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Mayor and Town Council of Oakland

Sewage treatment plant, Oakland, Maryland. NPDES permit MD0020648 expired Mar 31, 2024; its limits still apply. Last 12 months: no values over a limit. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 28 days after each period: form A monthly (32 values)
Last report on file
August 2026
Oct 2024 – Sep 2025
0 values over a limit, 0 required values missing, 0 of 12 reports late

Limits in force (36)

ParameterStatisticLimitMonths
Temperature, water deg. fahrenheitmaximumreport only (deg F)all year
Temperature, water deg. fahrenheitmonthly averagereport only (deg F)all year
Temperature, water deg. fahrenheitmonthly averagereport only (deg F)all year
Oxygen, dissolved [DO]instantaneous minimum≥ 5 mg/Lall year
BOD, 5-day, 20 deg. Cmaximum monthly average≤ 20 mg/LJun–Oct
BOD, 5-day, 20 deg. Cmaximum monthly average≤ 30 mg/LJan, Feb, Mar, Apr, May, Nov, Dec
BOD, 5-day, 20 deg. Cmaximum weekly average≤ 30 mg/LJun–Oct
BOD, 5-day, 20 deg. Cmaximum weekly average≤ 45 mg/LJan, Feb, Mar, Apr, May, Nov, Dec
BOD, 5-day, 20 deg. Cmaximum monthly average≤ 150 lb/dJun–Oct
BOD, 5-day, 20 deg. Cmaximum monthly average≤ 225 lb/dJan, Feb, Mar, Apr, May, Nov, Dec
BOD, 5-day, 20 deg. Cmaximum weekly average≤ 225 lb/dJun–Oct
BOD, 5-day, 20 deg. Cmaximum weekly average≤ 337 lb/dJan, Feb, Mar, Apr, May, Nov, Dec
pHminimum≥ 6.5 SUall year
pHmaximum≤ 8.5 SUall year
Solids, total suspendedmaximum monthly average≤ 30 mg/Lall year
Solids, total suspendedmaximum weekly average≤ 45 mg/Lall year
Solids, total suspendedmaximum monthly average≤ 225 lb/dall year
Solids, total suspendedmaximum weekly average≤ 337 lb/dall year
Solids, total suspendedmonthly totalreport only (lb/mo)all year
Solids, total suspendedcumulative total≤ 82600 lb/yrall year
Nitrogen, ammonia total [as N]maximum monthly average≤ 5.5 mg/LJun–Oct
Nitrogen, ammonia total [as N]maximum daily average≤ 13.5 mg/LJun–Oct
Nitrogen, ammonia total [as N]maximum monthly average≤ 41 lb/dJun–Oct
Nitrogen, ammonia total [as N]maximum daily average≤ 101 lb/dJun–Oct
Nitrogen, Kjeldahl, total [as N]maximum monthly average≤ 7 mg/LJun–Oct
Nitrogen, Kjeldahl, total [as N]maximum weekly average≤ 10 mg/LJun–Oct
Nitrogen, Kjeldahl, total [as N]maximum monthly average≤ 53 lb/dJun–Oct
Nitrogen, Kjeldahl, total [as N]maximum weekly average≤ 79 lb/dJun–Oct
Phosphorus, total [as P]monthly averagereport only (mg/L)all year
Phosphate, ortho [as P]monthly averagereport only (mg/L)all year
Acroleinquarterly averagereport only (mg/L)Mar, Jun, Sep, Dec
Benzidinequarterly averagereport only (mg/L)Mar, Jun, Sep, Dec
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year
E. colimaximum monthly geometric mean≤ 126 MPN/100mLall year
Flow, totalmonthly totalreport only (Mgal/mo)all year

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/MD0020648 · MCP: https://passage-data.com/mcp