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City of Hagerstown - Water and Sewer Department

Sewage treatment plant, major discharger, Hagerstown, Maryland. NPDES permit MD0021776, in force until May 31, 2031. Last 12 months: no values over a limit, 10 required values missing, 5 of 23 reports late. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 29 days after each period: outfall 001 form A monthly (56 values), outfall TRAD form E monthly (7 values), outfall 001 form C yearly, outfall 101 form A yearly
Last report on file
August 2026
Oct 2024 – Sep 2025
0 values over a limit, 22 required values missing, 0 of 25 reports late

Limits in force (83)

ParameterStatisticLimitMonthsOutfall
Temperature, water deg. fahrenheitmonthly averagereport only (deg F)all year001
Temperature, water deg. fahrenheitmaximum daily averagereport only (deg F)all year001
Temperature, water deg. fahrenheitmonthly averagereport only (deg F)all year001
Temperature, water deg. fahrenheitmaximum daily averagereport only (deg F)all year001
Temperature, water deg. fahrenheitmonthly averagereport only (deg F)all year001
Temperature, water deg. fahrenheitmaximum daily averagereport only (deg F)all year001
Oxygen, dissolved [DO]instantaneous minimum≥ 5 mg/LJan, Feb, Mar, Apr, Nov, Dec001
Oxygen, dissolved [DO]instantaneous minimum≥ 8 mg/LMay–Oct001
BOD, 5-day, 20 deg. Cmaximum monthly average≤ 30 mg/LJan, Feb, Mar, Apr, Nov, Dec001
BOD, 5-day, 20 deg. Cmaximum monthly average≤ 12 mg/LMay–Oct001
BOD, 5-day, 20 deg. Cmaximum weekly average≤ 45 mg/LJan, Feb, Mar, Apr, Nov, Dec001
BOD, 5-day, 20 deg. Cmaximum weekly average≤ 18 mg/LMay–Oct001
BOD, 5-day, 20 deg. Cmaximum monthly average≤ 2000 lb/dJan, Feb, Mar, Apr, Nov, Dec001
BOD, 5-day, 20 deg. Cmaximum monthly average≤ 800 lb/dMay–Oct001
BOD, 5-day, 20 deg. Cmaximum weekly average≤ 3000 lb/dJan, Feb, Mar, Apr, Nov, Dec001
BOD, 5-day, 20 deg. Cmaximum weekly average≤ 1200 lb/dMay–Oct001
pHminimum≥ 6.5 SUall year001
pHmaximum≤ 8.5 SUall year001
Solids, total suspendedmaximum monthly average≤ 30 mg/Lall year001
Solids, total suspendedmaximum weekly average≤ 45 mg/Lall year001
Solids, total suspendedmaximum monthly average≤ 2000 lb/dall year001
Solids, total suspendedmaximum weekly average≤ 3000 lb/dall year001
Solids, total suspendedannual maximum≤ 730934 lb/yrall year001
Solids, total suspendedmonthly totalreport only (lb/mo)all year001
Nitrogen, total [as N]monthly averagereport only (mg/L)all year001
Nitrogen, total [as N]annual totalreport only (lb/yr)all year001
Nitrogen, total [as N]annual totalreport only (lb/yr)all year001
Nitrogen, total [as N]annual maximum≤ 97458 lb/yrall year001
Nitrogen, total [as N]monthly totalreport only (lb/mo)all year001
Nitrogen, organic total [as N]monthly averagereport only (mg/L)all year001
Nitrogen, ammonia total [as N]maximum monthly average≤ 6.2 mg/LJan, Feb, Mar, Apr, Nov, Dec001
Nitrogen, ammonia total [as N]maximum monthly average≤ 3.6 mg/LMay–Oct001
Nitrogen, ammonia total [as N]daily maximumreport only (mg/L)Jan, Feb, Mar, Apr, Nov, Dec001
Nitrogen, ammonia total [as N]daily maximumreport only (mg/L)May–Oct001
Nitrogen, ammonia total [as N]maximum monthly average≤ 414 lb/dJan, Feb, Mar, Apr, Nov, Dec001
Nitrogen, ammonia total [as N]maximum monthly average≤ 240 lb/dMay–Oct001
Nitrogen, ammonia total [as N]daily maximumreport only (lb/d)Jan, Feb, Mar, Apr, Nov, Dec001
Nitrogen, ammonia total [as N]daily maximumreport only (lb/d)May–Oct001
Nitrogen, Kjeldahl, total [as N]maximum weekly average≤ 6 mg/LMay–Oct001
Nitrogen, Kjeldahl, total [as N]maximum monthly average≤ 4 mg/LMay–Oct001
