Passage Data · Check a report · Use it from your AI

Chopticon High School

Elementary And Secondary Schools, Morganza, Maryland. NPDES permit MD0051918, in force until Dec 31, 2029. Last 12 months: over a limit once (last February 2026). Source: EPA ECHO, Oct 22, 2026.

Reports due
About 29 days after each period: outfall 001 form A monthly (21 values), outfall 101 form A monthly (2 values)
Last report on file
September 2026
Oct 2024 – Sep 2025
1 value over a limit, 2 required values missing, 1 of 21 reports late

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

Period endingParameterReportedLimitOver by
February 2026BOD, 5-day, percent removal, monthly average minimum76.9 %≥ 85 %54%

Limits in force (25)

ParameterStatisticLimitMonthsOutfall
Oxygen, dissolved [DO]instantaneous minimum≥ 5 mg/Lall year001
BOD, 5-day, 20 deg. Cmaximum monthly average≤ 30 mg/Lall year001
BOD, 5-day, 20 deg. Cmaximum weekly average≤ 45 mg/Lall year001
BOD, 5-day, 20 deg. Cmaximum monthly average≤ 4.3 lb/dall year001
BOD, 5-day, 20 deg. Cmaximum weekly average≤ 6.4 lb/dall year001
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≤ 4.3 lb/dall year001
Solids, total suspendedmaximum weekly average≤ 6.4 lb/dall year001
Nitrogen, ammonia total [as N]maximum monthly average≤ 20 mg/LMay–Oct001
Nitrogen, ammonia total [as N]maximum monthly average≤ 11.3 mg/LJan, Feb, Mar, Apr, Nov, Dec001
Nitrogen, ammonia total [as N]daily maximum≤ 11.9 mg/LMay–Oct001
Nitrogen, ammonia total [as N]maximum monthly average≤ .28 lb/dMay–Oct001
Nitrogen, ammonia total [as N]maximum monthly average≤ 1.6 lb/dJan, Feb, Mar, Apr, Nov, Dec001
Nitrogen, ammonia total [as N]daily maximum≤ 1.7 lb/dMay–Oct001
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≤ .014 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
BOD, 5-day, 20 deg. Cmonthly averagereport only (mg/L)all year101
Solids, total suspendedmonthly averagereport only (mg/L)all year101

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.

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

· Save this facility as a site · Superfund sites nearby · Your permits on one board

On EPA ECHO: Facility report · DMR history

Your permit document is the final word. As JSON: /api/v1/permits/MD0051918 · MCP: https://passage-data.com/mcp