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

Marshall Utility Services LLC, Chickasaw Trail WWTP

Sewage treatment plant, Marshall County, Mississippi. NPDES permit MS0060046, in force until Dec 31, 2030. Last 12 months: over a limit 38 times (last September 2026), 1 of 12 reports late. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 28 days after each period: form A monthly (47 values)
Last report on file
September 2026
Oct 2024 – Sep 2025
15 values over a limit, 0 required values missing, 1 of 12 reports late

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

All 38 values over a limit
Period endingParameterReportedLimitOver by
November 2025BOD, 5-day, 20 deg. C, monthly average18 mg/L≤ 12 mg/L50%
December 2025BOD, 5-day, 20 deg. C, monthly average50 mg/L≤ 12 mg/L317%
December 2025BOD, 5-day, 20 deg. C, monthly average89 lb/d≤ 45 lb/d98%
December 2025BOD, 5-day, 20 deg. C, maximum weekly average66 mg/L≤ 18 mg/L267%
December 2025BOD, 5-day, 20 deg. C, maximum weekly average93 lb/d≤ 68 lb/d37%
December 2025BOD, 5-day, percent removal, minimum70 %≥ 85 %100%
December 2025Solids, suspended percent removal, minimum53 %≥ 85 %213%
December 2025Solids, total suspended, monthly average143 lb/d≤ 113 lb/d27%
December 2025Solids, total suspended, monthly average76 mg/L≤ 30 mg/L153%
December 2025Solids, total suspended, maximum weekly average172 lb/d≤ 169 lb/d2%
December 2025Solids, total suspended, maximum weekly average90 mg/L≤ 45 mg/L100%
January 2026BOD, 5-day, 20 deg. C, monthly average29 mg/L≤ 12 mg/L142%
January 2026BOD, 5-day, 20 deg. C, monthly average58 lb/d≤ 45 lb/d29%
January 2026BOD, 5-day, 20 deg. C, maximum weekly average29 mg/L≤ 18 mg/L61%
January 2026BOD, 5-day, percent removal, minimum78 %≥ 85 %47%
January 2026Nitrogen, ammonia total [as N], monthly average15.2 lb/d≤ 15 lb/d1%
January 2026Nitrogen, ammonia total [as N], monthly average8.07 mg/L≤ 4 mg/L102%
January 2026Nitrogen, ammonia total [as N], maximum weekly average8.07 mg/L≤ 6 mg/L35%
February 2026Solids, suspended percent removal, minimum80 %≥ 85 %33%
March 2026BOD, 5-day, 20 deg. C, monthly average32 mg/L≤ 12 mg/L167%
March 2026BOD, 5-day, 20 deg. C, monthly average66 lb/d≤ 45 lb/d47%
March 2026BOD, 5-day, 20 deg. C, maximum weekly average32 mg/L≤ 18 mg/L78%
March 2026Nitrogen, ammonia total [as N], monthly average12.7 mg/L≤ 4 mg/L218%
March 2026Nitrogen, ammonia total [as N], monthly average26 lb/d≤ 15 lb/d73%
March 2026Nitrogen, ammonia total [as N], maximum weekly average12.7 mg/L≤ 6 mg/L112%
March 2026Nitrogen, ammonia total [as N], maximum weekly average26 lb/d≤ 23 lb/d13%
April 2026BOD, 5-day, 20 deg. C, monthly average28 mg/L≤ 12 mg/L133%
April 2026BOD, 5-day, 20 deg. C, maximum weekly average117 lb/d≤ 68 lb/d72%
April 2026BOD, 5-day, 20 deg. C, maximum weekly average80 mg/L≤ 18 mg/L344%
April 2026BOD, 5-day, percent removal, minimum78 %≥ 85 %47%
April 2026Nitrogen, ammonia total [as N], monthly average10.2 mg/L≤ 4 mg/L155%
April 2026Nitrogen, ammonia total [as N], maximum weekly average29 mg/L≤ 6 mg/L383%
April 2026Nitrogen, ammonia total [as N], maximum weekly average42 lb/d≤ 23 lb/d83%
April 2026Solids, suspended percent removal, minimum78 %≥ 85 %47%
April 2026Solids, total suspended, monthly average32 mg/L≤ 30 mg/L7%
April 2026Solids, total suspended, maximum weekly average95 mg/L≤ 45 mg/L111%
May 2026Solids, suspended percent removal, minimum81 %≥ 85 %27%
September 2026Solids, suspended percent removal, minimum58 %≥ 85 %180%

