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Cardwell Reserve Homeowners' Association, Inc

Sewerage Systems, Lincoln, Nebraska. NPDES permit NE0137596 expired Sep 30, 2026; its limits still apply. Last 12 months: over a limit 33 times (last July 2026), 2 of 12 reports late. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 90 days after each period: outfall 001 form M monthly (20 values), outfall 001 form S twice a year (4 values), outfall INF form A yearly (4 values)
Last report on file
September 2026
Oct 2024 – Sep 2025
40 values over a limit, 0 required values missing, 0 of 15 reports late

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

All 33 values over a limit
Period endingParameterReportedLimitOver by
October 2025BOD, carbonaceous [5 day, 20 C], monthly average27.1 mg/L≤ 25 mg/L8%
October 2025Nitrogen, ammonia total [as N], daily maximum.38 kg/d≤ .17 kg/d124%
October 2025Nitrogen, ammonia total [as N], daily maximum25.4 mg/L≤ 5.74 mg/L343%
October 2025Nitrogen, ammonia total [as N], monthly average.38 kg/d≤ .09 kg/d322%
October 2025Nitrogen, ammonia total [as N], monthly average25.4 mg/L≤ 2.86 mg/L788%
October 2025Solids, total suspended, monthly average32 mg/L≤ 30 mg/L7%
November 2025Nitrogen, ammonia total [as N], daily maximum17.9 mg/L≤ 15.97 mg/L12%
November 2025Nitrogen, ammonia total [as N], monthly average17.9 mg/L≤ 7.96 mg/L125%
December 2025BOD, carbonaceous [5 day, 20 C], monthly average27.1 mg/L≤ 25 mg/L8%
December 2025Nitrogen, ammonia total [as N], daily maximum25.4 mg/L≤ 15.97 mg/L59%
December 2025Nitrogen, ammonia total [as N], monthly average.44 kg/d≤ .24 kg/d83%
December 2025Nitrogen, ammonia total [as N], monthly average25.4 mg/L≤ 7.96 mg/L219%
December 2025Solids, total suspended, monthly average32 mg/L≤ 30 mg/L7%
January 2026Nitrogen, ammonia total [as N], daily maximum26.1 mg/L≤ 15.97 mg/L63%
January 2026Nitrogen, ammonia total [as N], monthly average.4 kg/d≤ .24 kg/d67%
January 2026Nitrogen, ammonia total [as N], monthly average26.1 mg/L≤ 7.96 mg/L228%
February 2026Nitrogen, ammonia total [as N], daily maximum19.6 mg/L≤ 15.97 mg/L23%
February 2026Nitrogen, ammonia total [as N], monthly average.28 kg/d≤ .24 kg/d17%
February 2026Nitrogen, ammonia total [as N], monthly average19.6 mg/L≤ 7.96 mg/L146%
March 2026Nitrogen, ammonia total [as N], daily maximum18.6 mg/L≤ 15.08 mg/L23%
March 2026Nitrogen, ammonia total [as N], monthly average18.6 mg/L≤ 7.52 mg/L147%
April 2026Nitrogen, ammonia total [as N], daily maximum16.4 mg/L≤ 15.08 mg/L9%
April 2026Nitrogen, ammonia total [as N], monthly average16.4 mg/L≤ 7.52 mg/L118%
May 2026Nitrogen, ammonia total [as N], daily maximum18.5 mg/L≤ 15.08 mg/L23%
May 2026Nitrogen, ammonia total [as N], monthly average.288 kg/d≤ .23 kg/d25%
May 2026Nitrogen, ammonia total [as N], monthly average18.5 mg/L≤ 7.52 mg/L146%
June 2026Nitrogen, ammonia total [as N], daily maximum12.7 mg/L≤ 5.74 mg/L121%
June 2026Nitrogen, ammonia total [as N], monthly average.16 kg/d≤ .09 kg/d78%
June 2026Nitrogen, ammonia total [as N], monthly average12.7 mg/L≤ 2.86 mg/L344%
July 2026Nitrogen, ammonia total [as N], daily maximum.27 kg/d≤ .17 kg/d59%
July 2026Nitrogen, ammonia total [as N], daily maximum17.3 mg/L≤ 5.74 mg/L201%
July 2026Nitrogen, ammonia total [as N], monthly average.27 kg/d≤ .09 kg/d200%
July 2026Nitrogen, ammonia total [as N], monthly average17.3 mg/L≤ 2.86 mg/L505%

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≤ 1.25 kg/dall year001
Solids, total suspended7-day average≤ 1.87 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≤ 7.52 mg/LMar–May001
Nitrogen, ammonia total [as N]monthly average≤ 2.86 mg/LJun–Oct001
Nitrogen, ammonia total [as N]monthly average≤ 7.96 mg/LJan, Feb, Nov, Dec001
Nitrogen, ammonia total [as N]daily maximum≤ 15.08 mg/LMar–May001
Nitrogen, ammonia total [as N]daily maximum≤ 5.74 mg/LJun–Oct001
Nitrogen, ammonia total [as N]daily maximum≤ 15.97 mg/LJan, Feb, Nov, Dec001
Nitrogen, ammonia total [as N]monthly average≤ .23 kg/dMar–May001
Nitrogen, ammonia total [as N]monthly average≤ .09 kg/dJun–Oct001
Nitrogen, ammonia total [as N]monthly average≤ .24 kg/dJan, Feb, Nov, Dec001
Nitrogen, ammonia total [as N]daily maximum≤ .46 kg/dMar–May001
Nitrogen, ammonia total [as N]daily maximum≤ .17 kg/dJun–Oct001
Nitrogen, ammonia total [as N]daily maximum≤ .48 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≤ 1.04 kg/dall year001
BOD, carbonaceous [5 day, 20 C]7-day average≤ 1.67 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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Your permit document is the final word. As JSON: /api/v1/permits/NE0137596 · MCP: https://passage-data.com/mcp