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The William Schneider Company, Inc.

Apartment Building Operators, Sykesville, Maryland. NPDES permit MD0022845, in force until Jun 30, 2029. Last 12 months: no values over a limit. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 28 days after each period: outfall 001 form A monthly (21 values), outfall 101 form A monthly (2 values)
Last report on file
August 2026
Oct 2024 – Sep 2025
2 values over a limit, 0 required values missing, 11 of 24 reports late

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≤ 11 lb/dall year001
BOD, 5-day, 20 deg. Cmaximum weekly average≤ 17 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≤ 11 lb/dall year001
Solids, total suspendedmaximum weekly average≤ 17 lb/dall year001
Nitrogen, ammonia total [as N]maximum monthly average≤ .88 mg/LMay–Sep001
Nitrogen, ammonia total [as N]maximum monthly average≤ 1.98 mg/LJan, Feb, Mar, Apr, Oct, Nov, Dec001
Nitrogen, ammonia total [as N]daily maximum≤ 4.8 mg/LMay–Sep001
Nitrogen, ammonia total [as N]maximum monthly average≤ .33 lb/dMay–Sep001
Nitrogen, ammonia total [as N]maximum monthly average≤ .74 lb/dJan, Feb, Mar, Apr, Oct, Nov, Dec001
Nitrogen, ammonia total [as N]maximum daily average≤ 1.8 lb/dMay–Sep001
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
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 9 Real Estate 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/MD0022845 · MCP: https://passage-data.com/mcp