Montgomery County PSA

NPDES permit VA0024031 · Minor POTW · effective, expires 2028-12-31 · 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

1values over a limit
0required values missing, on 0 form(s)
0of 13 forms filed late

Last period with anything received: 2026-07-31. Most often over: Oxygen, dissolved [DO] (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 (30)

OutfallParameterStatisticLimitMonths
001Oxygen, dissolved [DO]MINIMUM >= 5 mg/L all year
001BOD, 5-day, 20 deg. CMO AVG <= 30 mg/L all year
001BOD, 5-day, 20 deg. CMX WK AV <= 45 mg/L all year
001BOD, 5-day, 20 deg. CMO AVG <= 22700 g/d all year
001BOD, 5-day, 20 deg. CMX WK AV <= 34000 g/d all year
001BOD, 5-day, 20 deg. CMO AVG report only all year
001pHMINIMUM >= 6.5 SU all year
001pHMAXIMUM <= 9 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 <= 22700 g/d all year
001Solids, total suspendedMX WK AV <= 34000 g/d all year
001Solids, total suspendedMO AVG report only all year
001Nitrogen, ammonia total [as N]MO AVG <= 13 mg/L Jun, Jul, Aug, Sep, Oct, Nov, Dec
001Nitrogen, ammonia total [as N]MO AVG <= 10.1 mg/L Jan, Feb, Mar, Apr, May
001Nitrogen, ammonia total [as N]MX WK AV <= 13 mg/L Jun, Jul, Aug, Sep, Oct, Nov, Dec
001Nitrogen, ammonia total [as N]MX WK AV <= 10.1 mg/L Jan, Feb, Mar, Apr, May
001Nitrogen, ammonia total [as N]MO AVG <= 9800 g/d Jun, Jul, Aug, Sep, Oct, Nov, Dec
001Nitrogen, ammonia total [as N]MO AVG <= 7600 g/d Jan, Feb, Mar, Apr, May
001Nitrogen, ammonia total [as N]MX WK AV <= 9800 g/d Jun, Jul, Aug, Sep, Oct, Nov, Dec
001Nitrogen, ammonia total [as N]MX WK AV <= 7600 g/d Jan, Feb, Mar, Apr, May
001Phosphorus, total [as P]MO AVG <= 1 mg/L all year
001Phosphorus, total [as P]MX WK AV <= 1.5 mg/L all year
001Phosphorus, total [as P]MO AVG <= 760 g/d all year
001Phosphorus, total [as P]MX WK AV <= 1100 g/d all year
001Flow, in conduit or thru treatment plantMO AVG <= .2 MGD (alert) all year
001Flow, in conduit or thru treatment plantMAXIMUM report only (alert) all year
001BOD, percent removal [total]MO AV MN >= 85 % all year
001E. coliGEO MEAN <= 126 #/100mL 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