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

Town of Evergreen- Wastewater Treatment Plant

Sewage treatment plant, Evergreen, Louisiana. NPDES permit LA0066893, in force until Nov 30, 2027. Last 12 months: over a limit 2 times (last July 2026), 2 of 13 reports late. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 28 days after each period: form A quarterly (28 values), form Q quarterly (4 values)
Renewal application due
Jun 3, 2027 · 180 days before expiry; your permit may set another date
Last report on file
July 2026
Oct 2024 – Sep 2025
1 value over a limit, 0 required values missing, 1 of 16 reports late

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

Period endingParameterReportedLimitOver by
March 2026Solids, total suspended, monthly average25 mg/L≤ 20 mg/L25%
July 2026Nitrogen, ammonia total [as N], monthly average2.58 mg/L≤ 2 mg/L29%

Limits in force (44)

ParameterStatisticLimitMonths
Oxygen, dissolved [DO]monthly average minimum≥ 5 mg/Lall year
Oxygen, dissolved [DO]monthly average minimum≥ 5 mg/Lall year
pHinstantaneous minimum≥ 6 SUall year
pHinstantaneous minimum≥ 6 SUall year
pHinstantaneous maximum≤ 9 SUall year
pHinstantaneous maximum≤ 9 SUall year
Solids, total suspendedmonthly average≤ 15 mg/LApr–Oct
Solids, total suspendedmonthly average≤ 15 mg/LApr–Oct
Solids, total suspendedmonthly average≤ 20 mg/LJan, Feb, Mar, Nov, Dec
Solids, total suspendedmonthly average≤ 20 mg/LJan, Feb, Mar, Nov, Dec
Solids, total suspendedweekly average≤ 23 mg/LApr–Oct
Solids, total suspendedweekly average≤ 23 mg/LApr–Oct
Solids, total suspendedweekly average≤ 30 mg/LJan, Feb, Mar, Nov, Dec
Solids, total suspendedweekly average≤ 30 mg/LJan, Feb, Mar, Nov, Dec
Nitrogen, total [as N]monthly averagereport only (mg/L)all year
Nitrogen, total [as N]weekly averagereport only (mg/L)all year
Nitrogen, ammonia total [as N]monthly average≤ 2 mg/LApr–Oct
Nitrogen, ammonia total [as N]monthly average≤ 2 mg/LApr–Oct
Nitrogen, ammonia total [as N]monthly average≤ 10 mg/LJan, Feb, Mar, Nov, Dec
Nitrogen, ammonia total [as N]monthly average≤ 10 mg/LJan, Feb, Mar, Nov, Dec
Nitrogen, ammonia total [as N]weekly average≤ 4 mg/LApr–Oct
Nitrogen, ammonia total [as N]weekly average≤ 4 mg/LApr–Oct
Nitrogen, ammonia total [as N]weekly average≤ 20 mg/LJan, Feb, Mar, Nov, Dec
Nitrogen, ammonia total [as N]weekly average≤ 20 mg/LJan, Feb, Mar, Nov, Dec
Phosphorus, total [as P]monthly averagereport only (mg/L)all year
Phosphorus, total [as P]weekly averagereport only (mg/L)all year
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year
Flow, in conduit or thru treatment plantweekly averagereport only (MGD)all year
Flow, in conduit or thru treatment plantweekly averagereport only (MGD)all year
Chlorine, total residualinstantaneous maximumreport only (mg/L)all year
Chlorine, total residualinstantaneous maximumreport only (mg/L)all year
Coliform, fecal generalmonthly geometric mean≤ 200 #/100mLall year
Coliform, fecal generalmonthly geometric mean≤ 200 #/100mLall year
Coliform, fecal generalweekly geometric mean≤ 400 #/100mLall year
Coliform, fecal generalweekly geometric mean≤ 400 #/100mLall year
BOD, carbonaceous [5 day, 20 C]monthly average≤ 20 mg/LJan, Feb, Mar, Nov, Dec
BOD, carbonaceous [5 day, 20 C]monthly average≤ 20 mg/LJan, Feb, Mar, Nov, Dec
BOD, carbonaceous [5 day, 20 C]monthly average≤ 10 mg/LApr–Oct
BOD, carbonaceous [5 day, 20 C]monthly average≤ 10 mg/LApr–Oct
BOD, carbonaceous [5 day, 20 C]weekly average≤ 30 mg/LJan, Feb, Mar, Nov, Dec
BOD, carbonaceous [5 day, 20 C]weekly average≤ 30 mg/LJan, Feb, Mar, Nov, Dec
BOD, carbonaceous [5 day, 20 C]weekly average≤ 15 mg/LApr–Oct
BOD, carbonaceous [5 day, 20 C]weekly average≤ 15 mg/LApr–Oct

How strict are these limits?

Cited limits by parameter: Louisiana'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/LA0066893 · MCP: https://passage-data.com/mcp