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Timber Lake Home Owners Association

Sewage treatment plant, Otoe, Nebraska. NPDES permit NE0137481, in force until Jun 30, 2031. Last 12 months: over a limit 6 times (last June 2026), 7 required values missing. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 28 days after each period: outfall 001 form M quarterly, outfall 001 form Q quarterly, outfall INF form A yearly
Last report on file
June 2026
Oct 2024 – Sep 2025
3 values over a limit, 16 required values missing, 12 of 17 reports late

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

Period endingParameterReportedLimitOver by
March 2026Nitrogen, ammonia total [as N], daily maximum1.46 kg/d≤ .91 kg/d60%
March 2026Nitrogen, ammonia total [as N], monthly average1.46 kg/d≤ .69 kg/d112%
June 2026Nitrogen, ammonia total [as N], daily maximum.94 kg/d≤ .28 kg/d236%
June 2026Nitrogen, ammonia total [as N], daily maximum12.4 mg/L≤ 8.2 mg/L51%
June 2026Nitrogen, ammonia total [as N], monthly average.94 kg/d≤ .21 kg/d348%
June 2026Nitrogen, ammonia total [as N], monthly average12.4 mg/L≤ 6.19 mg/L100%

Limits in force (36)

ParameterStatisticLimitMonthsOutfall
Temperature, water deg. fahrenheitmonthly averagereport only (deg F)all year001
Temperature, water deg. fahrenheitdaily maximumreport only (deg F)all year001
pHdaily minimum≥ 6.5 SUall year001
pHdaily maximum≤ 9 SUall year001
Solids, total suspendedmonthly average≤ 30 mg/Lall year001
Solids, total suspended7-day average≤ 45 mg/Lall year001
Solids, total suspendedmonthly average≤ 3.97 kg/dall year001
Solids, total suspended7-day average≤ 5.96 kg/dall year001
Nitrogen, total [as N]monthly averagereport only (mg/L)all year001
Nitrogen, total [as N]daily maximumreport only (mg/L)all year001
Nitrogen, ammonia total [as N]monthly average≤ 5.57 mg/LMar–May001
Nitrogen, ammonia total [as N]monthly average≤ 4.51 mg/LJun–Oct001
Nitrogen, ammonia total [as N]monthly average≤ 9.6 mg/LJan, Feb, Nov, Dec001
Nitrogen, ammonia total [as N]daily maximum≤ 11.18 mg/LMar–May001
Nitrogen, ammonia total [as N]daily maximum≤ 8.2 mg/LJun–Oct001
Nitrogen, ammonia total [as N]daily maximum≤ 19.4 mg/LJan, Feb, Nov, Dec001
Nitrogen, ammonia total [as N]monthly average≤ .21 kg/dMar–May001
Nitrogen, ammonia total [as N]monthly average≤ .15 kg/dJun–Oct001
Nitrogen, ammonia total [as N]monthly average≤ .33 kg/dJan, Feb, Nov, Dec001
Nitrogen, ammonia total [as N]daily maximum≤ .42 kg/dMar–May001
Nitrogen, ammonia total [as N]daily maximum≤ .28 kg/dJun–Oct001
Nitrogen, ammonia total [as N]daily maximum≤ .66 kg/dJan, Feb, Nov, Dec001
Phosphorus, total [as P]monthly averagereport only (mg/L)all year001
Phosphorus, total [as P]daily maximumreport only (mg/L)all year001
E. coli, MTEC-MFmonthly geometric mean≤ 126 #/100mLMay–Sep001
E. coli, MTEC-MFdaily maximum≤ 298 #/100mLMay–Sep001
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year001
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year001
BOD, carbonaceous [5 day, 20 C]monthly average≤ 25 mg/Lall year001
BOD, carbonaceous [5 day, 20 C]7-day average≤ 40 mg/Lall year001
BOD, carbonaceous [5 day, 20 C]monthly average≤ 3.31 kg/dall year001
BOD, carbonaceous [5 day, 20 C]7-day average≤ 5.3 kg/dall year001
pHvaluereport only (SU)all yearINF
Solids, total suspendedvaluereport only (mg/L)all yearINF
Flow, in conduit or thru treatment plantvaluereport only (MGD)all yearINF
BOD, carbonaceous [5 day, 20 C]valuereport only (mg/L)all yearINF

How strict are these limits?

Cited limits by parameter: Nebraska'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/NE0137481 · MCP: https://passage-data.com/mcp