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Paris Board of Public Utilities

Sewage treatment plant, major discharger, Paris, Tennessee. NPDES permit TN0061271, in force until May 31, 2028. Last 12 months: over a limit 4 times (last August 2026). Source: EPA ECHO, Oct 22, 2026.

Reports due
About 15 days after each period: outfall 001 form G monthly (37 values), outfall INF1 form G monthly (6 values)
Renewal application due
Dec 3, 2027 · 180 days before expiry; your permit may set another date
Last report on file
September 2026
Oct 2024 – Sep 2025
1 value over a limit, 0 required values missing, 0 of 24 reports late

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

Period endingParameterReportedLimitOver by
August 2026E. coli, daily maximum2420 #/100mL≤ 941 #/100mL157%
August 2026Nitrogen, ammonia total [as N], daily maximum7.73 mg/L≤ 5 mg/L55%
August 2026Nitrogen, ammonia total [as N], weekly average5.453 mg/L≤ 3 mg/L82%
August 2026Nitrogen, ammonia total [as N], weekly average89.927 lb/d≤ 63 lb/d43%

Limits in force (53)

ParameterStatisticLimitMonthsOutfall
Oxygen, dissolved [DO]instantaneous minimum≥ 6 mg/Lall year001
pHminimum≥ 6 SUall year001
pHmaximum≤ 9 SUall year001
Solids, total suspendedmonthly average≤ 30 mg/Lall year001
Solids, total suspendedweekly average≤ 40 mg/Lall year001
Solids, total suspendeddaily maximum≤ 45 mg/Lall year001
Solids, total suspendedmonthly average≤ 626 lb/dall year001
Solids, total suspendedweekly average≤ 834 lb/dall year001
Solids, settleabledaily maximum≤ 1 mL/Lall year001
Nitrogen, total [as N]daily averagereport only (mg/L)all year001
Nitrogen, total [as N]daily averagereport only (lb/d)all year001
Nitrogen, total [as N]rolling average≤ 81846 lb/yr (alert, not enforceable)all year001
Nitrogen, ammonia total [as N]monthly average≤ 3 mg/LJan, Feb, Mar, Apr, Nov, Dec001
Nitrogen, ammonia total [as N]monthly average≤ 1.75 mg/LMay–Oct001
Nitrogen, ammonia total [as N]weekly average≤ 5 mg/LJan, Feb, Mar, Apr, Nov, Dec001
Nitrogen, ammonia total [as N]weekly average≤ 3 mg/LMay–Oct001
Nitrogen, ammonia total [as N]daily maximum≤ 8 mg/LJan, Feb, Mar, Apr, Nov, Dec001
Nitrogen, ammonia total [as N]daily maximum≤ 5 mg/LMay–Oct001
Nitrogen, ammonia total [as N]monthly average≤ 63 lb/dJan, Feb, Mar, Apr, Nov, Dec001
Nitrogen, ammonia total [as N]monthly average≤ 36 lb/dMay–Oct001
Nitrogen, ammonia total [as N]weekly average≤ 104 lb/dJan, Feb, Mar, Apr, Nov, Dec001
Nitrogen, ammonia total [as N]weekly average≤ 63 lb/dMay–Oct001
Phosphorus, total [as P]daily averagereport only (mg/L)all year001
Phosphorus, total [as P]daily averagereport only (lb/d)all year001
Phosphorus, total [as P]rolling average≤ 3956 lb/yr (alert, not enforceable)all year001
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year001
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year001
E. colimonthly geometric mean≤ 126 #/100mLall year001
E. colidaily maximum≤ 941 #/100mLall year001
SSO, Dry Weathermonthly total≤ 0 occur/moall year001
SSO, Wet Weathermonthly total≤ 0 occur/moall year001
BOD, carbonaceous [5 day, 20 C]monthly average≤ 15 mg/LJan, Feb, Mar, Apr, Nov, Dec001
BOD, carbonaceous [5 day, 20 C]monthly average≤ 8 mg/LMay–Oct001
BOD, carbonaceous [5 day, 20 C]weekly average≤ 20 mg/LJan, Feb, Mar, Apr, Nov, Dec001
BOD, carbonaceous [5 day, 20 C]weekly average≤ 12 mg/LMay–Oct001
BOD, carbonaceous [5 day, 20 C]daily maximum≤ 25 mg/LJan, Feb, Mar, Apr, Nov, Dec001
BOD, carbonaceous [5 day, 20 C]daily maximum≤ 15 mg/LMay–Oct001
BOD, carbonaceous [5 day, 20 C]monthly average≤ 313 lb/dJan, Feb, Mar, Apr, Nov, Dec001
BOD, carbonaceous [5 day, 20 C]monthly average≤ 167 lb/dMay–Oct001
BOD, carbonaceous [5 day, 20 C]weekly average≤ 417 lb/dJan, Feb, Mar, Apr, Nov, Dec001
BOD, carbonaceous [5 day, 20 C]weekly average≤ 250 lb/dMay–Oct001
BOD, carbonaceous, percent removaldaily minimum≥ 40 %all year001
BOD, carbonaceous, percent removalmonthly average minimum≥ 85 %all year001
Solids, suspended percent removaldaily minimum≥ 40 %all year001
Solids, suspended percent removalmonthly average minimum≥ 85 %all year001
IC25 Static Renewal 7 Day Chronic Ceriodaphnia dubiaminimum> 46.7 %all year001
IC25 Static Renewal 7 Day Chronic Pimephalesminimum> 46.7 %all year001
Solids, total suspendedmonthly averagereport only (mg/L)all yearINF1
Solids, total suspendeddaily maximumreport only (mg/L)all yearINF1
Phosphorus, total [as P]monthly averagereport only (lb/d)all yearINF1
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all yearINF1
BOD, carbonaceous [5 day, 20 C]monthly averagereport only (mg/L)all yearINF1
BOD, carbonaceous [5 day, 20 C]daily maximumreport only (mg/L)all yearINF1

How strict are these limits?

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

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On EPA ECHO: Facility report · DMR history

Your permit document is the final word. As JSON: /api/v1/permits/TN0061271 · MCP: https://passage-data.com/mcp