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Kum & Go, L.C.

Gasoline Service Stations, Williamsburg, Iowa. NPDES permit IA0053388, in force until Mar 31, 2027. Last 12 months: over a limit 45 times (last August 2026). Source: EPA ECHO, Oct 22, 2026.

Reports due
About 15 days after each period: form A monthly (16 values)
Renewal application due
Oct 2, 2026 · 180 days before expiry; your permit may set another date
Last report on file
September 2026
Oct 2024 – Sep 2025
39 values over a limit, 0 required values missing, 1 of 12 reports late

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

All 45 values over a limit
Period endingParameterReportedLimitOver by
October 2025Nitrogen, ammonia total [as N], 30-day average.273745≤ .03 lb/d812%
October 2025Nitrogen, ammonia total [as N], 30-day average27.22≤ 1.6 mg/L1601%
October 2025Nitrogen, ammonia total [as N], daily maximum.393297≤ .33 lb/d19%
October 2025Nitrogen, ammonia total [as N], daily maximum38≤ 15.7 mg/L142%
November 2025Nitrogen, ammonia total [as N], 30-day average.188659≤ .05 lb/d277%
November 2025Nitrogen, ammonia total [as N], 30-day average19.5≤ 2.3 mg/L748%
November 2025Nitrogen, ammonia total [as N], daily maximum28≤ 14.7 mg/L90%
December 2025Nitrogen, ammonia total [as N], 30-day average.296086≤ .05 lb/d492%
December 2025Nitrogen, ammonia total [as N], 30-day average36.5≤ 2.5 mg/L1360%
December 2025Nitrogen, ammonia total [as N], daily maximum.36289≤ .33 lb/d10%
December 2025Nitrogen, ammonia total [as N], daily maximum42≤ 16 mg/L163%
January 2026Nitrogen, ammonia total [as N], 30-day average.332465≤ .07 lb/d375%
January 2026Nitrogen, ammonia total [as N], 30-day average50.33333≤ 3.4 mg/L1380%
January 2026Nitrogen, ammonia total [as N], daily maximum.483778≤ .32 lb/d51%
January 2026Nitrogen, ammonia total [as N], daily maximum71≤ 15.2 mg/L367%
February 2026Nitrogen, ammonia total [as N], 30-day average.768289≤ .08 lb/d860%
February 2026Nitrogen, ammonia total [as N], 30-day average103.25≤ 4 mg/L2481%
February 2026Nitrogen, ammonia total [as N], daily maximum.922904≤ .3 lb/d208%
February 2026Nitrogen, ammonia total [as N], daily maximum130≤ 14.2 mg/L815%
March 2026Nitrogen, ammonia total [as N], 30-day average.421023≤ .04 lb/d953%
March 2026Nitrogen, ammonia total [as N], 30-day average46.8≤ 2.1 mg/L2129%
March 2026Nitrogen, ammonia total [as N], daily maximum.541866≤ .31 lb/d75%
March 2026Nitrogen, ammonia total [as N], daily maximum74≤ 14.7 mg/L403%
March 2026pH, daily minimum6.34≥ 6.5 SU—
April 2026Nitrogen, ammonia total [as N], 30-day average.356429≤ .03 lb/d1088%
April 2026Nitrogen, ammonia total [as N], 30-day average32≤ 1.5 mg/L2033%
April 2026Nitrogen, ammonia total [as N], daily maximum.406616≤ .33 lb/d23%
April 2026Nitrogen, ammonia total [as N], daily maximum36≤ 15.7 mg/L129%
April 2026pH, daily minimum5.01≥ 6.5 SU—
May 2026Nitrogen, ammonia total [as N], 30-day average.199084≤ .04 lb/d398%
May 2026Nitrogen, ammonia total [as N], 30-day average15.75≤ 1.7 mg/L826%
May 2026Nitrogen, ammonia total [as N], daily maximum20≤ 15.2 mg/L32%
May 2026pH, daily minimum5≥ 6.5 SU—
June 2026Nitrogen, ammonia total [as N], 30-day average.291396≤ .03 lb/d871%
June 2026Nitrogen, ammonia total [as N], 30-day average20≤ 1.3 mg/L1438%
June 2026Nitrogen, ammonia total [as N], daily maximum.32953≤ .3 lb/d10%
June 2026Nitrogen, ammonia total [as N], daily maximum22≤ 14.4 mg/L53%
June 2026pH, daily minimum4.71≥ 6.5 SU—
July 2026Nitrogen, ammonia total [as N], 30-day average.299544≤ .02 lb/d1398%
July 2026Nitrogen, ammonia total [as N], 30-day average18.86666≤ 1 mg/L1787%
July 2026Nitrogen, ammonia total [as N], daily maximum.458808≤ .37 lb/d24%
July 2026Nitrogen, ammonia total [as N], daily maximum29≤ 17.6 mg/L65%
July 2026pH, daily minimum4.34≥ 6.5 SU—
August 2026Nitrogen, ammonia total [as N], 30-day average.04406≤ .02 lb/d120%
August 2026Nitrogen, ammonia total [as N], 30-day average2.5925≤ 1 mg/L159%

Limits in force (60)

