Old School Properties LLC, the Hill and Moor — NPDES permit MS0038601: limits, due date and EPA's record

Elementary And Secondary Schools, Crawford, Mississippi. NPDES permit MS0038601 expired Feb 28, 2026; its limits still apply. Last 12 months: no values over a limit, 22 required values missing. Source: EPA ECHO, Oct 22, 2026.

Limits in force (22)

Parameter	Statistic	Limit	Months
Oxygen, dissolved [DO]	minimum	≥ 6 mg/L	all year
BOD, 5-day, 20 deg. C	maximum monthly average	≤ 28 mg/L	all year
BOD, 5-day, 20 deg. C	daily maximum	≤ 42 mg/L	all year
BOD, 5-day, 20 deg. C	maximum monthly average	≤ 2.8 lb/d	all year
BOD, 5-day, 20 deg. C	daily maximum	≤ 4.2 lb/d	all year
pH	minimum	≥ 6 SU	all year
pH	maximum	≤ 9 SU	all year
Solids, total suspended	maximum monthly average	≤ 30 mg/L	all year
Solids, total suspended	daily maximum	≤ 45 mg/L	all year
Solids, total suspended	maximum monthly average	≤ 3 lb/d	all year
Solids, total suspended	daily maximum	≤ 4.5 lb/d	all year
Nitrogen, total [as N]	maximum monthly average	≤ 1.15 lb/d	all year
Nitrogen, total [as N]	daily maximum	≤ 1.73 lb/d	all year
Nitrogen, ammonia total [as N]	maximum monthly average	≤ 2.48 mg/L	all year
Nitrogen, ammonia total [as N]	daily maximum	≤ 3.72 mg/L	all year
Phosphorus, total [as P]	maximum monthly average	≤ .58 lb/d	all year
Phosphorus, total [as P]	daily maximum	≤ .87 lb/d	all year
Flow, in conduit or thru treatment plant	maximum monthly average	≤ .012 MGD	all year
Chlorine, total residual	maximum monthly average	≤ .011 mg/L	all year
Chlorine, total residual	daily maximum	≤ .019 mg/L	all year
E. coli	maximum monthly average	≤ 126 #/100mL	all year
E. coli	daily maximum	≤ 410 #/100mL	all year

How strict are these limits?

Your permit document is the final word. As JSON: /api/v1/permits/MS0038601 · MCP: https://passage-data.com/mcp