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Wicomico County Board of Education

Elementary And Secondary Schools, Mardela Springs, Maryland. NPDES permit MD0024279 expired Jul 31, 2025; its limits still apply. Last 12 months: no values over a limit, 4 required values missing. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 28 days after each period: form A monthly (17 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 (24)

ParameterStatisticLimitMonths
Oxygen, dissolved [DO]instantaneous minimum≥ 6 mg/LApr–Oct
Oxygen, dissolved [DO]instantaneous minimum≥ 5 mg/LJan, Feb, Mar, Nov, Dec
BOD, 5-day, 20 deg. Cmaximum monthly average≤ 25 mg/LApr–Oct
BOD, 5-day, 20 deg. Cmaximum monthly average≤ 30 mg/LJan, Feb, Mar, Nov, Dec
BOD, 5-day, 20 deg. Cmaximum weekly average≤ 38 mg/LApr–Oct
BOD, 5-day, 20 deg. Cmaximum weekly average≤ 45 mg/LJan, Feb, Mar, Nov, Dec
BOD, 5-day, 20 deg. Cmaximum monthly average≤ 2.9 lb/dApr–Oct
BOD, 5-day, 20 deg. Cmaximum monthly average≤ 3.5 lb/dJan, Feb, Mar, Nov, Dec
BOD, 5-day, 20 deg. Cmaximum weekly average≤ 4.5 lb/dApr–Oct
BOD, 5-day, 20 deg. Cmaximum weekly average≤ 5.3 lb/dJan, Feb, Mar, Nov, Dec
pHminimum≥ 6.5 SUall year
pHmaximum≤ 7.5 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≤ 3.5 lb/dall year
Solids, total suspendedmaximum weekly average≤ 5.3 lb/dall year
Nitrogen, ammonia total [as N]maximum monthly average≤ 2.3 mg/LApr–Oct
Nitrogen, ammonia total [as N]maximum monthly average≤ 5.3 mg/LJan, Feb, Mar, Nov, Dec
Nitrogen, ammonia total [as N]maximum monthly average≤ .27 lb/dApr–Oct
Nitrogen, ammonia total [as N]maximum monthly average≤ .62 lb/dJan, Feb, Mar, Nov, 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
Chlorine, total residualmaximum≤ .1 mg/Lall year
Enterococcimaximum≤ 35 MPN/100mLall year

How strict are these limits?

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

Same industry: the 20 Educational Services permits in Maryland.

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On EPA ECHO: Facility report · DMR history

Your permit document is the final word. As JSON: /api/v1/permits/MD0024279 · MCP: https://passage-data.com/mcp