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Benton-Decatur Special Sewer District

Sewage treatment plant, Sugar Tree (Benton Co. Location), Tennessee. NPDES permit TN0078042, in force until Mar 31, 2028. Last 12 months: over a limit 41 times (last July 2026), 2 of 24 reports late. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 15 days after each period: outfall 001 form G monthly (31 values), outfall INF1 form G monthly (6 values)
Renewal application due
Oct 3, 2027 · 180 days before expiry; your permit may set another date
Last report on file
September 2026
Oct 2024 – Sep 2025
34 values over a limit, 6 required values missing, 3 of 24 reports late

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

All 41 values over a limit
Period endingParameterReportedLimitOver by
October 2025BOD, carbonaceous [5 day, 20 C], daily maximum42.4 lb/d≤ 33 lb/d28%
October 2025BOD, carbonaceous [5 day, 20 C], daily maximum81 mg/L≤ 40 mg/L103%
October 2025BOD, carbonaceous [5 day, 20 C], monthly average26.4 lb/d≤ 21 lb/d26%
October 2025BOD, carbonaceous [5 day, 20 C], monthly average61.8 mg/L≤ 25 mg/L147%
October 2025BOD, carbonaceous [5 day, 20 C], weekly average42.4 lb/d≤ 29 lb/d46%
October 2025BOD, carbonaceous [5 day, 20 C], weekly average81 mg/L≤ 35 mg/L131%
October 2025E. coli, daily maximum24196 #/100mL≤ 487 #/100mL4868%
October 2025E. coli, monthly geometric mean935.6 #/100mL≤ 126 #/100mL643%
October 2025Solids, total suspended, daily maximum83 mg/L≤ 80 mg/L4%
October 2025Solids, total suspended, monthly average61.4 mg/L≤ 40 mg/L54%
October 2025Solids, total suspended, weekly average83 mg/L≤ 60 mg/L38%
November 2025BOD, carbonaceous [5 day, 20 C], weekly average30.2 lb/d≤ 29 lb/d4%
November 2025E. coli, daily maximum1733 #/100mL≤ 487 #/100mL256%
November 2025E. coli, monthly geometric mean467 #/100mL≤ 126 #/100mL271%
December 2025BOD, carbonaceous [5 day, 20 C], daily maximum62 mg/L≤ 40 mg/L55%
December 2025BOD, carbonaceous [5 day, 20 C], monthly average45.6 mg/L≤ 25 mg/L82%
December 2025BOD, carbonaceous [5 day, 20 C], weekly average62 mg/L≤ 35 mg/L77%
December 2025E. coli, daily maximum2420 #/100mL≤ 487 #/100mL397%
December 2025E. coli, monthly geometric mean161.2 #/100mL≤ 126 #/100mL28%
January 2026BOD, carbonaceous [5 day, 20 C], daily maximum76 mg/L≤ 40 mg/L90%
January 2026BOD, carbonaceous [5 day, 20 C], monthly average29.6 lb/d≤ 21 lb/d41%
January 2026BOD, carbonaceous [5 day, 20 C], monthly average71.33 mg/L≤ 25 mg/L185%
January 2026BOD, carbonaceous [5 day, 20 C], weekly average30.8 lb/d≤ 29 lb/d6%
January 2026BOD, carbonaceous [5 day, 20 C], weekly average76 mg/L≤ 35 mg/L117%
February 2026BOD, carbonaceous [5 day, 20 C], weekly average36 mg/L≤ 35 mg/L3%
April 2026BOD, carbonaceous [5 day, 20 C], daily maximum36.2 lb/d≤ 33 lb/d10%
April 2026BOD, carbonaceous [5 day, 20 C], daily maximum54 mg/L≤ 40 mg/L35%
April 2026BOD, carbonaceous [5 day, 20 C], monthly average37.67 mg/L≤ 25 mg/L51%
April 2026BOD, carbonaceous [5 day, 20 C], weekly average36.2 lb/d≤ 29 lb/d25%
April 2026BOD, carbonaceous [5 day, 20 C], weekly average54 mg/L≤ 35 mg/L54%
April 2026BOD, carbonaceous, percent removal, monthly average minimum64 %≥ 65 %3%
April 2026E. coli, monthly geometric mean154.3 #/100mL≤ 126 #/100mL22%
June 2026BOD, carbonaceous [5 day, 20 C], daily maximum36.5 lb/d≤ 33 lb/d11%
June 2026BOD, carbonaceous [5 day, 20 C], weekly average36.5 lb/d≤ 29 lb/d26%
June 2026BOD, carbonaceous [5 day, 20 C], weekly average37 mg/L≤ 35 mg/L6%
June 2026BOD, carbonaceous, percent removal, monthly average minimum56 %≥ 65 %26%
July 2026BOD, carbonaceous [5 day, 20 C], daily maximum45 mg/L≤ 40 mg/L13%
July 2026BOD, carbonaceous [5 day, 20 C], daily maximum49.2 lb/d≤ 33 lb/d49%
July 2026BOD, carbonaceous [5 day, 20 C], weekly average45 mg/L≤ 35 mg/L29%
July 2026BOD, carbonaceous [5 day, 20 C], weekly average49.2 lb/d≤ 29 lb/d70%
July 2026Solids, total suspended, weekly average69 mg/L≤ 60 mg/L15%

