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Town of Indian Head WWTP

Sewage treatment plant, Indian Head, Maryland. NPDES permit MD0020052, in force until Feb 28, 2030. Last 12 months: no values over a limit, 2 of 44 reports late. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 28 days after each period: outfall 001 form A monthly (46 values), outfall 001 form B monthly (2 values), outfall 101 form A monthly (2 values), outfall TRAD form E monthly (7 values)
Last report on file
August 2026
Oct 2024 – Sep 2025
0 values over a limit, 1 required value missing, 3 of 33 reports late

Limits in force (71)

ParameterStatisticLimitMonthsOutfall
Oxygen, dissolved [DO]instantaneous minimum≥ 6 mg/Lall year001
BOD, 5-day, 20 deg. Cmaximum monthly average≤ 16 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 weekly average≤ 24 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 monthly average≤ 67 lb/dMay–Oct001
BOD, 5-day, 20 deg. Cmaximum monthly average≤ 105 lb/dJan, Feb, Mar, Apr, Nov, Dec001
BOD, 5-day, 20 deg. Cmaximum weekly average≤ 98 lb/dMay–Oct001
BOD, 5-day, 20 deg. Cmaximum weekly average≤ 158 lb/dJan, Feb, Mar, Apr, Nov, Dec001
pHminimum≥ 6.5 SUall year001
pHmaximum≤ 8.5 SUall year001
Solids, total suspendedmaximum monthly average≤ 30 mg/Lall year001
Solids, total suspendedmaximum monthly averagereport only (mg/L)all year001
Solids, total suspendedmaximum weekly average≤ 45 mg/Lall year001
Solids, total suspendedmaximum monthly average≤ 105 lb/dall year001
Solids, total suspendedmaximum weekly average≤ 158 lb/dall year001
Solids, total suspendedcumulative total≤ 45683 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]monthly totalreport only (lb/mo)all year001
Nitrogen, total [as N]cumulative total≤ 6091 lb/yrall year001
Nitrogen, total [as N]annual totalreport only (lb/yr)Dec001
Nitrogen, total [as N]annual totalreport only (lb/yr)all year001
Nitrogen, organic total [as N]monthly averagereport only (mg/L)all year001
Nitrogen, ammonia total [as N]maximum monthly average≤ 1.1 mg/LMay–Oct001
Nitrogen, ammonia total [as N]maximum monthly average≤ 2.3 mg/LJan, Feb, Mar, Apr, Nov, Dec001
Nitrogen, ammonia total [as N]maximum daily average≤ 6.9 mg/LMay–Oct001
Nitrogen, ammonia total [as N]maximum daily average≤ 13 mg/LJan, Feb, Mar, Apr, Nov, Dec001
Nitrogen, ammonia total [as N]maximum monthly average≤ 4 lb/dMay–Oct001
Nitrogen, ammonia total [as N]maximum monthly average≤ 9 lb/dJan, Feb, Mar, Apr, Nov, Dec001
Nitrogen, ammonia total [as N]maximum daily average≤ 28 lb/dMay–Oct001
Nitrogen, ammonia total [as N]maximum daily average≤ 54 lb/dJan, Feb, Mar, Apr, Nov, Dec001
Nitrogen, Kjeldahl, total [as N]monthly averagereport only (mg/L)all year001
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]cumulative total≤ 457 lb/yrall year001
Phosphorus, total [as P]annual totalreport only (lb/yr)Dec001
Phosphorus, total [as P]monthly totalreport only (lb/mo)all year001
Phosphorus, total [as P]annual totalreport only (lb/yr)all year001
Cyanide, total [as CN]monthly averagereport only (mg/L)all year001
Cyanide, free [amenable to chlorination]monthly averagereport only (mg/L)all year001
Lead, total [as Pb]monthly averagereport only (mg/L)all year001
Cadmiummonthly averagereport only (lb/CFS/d)all year001
Chromium, hexavalentmonthly averagereport only (lb/CFS/d)all year001
Coppermonthly averagereport only (lb/CFS/d)all year001
Silvermonthly averagereport only (lb/CFS/d)all year001
Zincmonthly averagereport only (lb/CFS/d)all year001
Phosphate, ortho [as P]monthly averagereport only (mg/L)all year001
Acroleinmonthly averagereport only (mg/L)all year001
4,4'-DDTmonthly averagereport only (mg/L)all year001
Endrinmonthly averagereport only (mg/L)all year001
Heptachlormonthly averagereport only (mg/L)all year001
Heptachlor epoxidemonthly averagereport only (mg/L)all year001
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 residualmaximum≤ .011 mg/Lall year001
Chlordanemonthly averagereport only (mg/L)all year001
E. colimonthly geometric mean≤ 126 MPN/100mLall year001
Polychlorinated biphenyls [PCB] pg/Lquarterly totalreport only (mg/L)all 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
BOD, 5-day, 20 deg. Cmonthly averagereport only (mg/L)all year101
Solids, total suspendedmonthly averagereport only (mg/L)all year101
Solids, total suspendedmonthly totalreport only (lb/yr)all yearTRAD
Solids, total suspendedmonthly totalreport only (lb/yr)all yearTRAD
Nitrogen, total [as N]monthly totalreport only (lb/yr)all yearTRAD
Nitrogen, total [as N]monthly totalreport only (lb/yr)all yearTRAD
Phosphorus, total [as P]monthly totalreport only (lb/yr)all yearTRAD
Phosphorus, total [as P]monthly totalreport only (lb/yr)all yearTRAD
Flowyear-to-date totalreport only (Mgal/yr)all yearTRAD

How strict are these limits?

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

Check this month's numbers Email me before each report is due

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On EPA ECHO: Facility report · DMR history

Your permit document is the final word. As JSON: /api/v1/permits/MD0020052 · MCP: https://passage-data.com/mcp