ParameterStatisticLimitMonths
Oxygen, dissolved [DO]daily minimum≥ 5 mg/Lall year
pHdaily minimum≥ 6.5 SUall year
pHdaily maximum≤ 9 SUall year
Solids, total suspended30-day average≤ 30 mg/Lall year
Solids, total suspended7-day average≤ 45 mg/Lall year
Solids, total suspended30-day average≤ .63 lb/dall year
Solids, total suspended7-day average≤ .94 lb/dall year
Nitrogen, ammonia total [as N]30-day average≤ 1.3 mg/LJun
Nitrogen, ammonia total [as N]30-day average≤ 1 mg/LJul
Nitrogen, ammonia total [as N]30-day average≤ 1.1 mg/LSep
Nitrogen, ammonia total [as N]30-day average≤ 4 mg/LFeb
Nitrogen, ammonia total [as N]30-day average≤ 2.5 mg/LDec
Nitrogen, ammonia total [as N]30-day average≤ 2.1 mg/LMar
Nitrogen, ammonia total [as N]30-day average≤ 1.6 mg/LOct
Nitrogen, ammonia total [as N]30-day average≤ 3.4 mg/LJan
Nitrogen, ammonia total [as N]30-day average≤ 1.7 mg/LMay
Nitrogen, ammonia total [as N]30-day average≤ 2.3 mg/LNov
Nitrogen, ammonia total [as N]30-day average≤ 1.5 mg/LApr
Nitrogen, ammonia total [as N]30-day average≤ 1 mg/LAug
Nitrogen, ammonia total [as N]daily maximum≤ 14.4 mg/LJun
Nitrogen, ammonia total [as N]daily maximum≤ 17.6 mg/LJul
Nitrogen, ammonia total [as N]daily maximum≤ 16.5 mg/LSep
Nitrogen, ammonia total [as N]daily maximum≤ 14.2 mg/LFeb
Nitrogen, ammonia total [as N]daily maximum≤ 16 mg/LDec
Nitrogen, ammonia total [as N]daily maximum≤ 14.7 mg/LMar
Nitrogen, ammonia total [as N]daily maximum≤ 15.7 mg/LOct
Nitrogen, ammonia total [as N]daily maximum≤ 15.2 mg/LJan
Nitrogen, ammonia total [as N]daily maximum≤ 15.2 mg/LMay
Nitrogen, ammonia total [as N]daily maximum≤ 14.7 mg/LNov
Nitrogen, ammonia total [as N]daily maximum≤ 15.7 mg/LApr
Nitrogen, ammonia total [as N]daily maximum≤ 16.2 mg/LAug
Nitrogen, ammonia total [as N]30-day average≤ .03 lb/dJun
Nitrogen, ammonia total [as N]30-day average≤ .02 lb/dJul
Nitrogen, ammonia total [as N]30-day average≤ .02 lb/dSep
Nitrogen, ammonia total [as N]30-day average≤ .08 lb/dFeb
Nitrogen, ammonia total [as N]30-day average≤ .05 lb/dDec
Nitrogen, ammonia total [as N]30-day average≤ .04 lb/dMar
Nitrogen, ammonia total [as N]30-day average≤ .03 lb/dOct
Nitrogen, ammonia total [as N]30-day average≤ .07 lb/dJan
Nitrogen, ammonia total [as N]30-day average≤ .04 lb/dMay
Nitrogen, ammonia total [as N]30-day average≤ .05 lb/dNov
Nitrogen, ammonia total [as N]30-day average≤ .03 lb/dApr
Nitrogen, ammonia total [as N]30-day average≤ .02 lb/dAug
Nitrogen, ammonia total [as N]daily maximum≤ .3 lb/dJun
Nitrogen, ammonia total [as N]daily maximum≤ .37 lb/dJul
Nitrogen, ammonia total [as N]daily maximum≤ .34 lb/dSep
Nitrogen, ammonia total [as N]daily maximum≤ .3 lb/dFeb
Nitrogen, ammonia total [as N]daily maximum≤ .33 lb/dDec
Nitrogen, ammonia total [as N]daily maximum≤ .31 lb/dMar
Nitrogen, ammonia total [as N]daily maximum≤ .33 lb/dOct
Nitrogen, ammonia total [as N]daily maximum≤ .32 lb/dJan
Nitrogen, ammonia total [as N]daily maximum≤ .32 lb/dMay
Nitrogen, ammonia total [as N]daily maximum≤ .31 lb/dNov
Nitrogen, ammonia total [as N]daily maximum≤ .33 lb/dApr
Nitrogen, ammonia total [as N]daily maximum≤ .34 lb/dAug
E. coligeometric mean≤ 126 #/100mLMar–Nov
BOD, carbonaceous [5 day, 20 C]30-day average≤ 25 mg/Lall year
BOD, carbonaceous [5 day, 20 C]7-day average≤ 35 mg/Lall year
BOD, carbonaceous [5 day, 20 C]30-day average≤ .52 lb/dall year
BOD, carbonaceous [5 day, 20 C]7-day average≤ .73 lb/dall year

How strict are these limits?

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

Same industry: the 8 Automotive Dealers and Gasoline Service Stations permits in Iowa.

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Your permit document is the final word. As JSON: /api/v1/permits/IA0053388 · MCP: https://passage-data.com/mcp