Montgomery County PSA

NPDES permit VA0024040 · Minor POTW · effective, expires 2027-09-30 · 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

10values over a limit
0required values missing, on 0 form(s)
1of 13 forms filed late

Last period with anything received: 2026-07-31. Most often over: Nitrogen, ammonia total [as N] (4), Nitrogen, Kjeldahl, total [as N] (3), Copper, total recoverable (2).

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 (34)

OutfallParameterStatisticLimitMonths
001Temperature, water deg. centigradeMAXIMUM report only all year
001Oxygen, dissolved [DO]DAILY MN >= 6.2 mg/L Jun, Jul, Aug, Sep, Oct, Nov, Dec
001BOD, 5-day, 20 deg. CMO AVG <= 30 mg/L Jan, Feb, Mar, Apr, May
001BOD, 5-day, 20 deg. CMO AVG <= 19 mg/L Jun, Jul, Aug, Sep, Oct, Nov, Dec
001BOD, 5-day, 20 deg. CMX WK AV <= 45 mg/L Jan, Feb, Mar, Apr, May
001BOD, 5-day, 20 deg. CMX WK AV <= 28 mg/L Jun, Jul, Aug, Sep, Oct, Nov, Dec
001BOD, 5-day, 20 deg. CMO AVG <= 7500 g/d Jan, Feb, Mar, Apr, May
001BOD, 5-day, 20 deg. CMO AVG <= 7200 g/d Jun, Jul, Aug, Sep, Oct, Nov, Dec
001BOD, 5-day, 20 deg. CMX WK AV <= 11250 g/d Jan, Feb, Mar, Apr, May
001BOD, 5-day, 20 deg. CMX WK AV <= 11000 g/d Jun, Jul, Aug, Sep, Oct, Nov, Dec
001BOD, 5-day, 20 deg. CMO AVG report only all year
001pHDAILY MN >= 6 SU all year
001pHDAILY MX <= 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 <= 11000 g/d all year
001Solids, total suspendedMX WK AV <= 17000 g/d all year
001Solids, total suspendedMO AVG report only all year
001Nitrogen, ammonia total [as N]MO AVG <= 1.3 mg/L Jun, Jul, Aug, Sep, Oct, Nov, Dec
001Nitrogen, ammonia total [as N]MO AVG <= 2.9 mg/L Jan, Feb, Mar, Apr, May
001Nitrogen, ammonia total [as N]MX WK AV <= 1.9 mg/L Jun, Jul, Aug, Sep, Oct, Nov, Dec
001Nitrogen, ammonia total [as N]MX WK AV <= 4.3 mg/L Jan, Feb, Mar, Apr, May
001Nitrogen, Kjeldahl, total [as N]MO AVG <= 1900 g/d all year
001Nitrogen, Kjeldahl, total [as N]MX WK AV <= 2850 g/d all year
001Zinc, total recoverableMO AVG <= 130 ug/L all year
001Zinc, total recoverableMX WK AV <= 130 ug/L all year
001Copper, total recoverableMO AVG <= 16 ug/L all year
001Copper, total recoverableMX WK AV <= 16 ug/L all year
001Flow, in conduit or thru treatment plantMO AVG <= .1 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. coli30DA GEO <= 126 #/100mL all year
001E. coliMAXIMUM <= 235 #/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