Nitrogen, Kjeldahl, total [as N]monthly averagereport only (mg/L)Jan, Feb, Mar, Apr, Nov, Dec001
Nitrogen, Kjeldahl, total [as N]maximum weekly average≤ 400 lb/dMay–Oct001
Nitrogen, Kjeldahl, total [as N]maximum monthly average≤ 267 lb/dMay–Oct001
Nitrite + Nitrate total [as N]monthly averagereport only (mg/L)all year001
Phosphorus, total [as P]monthly averagereport only (mg/L)all year001
Phosphorus, total [as P]annual totalreport only (lb/yr)all year001
Phosphorus, total [as P]annual totalreport only (lb/yr)all year001
Phosphorus, total [as P]annual maximum≤ 7309 lb/yrall year001
Phosphorus, total [as P]monthly totalreport only (lb/mo)all year001
Phosphate, ortho [as P]monthly averagereport only (mg/L)all year001
Benzo[b]fluoranthenequarterly averagereport only (ug/L)Mar, Jun, Sep, Dec001
Benzo[a]pyrenequarterly averagereport only (ug/L)Mar, Jun, Sep, Dec001
Isophoronequarterly averagereport only (ug/L)Mar, Jun, Sep, Dec001
N-Nitrosodimethylamine [NDMA]quarterly averagereport only (ug/L)Mar, Jun, Sep, Dec001
Benzo[a]anthracenequarterly averagereport only (ug/L)Mar, Jun, Sep, Dec001
Dibenz[a,h]anthracenequarterly averagereport only (ug/L)Mar, Jun, Sep, Dec001
2,3,7,8-TCDD TECquarterly averagereport only (ug/L)Mar, Jun, Sep, Dec001
Benzidinequarterly averagereport only (ug/L)Mar, Jun, Sep, Dec001
Aldrinquarterly averagereport only (ug/L)Mar, Jun, Sep, Dec001
Dieldrinquarterly averagereport only (ug/L)Mar, Jun, Sep, Dec001
Toxaphenequarterly averagereport only (ug/L)Mar, Jun, Sep, Dec001
Hexachlorobenzenequarterly averagereport only (ug/L)Mar, Jun, Sep, Dec001
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year001
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year001
Chlorine, total residualdaily maximum≤ .027 mg/Lall year001
E. colimaximum monthly geometric mean≤ 126 MPN/100mLall year001
BOD, 5-day, percent removalmonthly average minimum≥ 85 %all year001
Solids, suspended percent removalmonthly average minimum≥ 85 %all year001
Flow, totalannual totalreport only (Mgal/yr)all year001
Flow, totalannual totalreport only (Mgal/yr)all year001
Flow, totalmonthly totalreport only (Mgal/mo)all year001
Chloroethanequarterly averagereport only (ug/L)Mar, Jun, Sep, Dec001
BOD, 5-day, 20 deg. Cmonthly averagereport only (mg/L)all year101
BOD, 5-day, 20 deg. Cmonthly averagereport only (mg/L)all year101
Solids, total suspendedmonthly averagereport only (mg/L)all year101
Solids, total suspendedmonthly averagereport only (mg/L)all year101
Solids, total suspendedcumulative totalreport only (lb/yr)all yearTRAD
Solids, total suspendedcumulative totalreport only (lb/yr)all yearTRAD
Nitrogen, total [as N]cumulative totalreport only (lb/yr)all yearTRAD
Nitrogen, total [as N]cumulative totalreport only (lb/yr)all yearTRAD
Phosphorus, total [as P]cumulative totalreport only (lb/yr)all yearTRAD
Phosphorus, total [as P]cumulative totalreport only (lb/yr)all yearTRAD
Flowyear-to-date totalreport only (Mgal/yr)all yearTRAD

New limits from Jun 1, 2027

ParameterNew limitNew or tighterMedian, last 12 months× new limit
Nitrogen, ammonia total [as N], maximum monthly average3.2 mg/L (Jan, Feb, Mar, Apr, Nov, Dec)tighter0.1 mg/L (6 values)0.0312×
Nitrogen, ammonia total [as N], maximum monthly average214 lb/d (Jan, Feb, Mar, Apr, Nov, Dec)tighter4 lb/d (6 values)0.0187×
Nitrogen, ammonia total [as N], maximum monthly average1.6 mg/L (May–Oct)tighter0.2 mg/L (3 values)0.125×
Nitrogen, ammonia total [as N], maximum monthly average107 lb/d (May–Oct)tighter12 lb/d (3 values)0.112×

How strict are these limits?

Cited limits by parameter: Maryland'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/MD0021776 · MCP: https://passage-data.com/mcp