonths
001Oxygen, dissolved [DO]MINIMUM >= 5.3 mg/L all year
001pHMINIMUM >= 6.5 SU all year
001pHMAXIMUM <= 9.5 SU all year
001Solids, total suspendedMO AVG <= 30 mg/L all year
001Solids, total suspendedMX WK AV <= 45 mg/L all year
001Solids, total suspendedMO AVG <= 45 kg/d all year
001Solids, total suspendedMX WK AV <= 68 kg/d all year
001Solids, total suspendedMO AVG report only all year
001Nitrogen, ammonia total [as N]MO AVG <= 4 mg/L Jan, Feb, Mar, Apr, May
001Nitrogen, ammonia total [as N]MO AVG <= 1.8 mg/L Jun, Jul, Aug, Sep, Oct, Nov, Dec
001Nitrogen, ammonia total [as N]MX WK AV <= 5.4 mg/L Jan, Feb, Mar, Apr, May
001Nitrogen, ammonia total [as N]MX WK AV <= 2.4 mg/L Jun, Jul, Aug, Sep, Oct, Nov, Dec
001Flow, in conduit or thru treatment plantMO AVG <= .4 MGD (alert) all year
001Flow, in conduit or thru treatment plantMAXIMUM report only (alert) all year
001E. coliMO GEOMN <= 126 #/100mL all year
001Nitrogen, Total As NMO AVG <= 8 mg/L all year
001Phosphorus, Total As PMO AVG <= 1 mg/L all year
001BOD, carbonaceous [5 day, 20 C]MO AVG <= 16 mg/L all year
001BOD, carbonaceous [5 day, 20 C]MX WK AV <= 24 mg/L all year
001BOD, carbonaceous [5 day, 20 C]MO AVG <= 24 kg/d all year
001BOD, carbonaceous [5 day, 20 C]MX WK AV <= 36 kg/d all year
001BOD, carbonaceous [5 day, 20 C]MO AVG report only all year
001BOD, carb-5 day, 20 deg C, percent removalMO AV MN >= 85 % 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