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South Coastal Regional Wastewater

Sewage treatment plant, major discharger, Frankford, Delaware. NPDES permit DE0050008 expired Nov 30, 2024; its limits still apply. Last 12 months: over a limit 3 times (last June 2026), 20 required values missing. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 28 days after each period: form A monthly (20 values)
Last report on file
June 2026
Oct 2024 – Sep 2025
2 values over a limit, 0 required values missing, 0 of 12 reports late

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

Period endingParameterReportedLimitOver by
February 2026Enterococci: group D, MF trans, M-E, EIA, daily average41.5 #/100mL≤ 10 #/100mL315%
February 2026Enterococci: group D, MF trans, M-E, EIA, daily maximum> 160 #/100mL≤ 104 #/100mL—
June 2026Enterococci: group D, MF trans, M-E, EIA, daily maximum> 160 #/100mL≤ 104 #/100mL—

Limits in force (30)

ParameterStatisticLimitMonths
BOD, 5-day, 20 deg. Cdaily average≤ 15 mg/LJan, Feb, Mar, Apr, Oct, Nov, Dec
BOD, 5-day, 20 deg. Cdaily average≤ 15 mg/LMay–Sep
BOD, 5-day, 20 deg. Cdaily maximum≤ 23 mg/LJan, Feb, Mar, Apr, Oct, Nov, Dec
BOD, 5-day, 20 deg. Cdaily maximum≤ 23 mg/LMay–Sep
BOD, 5-day, 20 deg. Cdaily average≤ 1126 lb/dJan, Feb, Mar, Apr, Oct, Nov, Dec
BOD, 5-day, 20 deg. Cdaily average≤ 1126 lb/dMay–Sep
BOD, 5-day, 20 deg. Cdaily maximum≤ 1726 lb/dJan, Feb, Mar, Apr, Oct, Nov, Dec
BOD, 5-day, 20 deg. Cdaily maximum≤ 1726 lb/dMay–Sep
BOD, 5-day, 20 deg. Cdaily averagereport only (mg/L)all year
BOD, 5-day, 20 deg. Cdaily maximumreport only (mg/L)all year
pHdaily minimum≥ 6 SUall year
pHdaily maximum≤ 9 SUall year
Solids, total suspendeddaily average≤ 15 mg/LMay–Sep
Solids, total suspendeddaily average≤ 15 mg/LJan, Feb, Mar, Apr, Oct, Nov, Dec
Solids, total suspendeddaily maximum≤ 23 mg/LMay–Sep
Solids, total suspendeddaily maximum≤ 23 mg/LJan, Feb, Mar, Apr, Oct, Nov, Dec
Solids, total suspendeddaily average≤ 1126 lb/dMay–Sep
Solids, total suspendeddaily average≤ 1126 lb/dJan, Feb, Mar, Apr, Oct, Nov, Dec
Solids, total suspendeddaily maximum≤ 1726 lb/dMay–Sep
Solids, total suspendeddaily maximum≤ 1726 lb/dJan, Feb, Mar, Apr, Oct, Nov, Dec
Solids, total suspendeddaily averagereport only (mg/L)all year
Solids, total suspendeddaily maximumreport only (mg/L)all year
Enterococci: group D, MF trans, M-E, EIAdaily average≤ 10 #/100mLMay–Sep
Enterococci: group D, MF trans, M-E, EIAdaily average≤ 10 #/100mLJan, Feb, Mar, Apr, Oct, Nov, Dec
Enterococci: group D, MF trans, M-E, EIAdaily maximum≤ 104 #/100mLMay–Sep
Enterococci: group D, MF trans, M-E, EIAdaily maximum≤ 104 #/100mLJan, Feb, Mar, Apr, Oct, Nov, Dec
Flow, in conduit or thru treatment plantdaily averagereport only (MGD)all year
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year
Chlorine, total residualdaily minimum≥ 1 mg/Lall year
Chlorine, total residualdaily maximum≤ 4 mg/Lall year

How strict are these limits?

Cited limits by parameter: Delaware'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/DE0050008 · MCP: https://passage-data.com/mcp