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

Dcrua, Braybourne Subdivision

Sewage treatment plant, Olive Branch, Mississippi. NPDES permit MS0053155, in force until Mar 31, 2029. Last 12 months: over a limit 11 times (last June 2026). Source: EPA ECHO, Oct 22, 2026.

Reports due
About 28 days after each period: form Q quarterly (51 values)
Last report on file
September 2026
Oct 2024 – Sep 2025
12 values over a limit, 0 required values missing, 0 of 4 reports late

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

Period endingParameterReportedLimitOver by
December 2025BOD, 5-day, 20 deg. C, maximum monthly average17 mg/L≤ 10 mg/L70%
December 2025BOD, 5-day, 20 deg. C, maximum monthly average57.99 lb/d≤ 42 lb/d38%
December 2025BOD, 5-day, 20 deg. C, maximum weekly average17 mg/L≤ 15 mg/L13%
December 2025Nitrogen, ammonia total [as N], maximum monthly average15.37 lb/d≤ 8.34 lb/d84%
December 2025Nitrogen, ammonia total [as N], maximum monthly average6.74 mg/L≤ 2 mg/L237%
December 2025Nitrogen, ammonia total [as N], maximum weekly average13 mg/L≤ 3 mg/L333%
December 2025Nitrogen, ammonia total [as N], maximum weekly average29.6 lb/d≤ 12.5 lb/d137%
December 2025Solids, total suspended, maximum monthly average163.73 lb/d≤ 125 lb/d31%
December 2025Solids, total suspended, maximum monthly average48 mg/L≤ 30 mg/L60%
December 2025Solids, total suspended, maximum weekly average48 mg/L≤ 45 mg/L7%
June 2026Solids, suspended percent removal, minimum83 %≥ 85 %13%

Limits in force (51)

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. Cmaximum monthly average≤ 10 mg/Lall year
BOD, 5-day, 20 deg. Cmaximum weekly average≤ 15 mg/Lall year
BOD, 5-day, 20 deg. Cmaximum monthly average≤ 42 lb/dall year
BOD, 5-day, 20 deg. Cmaximum weekly average≤ 63 lb/dall year
BOD, 5-day, 20 deg. Cmaximum monthly averagereport only (mg/L)all year
BOD, 5-day, 20 deg. Cmaximum weekly averagereport only (mg/L)all year
BOD, 5-day, 20 deg. Cmaximum monthly 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
pHminimumreport only (SU)all year
pHmaximumreport only (SU)all year
Solids, total suspendedmaximum monthly average≤ 30 mg/Lall year
Solids, total suspendedmaximum weekly average≤ 45 mg/Lall year
Solids, total suspendedmaximum monthly average≤ 125 lb/dall year
Solids, total suspendedmaximum weekly average≤ 188 lb/dall year
Solids, total suspendedmaximum monthly averagereport only (mg/L)all year
Solids, total suspendedmaximum weekly averagereport only (mg/L)all year
Solids, total suspendedmaximum monthly averagereport only (lb/d)all year
Solids, total suspendedmaximum weekly averagereport only (lb/d)all year
Nitrogen, total [as N]maximum monthly averagereport only (mg/L)all year
Nitrogen, total [as N]maximum weekly averagereport only (mg/L)all year
Nitrogen, total [as N]maximum monthly averagereport only (lb/d)all year
Nitrogen, total [as N]maximum weekly averagereport only (lb/d)all year
Nitrogen, ammonia total [as N]maximum monthly average≤ 2 mg/Lall year
Nitrogen, ammonia total [as N]maximum weekly average≤ 3 mg/Lall year
Nitrogen, ammonia total [as N]maximum monthly average≤ 8.34 lb/dall year
Nitrogen, ammonia total [as N]maximum weekly average≤ 12.5 lb/dall year
Nitrogen, ammonia total [as N]maximum 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]maximum monthly averagereport only (lb/d)all year
Nitrogen, ammonia total [as N]maximum weekly averagereport only (lb/d)all year
Phosphorus, total [as P]maximum monthly averagereport only (mg/L)all year
Phosphorus, total [as P]maximum weekly averagereport only (mg/L)all year
Phosphorus, total [as P]maximum monthly averagereport only (lb/d)all year
Phosphorus, total [as P]maximum weekly averagereport only (lb/d)all year
Phosphorus, total [as P]maximum monthly averagereport only (mg/L)all year
Phosphorus, total [as P]maximum weekly averagereport only (mg/L)all year
Phosphorus, total [as P]maximum 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 plantmaximum monthly average≤ .5 MGDall year
Flow, in conduit or thru treatment plantmaximum weekly averagereport only (MGD)all year
E. colimaximum monthly 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

New limits from Apr 5, 2027

ParameterNew limitNew or tighterMedian, last 12 months× new limit
Nitrogen, ammonia total [as N], maximum monthly average1.37 mg/Ltighter1.175 mg/L (4 values)0.858×
Nitrogen, ammonia total [as N], maximum monthly average5.71 lb/dtighter3.465 lb/d (4 values)0.607×
Nitrogen, ammonia total [as N], maximum weekly average8.56 lb/dtighter5.115 lb/d (4 values)0.598×
Nitrogen, ammonia total [as N], maximum weekly average2.05 mg/Ltighter1.865 mg/L (4 values)0.91×

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/MS0053155 · MCP: https://passage-data.com/mcp