Limits in force (37)

ParameterStatisticLimitMonthsOutfall
Oxygen, dissolved [DO]instantaneous minimum≥ 1 mg/Lall year001
pHminimum≥ 6 SUall year001
pHmaximum≤ 9 SUall year001
Solids, total suspendedmonthly average≤ 40 mg/Lall year001
Solids, total suspendedweekly average≤ 60 mg/Lall year001
Solids, total suspendeddaily maximum≤ 80 mg/Lall year001
Solids, total suspendedmonthly average≤ 33 lb/dall year001
Solids, total suspendeddaily maximum≤ 67 lb/dall year001
Solids, total suspendedweekly average≤ 50 lb/dall year001
Solids, settleabledaily maximum≤ 1 mL/Lall year001
Nitrogen, total [as N]daily maximumreport only (mg/L)all year001
Nitrogen, total [as N]daily maximumreport only (lb/d)all year001
Nitrogen, ammonia total [as N]daily maximumreport only (mg/L)all year001
Nitrogen, ammonia total [as N]daily maximumreport only (lb/d)all year001
Phosphorus, total [as P]daily maximumreport only (mg/L)all year001
Phosphorus, total [as P]daily maximumreport only (lb/d)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
Chlorine, total residualdaily maximum≤ 2 mg/Lall year001
E. colimonthly geometric mean≤ 126 #/100mLall year001
E. colidaily maximum≤ 487 #/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≤ 25 mg/Lall year001
BOD, carbonaceous [5 day, 20 C]weekly average≤ 35 mg/Lall year001
BOD, carbonaceous [5 day, 20 C]daily maximum≤ 40 mg/Lall year001
BOD, carbonaceous [5 day, 20 C]monthly average≤ 21 lb/dall year001
BOD, carbonaceous [5 day, 20 C]daily maximum≤ 33 lb/dall year001
BOD, carbonaceous [5 day, 20 C]weekly average≤ 29 lb/dall year001
BOD, carbonaceous, percent removalmonthly average minimum≥ 65 %all year001
Solids, suspended percent removalmonthly average minimumreport only (%)all year001
Solids, total suspendedmonthly averagereport only (mg/L)all yearINF1
Solids, total suspendeddaily maximumreport only (mg/L)all yearINF1
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all yearINF1
Flow, in conduit or thru treatment plantdaily maximumreport 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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Your permit document is the final word. As JSON: /api/v1/permits/TN0078042 · MCP: https://passage-data.com/mcp