Limits in force (47)

ParameterStatisticLimitMonths
Oxygen, dissolved [DO]minimum≥ 6 mg/Lall year
Oxygen, dissolved [DO]minimumreport only (mg/L)all year
Oxygen, dissolved [DO]maximumreport only (mg/L)all year
BOD, 5-day, 20 deg. Cmonthly average≤ 12 mg/Lall year
BOD, 5-day, 20 deg. Cmaximum weekly average≤ 18 mg/Lall year
BOD, 5-day, 20 deg. Cmonthly average≤ 45 lb/dall year
BOD, 5-day, 20 deg. Cmaximum weekly average≤ 68 lb/dall year
BOD, 5-day, 20 deg. Cmonthly averagereport only (mg/L)all year
BOD, 5-day, 20 deg. Cmaximum weekly averagereport only (mg/L)all year
BOD, 5-day, 20 deg. Cmonthly averagereport only (lb/d)all year
BOD, 5-day, 20 deg. Cmaximum weekly averagereport only (lb/d)all year
pHminimum≥ 6 SUall year
pHmaximum≤ 9 SUall year
Solids, total suspendedmonthly average≤ 30 mg/Lall year
Solids, total suspendedmaximum weekly average≤ 45 mg/Lall year
Solids, total suspendedmonthly average≤ 113 lb/dall year
Solids, total suspendedmaximum weekly average≤ 169 lb/dall year
Solids, total suspendedmonthly averagereport only (mg/L)all year
Solids, total suspendedmaximum weekly averagereport only (mg/L)all year
Solids, total suspendedmonthly averagereport only (lb/d)all year
Solids, total suspendedmaximum weekly averagereport only (lb/d)all year
Nitrogen, total [as N]monthly averagereport only (lb/d)all year
Nitrogen, total [as N]maximum weekly averagereport only (lb/d)all year
Nitrogen, total [as N]monthly averagereport only (lb/d)all year
Nitrogen, total [as N]maximum weekly averagereport only (lb/d)all year
Nitrogen, ammonia total [as N]monthly average≤ 4 mg/Lall year
Nitrogen, ammonia total [as N]maximum weekly average≤ 6 mg/Lall year
Nitrogen, ammonia total [as N]monthly average≤ 15 lb/dall year
Nitrogen, ammonia total [as N]maximum weekly average≤ 23 lb/dall year
Nitrogen, ammonia total [as N]monthly averagereport only (mg/L)all year
Nitrogen, ammonia total [as N]maximum weekly averagereport only (mg/L)all year
Nitrogen, ammonia total [as N]monthly averagereport only (lb/d)all year
Nitrogen, ammonia total [as N]maximum weekly averagereport only (lb/d)all year
Phosphorus, total [as P]monthly averagereport only (lb/d)all year
Phosphorus, total [as P]maximum weekly averagereport only (lb/d)all year
Phosphorus, total [as P]monthly averagereport only (lb/d)all year
Phosphorus, total [as P]maximum weekly averagereport only (lb/d)all year
Flow, in conduit or thru treatment plantmonthly average≤ .45 MGDall year
Flow, in conduit or thru treatment plantmaximum weekly averagereport only (MGD)all year
Chlorine, total residualmonthly average≤ .032 mg/Lall year
Chlorine, total residualmaximum weekly average≤ .054 mg/Lall year
E. colimonthly average≤ 126 #/100mLall year
E. colimaximum weekly average≤ 410 #/100mLall year
BOD, 5-day, percent removalminimum≥ 85 %all year
Solids, suspended percent removalminimum≥ 85 %all year
Sludge settleability 30 minuteminimumreport only (mL/L)all year
Sludge settleability 30 minutemaximumreport only (mL/L)all year

How strict are these limits?

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

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/MS0060046 · MCP: https://passage-data.com/mcp