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Smith Midland Corporation

Sewerage Systems, Midland, Virginia. NPDES permit VA0084298, in force until Jan 31, 2028. Last 12 months: over a limit 2 times (last April 2026). Source: EPA ECHO, Oct 22, 2026.

Reports due
About 10 days after each period: outfall 001 form M1 monthly (19 values), outfall 002 form M1 monthly (12 values), outfall 001 form A1 yearly
Renewal application due
Aug 4, 2027 · 180 days before expiry; your permit may set another date
Last report on file
August 2026
Oct 2024 – Sep 2025
1 value over a limit, 0 required values missing, 0 of 25 reports late

Last 12 months (Oct 1, 2025 – Sep 30, 2026)

Period endingParameterReportedLimitOver by
December 2025Chlorine, total residual, minimum.5≥ .6 mg/L17%
April 2026Solids, total suspended, monthly average27≤ 25 mg/L8%

Limits in force (35)

ParameterStatisticLimitMonthsOutfall
Oxygen, dissolved [DO]minimum≥ 6 mg/Lall year001
BOD, 5-day, 20 deg. Cmonthly average≤ 25 mg/Lall year001
BOD, 5-day, 20 deg. Cweekly average≤ 38 mg/Lall year001
BOD, 5-day, 20 deg. Cmonthly average≤ .14 kg/dall year001
BOD, 5-day, 20 deg. Cweekly average≤ .21 kg/dall year001
BOD, 5-day, 20 deg. Cmonthly averagereport only (mg/L)all year001
pHminimum≥ 6 SUall year001
pHmaximum≤ 9 SUall year001
Solids, total suspendedmonthly average≤ 25 mg/Lall year001
Solids, total suspendedweekly average≤ 38 mg/Lall year001
Solids, total suspendedmonthly average≤ .14 kg/dall year001
Solids, total suspendedweekly average≤ .21 kg/dall year001
Solids, total suspendedmonthly averagereport only (mg/L)all year001
Nitrogen, ammonia total [as N]monthly averagereport only (mg/L)all year001
Nitrogen, ammonia total [as N]weekly averagereport only (mg/L)all year001
Flow, in conduit or thru treatment plantmonthly average≤ .0015 MGD (alert, not enforceable)all year001
Flow, in conduit or thru treatment plantmaximumreport only (MGD) (alert, not enforceable)all year001
Chlorine, total residualmonthly average≤ .013 mg/Lall year001
Chlorine, total residualweekly average≤ .016 mg/Lall year001
Chlorine, total residualminimum≥ .6 mg/Lall year001
BOD, percent removal [total]minimum≥ 85 %all year001
E. colimonthly average≤ 126 #/100mLall year001
Solids, suspended percent removalminimum≥ 85 %all year001
Temperature, water deg. centigrademaximum≤ 32 deg Call year002
Oxygen, dissolved [DO]minimum≥ 6 mg/Lall year002
Oxygen demand, chem. [low level] [COD]maximumreport only (mg/L)all year002
pHminimum≥ 6 SUall year002
pHmaximum≤ 9 SUall year002
Solids, total suspendedmonthly average≤ 30 mg/Lall year002
Solids, total suspendedmaximum≤ 60 mg/Lall year002
Petrol hydrocarbons, total recoverablemaximum≤ 15 mg/Lall year002
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD) (alert, not enforceable)all year002
Chlorine, total residualmonthly average≤ .013 mg/Lall year002
Chlorine, total residualdaily maximum≤ .027 mg/Lall year002
Solids, total dissolvedmaximumreport only (mg/L)all year002

How strict are these limits?

Cited limits by parameter: Virginia's rules and the federal ones.

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On EPA ECHO: Facility report · DMR history

Your permit document is the final word. As JSON: /api/v1/permits/VA0084298 · MCP: https://passage-data.com/mcp