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Natchez Business Ventures LLC, Plantation MHP

Mobile Home Site Operators, Natchez, Mississippi. NPDES permit MS0039039 expired Mar 31, 2026; its limits still apply. Last 12 months: over a limit 8 times (last December 2025), 5 required values missing, 1 of 1 reports late. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 28 days after each period: form Y yearly
Last report on file
December 2025
Oct 2024 – Sep 2025
0 values over a limit, 21 required values missing, 1 of 1 report late

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

Period endingParameterReportedLimitOver by
December 2025BOD, 5-day, 20 deg. C, daily maximum15 mg/L≤ 13.5 mg/L11%
December 2025BOD, 5-day, 20 deg. C, maximum monthly average15 mg/L≤ 9 mg/L67%
December 2025E. coli, daily maximum> 2420 #/100mL≤ 410 #/100mL—
December 2025E. coli, maximum monthly average> 2420 #/100mL≤ 126 #/100mL—
December 2025Nitrogen, ammonia total [as N], daily maximum.6705 lb/d≤ .37 lb/d81%
December 2025Nitrogen, ammonia total [as N], daily maximum6.58 mg/L≤ 1.5 mg/L339%
December 2025Nitrogen, ammonia total [as N], maximum monthly average.6705 lb/d≤ .25 lb/d168%
December 2025Nitrogen, ammonia total [as N], maximum monthly average6.58 mg/L≤ 1 mg/L558%

Limits in force (29)

ParameterStatisticLimitMonths
Oxygen, dissolved [DO]minimum≥ 6 mg/Lall year
BOD, 5-day, 20 deg. Cmaximum monthly average≤ 30 mg/Lall year
BOD, 5-day, 20 deg. Cmaximum monthly average≤ 9 mg/Lall year
BOD, 5-day, 20 deg. Cdaily maximum≤ 45 mg/Lall year
BOD, 5-day, 20 deg. Cdaily maximum≤ 13.5 mg/Lall year
BOD, 5-day, 20 deg. Cmaximum monthly average≤ 7.5 lb/dall year
BOD, 5-day, 20 deg. Cmaximum monthly average≤ 2.2 lb/dall year
BOD, 5-day, 20 deg. Cdaily maximum≤ 11.2 lb/dall year
BOD, 5-day, 20 deg. Cdaily maximum≤ 3.4 lb/dall year
pHminimum≥ 6 SUall year
pHmaximum≤ 9 SUall year
Solids, total suspendedmaximum monthly average≤ 60 mg/Lall year
Solids, total suspendeddaily maximum≤ 60 mg/Lall year
Solids, total suspendedmaximum monthly average≤ 15 lb/dall year
Solids, total suspendeddaily maximum≤ 15 lb/dall year
Nitrogen, ammonia total [as N]maximum monthly averagereport only (mg/L)all year
Nitrogen, ammonia total [as N]maximum monthly average≤ 1 mg/Lall year
Nitrogen, ammonia total [as N]daily maximumreport only (mg/L)all year
Nitrogen, ammonia total [as N]daily maximum≤ 1.5 mg/Lall year
Nitrogen, ammonia total [as N]maximum monthly averagereport only (lb/d)all year
Nitrogen, ammonia total [as N]maximum monthly average≤ .25 lb/dall year
Nitrogen, ammonia total [as N]daily maximumreport only (lb/d)all year
Nitrogen, ammonia total [as N]daily maximum≤ .37 lb/dall year
Flow, in conduit or thru treatment plantmaximum monthly average≤ .03 MGDall year
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year
Chlorine, total residualminimum≥ .1 mg/Lall year
Chlorine, total residualmaximum≤ 1 mg/Lall year
E. colimaximum monthly average≤ 126 #/100mLall year
E. colidaily maximum≤ 410 #/100mLall year

How strict are these limits?

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

Same industry: the 245 Real Estate permits in Mississippi.

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On EPA ECHO: Facility report · DMR history

Your permit document is the final word. As JSON: /api/v1/permits/MS0039039 · MCP: https://passage-data.com/mcp