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Town of Parrottsville

Sewage treatment plant, Parrottsville, Tennessee. NPDES permit TN0067318, in force until Feb 28, 2030. Last 12 months: over a limit 18 times (last September 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 (52 values), outfall INF1 form G monthly (4 values)
Last report on file
September 2026
Oct 2024 – Sep 2025
12 values over a limit, 1 required value missing, 4 of 14 reports late

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

All 18 values over a limit
Period endingParameterReportedLimitOver by
October 2025Nitrogen, ammonia total [as N], daily maximum8.2 mg/L≤ 1.8 mg/L356%
October 2025Nitrogen, ammonia total [as N], monthly average6.4 mg/L≤ 1.2 mg/L433%
February 2026Solids, total suspended, monthly average minimum83 %≥ 85 %2%
May 2026Nitrogen, ammonia total [as N], daily maximum19.1 mg/L≤ 1.8 mg/L961%
May 2026Nitrogen, ammonia total [as N], monthly average15.7 mg/L≤ 1.2 mg/L1208%
June 2026Nitrogen, ammonia total [as N], daily maximum21.2 mg/L≤ 1.8 mg/L1078%
June 2026Nitrogen, ammonia total [as N], monthly average13.2 mg/L≤ 1.2 mg/L1000%
July 2026BOD, carbonaceous [5 day, 20 C], monthly average11.2 mg/L≤ 10 mg/L12%
July 2026Nitrogen, ammonia total [as N], daily maximum16.6 mg/L≤ 1.8 mg/L822%
July 2026Nitrogen, ammonia total [as N], monthly average16.4 mg/L≤ 1.2 mg/L1267%
August 2026BOD, carbonaceous [5 day, 20 C], daily maximum15.2 mg/L≤ 15 mg/L1%
August 2026BOD, carbonaceous [5 day, 20 C], monthly average13.8 mg/L≤ 10 mg/L38%
August 2026Nitrogen, ammonia total [as N], daily maximum14.44 mg/L≤ 1.8 mg/L702%
August 2026Nitrogen, ammonia total [as N], monthly average9.7 mg/L≤ 1.2 mg/L708%
August 2026Oxygen, dissolved [DO], daily minimum2 mg/L> 6 mg/L67%
September 2026BOD, carbonaceous [5 day, 20 C], monthly average11.2 mg/L≤ 10 mg/L12%
September 2026Nitrogen, ammonia total [as N], daily maximum13.9 mg/L≤ 1.8 mg/L672%
September 2026Nitrogen, ammonia total [as N], monthly average12.5 mg/L≤ 1.2 mg/L942%

Limits in force (60)

ParameterStatisticLimitMonthsOutfall
Oxygen, dissolved [DO]daily minimum> 6 mg/Lall year001
Oxygen, dissolved [DO]daily minimum> 6 mg/Lall year001
pHdaily minimum≥ 6 SUall year001
pHdaily minimum≥ 6 SUall year001
pHdaily maximum≤ 9 SUall year001
pHdaily maximum≤ 9 SUall year001
Solids, total suspendedmonthly average≤ 30 mg/Lall year001
Solids, total suspendedmonthly average≤ 30 mg/Lall year001
Solids, total suspendeddaily maximum≤ 40 mg/Lall year001
Solids, total suspendeddaily maximum≤ 40 mg/Lall year001
Solids, total suspendedmonthly average minimum≥ 85 %all year001
Solids, total suspendedmonthly average minimum≥ 85 %all year001
Solids, total suspendeddaily minimum≥ 40 %all year001
Solids, total suspendeddaily minimum≥ 40 %all year001
Solids, settleabledaily maximum≤ 1 mL/Lall 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 (mg/L)all year001
Nitrogen, total [as N]daily maximumreport only (lb/d)all year001
Nitrogen, total [as N]daily maximumreport only (lb/d)all year001
Nitrogen, ammonia total [as N]monthly average≤ 1.2 mg/LMay–Oct001
Nitrogen, ammonia total [as N]monthly average≤ 1.2 mg/LMay–Oct001
Nitrogen, ammonia total [as N]monthly average≤ 5 mg/LMay–Oct001
Nitrogen, ammonia total [as N]monthly average≤ 5 mg/LMay–Oct001
Nitrogen, ammonia total [as N]daily maximum≤ 1.8 mg/LMay–Oct001
Nitrogen, ammonia total [as N]daily maximum≤ 1.8 mg/LMay–Oct001
Nitrogen, ammonia total [as N]daily maximum≤ 7.5 mg/LMay–Oct001
Nitrogen, ammonia total [as N]daily maximum≤ 7.5 mg/LMay–Oct001
Phosphorus, total [as P]daily maximumreport only (mg/L)all year001
Phosphorus, total [as P]daily maximumreport only (mg/L)all year001
Phosphorus, total [as P]daily maximumreport only (lb/d)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 plantmonthly averagereport only (MGD)all year001
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year001
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year001
Chlorine, total residualdaily maximum≤ 1.17 mg/Lall year001
Chlorine, total residualdaily maximum≤ 1.17 mg/Lall year001
E. colimonthly average≤ 126 #/100mLall year001
E. colimonthly average≤ 126 #/100mLall year001
E. colidaily maximum≤ 410 #/100mLall year001
E. colidaily maximum≤ 410 #/100mLall year001
UV Light Workingsingle readingreport only (N=0;Y=1)all year001
UV Light Workingsingle readingreport only (N=0;Y=1)all year001
BOD, carbonaceous [5 day, 20 C]monthly average≤ 10 mg/LMay–Oct001
BOD, carbonaceous [5 day, 20 C]monthly average≤ 10 mg/LMay–Oct001
BOD, carbonaceous [5 day, 20 C]monthly average≤ 25 mg/LJan, Feb, Mar, Apr, Nov, Dec001
BOD, carbonaceous [5 day, 20 C]monthly average≤ 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]daily maximum≤ 15 mg/LMay–Oct001
BOD, carbonaceous [5 day, 20 C]daily maximum≤ 35 mg/LJan, Feb, Mar, Apr, Nov, Dec001
BOD, carbonaceous [5 day, 20 C]daily maximum≤ 35 mg/LJan, Feb, Mar, Apr, Nov, Dec001
BOD, carbonaceous [5 day, 20 C]monthly average minimum≥ 85 %all year001
BOD, carbonaceous [5 day, 20 C]monthly average minimum≥ 85 %all year001
BOD, carbonaceous [5 day, 20 C]daily minimum≥ 40 %all year001
BOD, carbonaceous [5 day, 20 C]daily minimum≥ 40 %all year001
Solids, total suspendedmonthly average minimumreport only (mg/L)all yearINF1
Solids, total suspendeddaily maximumreport only (mg/L)all yearINF1
BOD, carbonaceous [5 day, 20 C]monthly average minimumreport 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/TN0067318 · MCP: https://passage-data.com/mcp