Smith Midland Corporation

NPDES permit VA0084298 · Minor NON-POTW · effective, expires 2028-01-31 · 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

2values over a limit
0required values missing, on 0 form(s)
0of 23 forms filed late

Last period with anything received: 2026-07-31. Most often over: Chlorine, total residual (1), Solids, total suspended (1).

Reporting

Reports are due about 10 days after each monitoring period ends (the most common figure among VA permits in EPA's filings — check your permit).

Limits in force (35)

OutfallParameterStatisticLimitMonths
001Oxygen, dissolved [DO]MINIMUM >= 6 mg/L all year
001BOD, 5-day, 20 deg. CMO AVG <= 25 mg/L all year
001BOD, 5-day, 20 deg. CWKLY AVG <= 38 mg/L all year
001BOD, 5-day, 20 deg. CMO AVG <= .14 kg/d all year
001BOD, 5-day, 20 deg. CWKLY AVG <= .21 kg/d all year
001BOD, 5-day, 20 deg. CMO AVG report only all year
001pHMINIMUM >= 6 SU all year
001pHMAXIMUM <= 9 SU all year
001Solids, total suspendedMO AVG <= 25 mg/L all year
001Solids, total suspendedWKLY AVG <= 38 mg/L all year
001Solids, total suspendedMO AVG <= .14 kg/d all year
001Solids, total suspendedWKLY AVG <= .21 kg/d all year
001Solids, total suspendedMO AVG report only all year
001Nitrogen, ammonia total [as N]MO AVG report only all year
001Nitrogen, ammonia total [as N]WKLY AVG report only all year
001Flow, in conduit or thru treatment plantMO AVG <= .0015 MGD (alert) all year
001Flow, in conduit or thru treatment plantMAXIMUM report only (alert) all year
001Chlorine, total residualMO AVG <= .013 mg/L all year
001Chlorine, total residualWKLY AVG <= .016 mg/L all year
001Chlorine, total residualMINIMUM >= .6 mg/L all year
001BOD, percent removal [total]MINIMUM >= 85 % all year
001E. coliMO AVG <= 126 #/100mL all year
001Solids, suspended percent removalMINIMUM >= 85 % all year
002Temperature, water deg. centigradeMAXIMUM <= 32 deg C all year
002Oxygen, dissolved [DO]MINIMUM >= 6 mg/L all year
002Oxygen demand, chem. [low level] [COD]MAXIMUM report only all year
002pHMINIMUM >= 6 SU all year
002pHMAXIMUM <= 9 SU all year
002Solids, total suspendedMO AVG <= 30 mg/L all year
002Solids, total suspendedMAXIMUM <= 60 mg/L all year
002Petrol hydrocarbons, total recoverableMAXIMUM <= 15 mg/L all year
002Flow, in conduit or thru treatment plantMO AVG report only (alert) all year
002Chlorine, total residualMO AVG <= .013 mg/L all year
002Chlorine, total residualDAILY MX <= .027 mg/L all year
002Solids, total dissolvedMAXIMUM report only 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