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Ta Operating Llc

Gasoline Service Stations, Kingman, Arizona. NPDES permit AZ0022756, in force until Nov 29, 2026. Last 12 months: over a limit 17 times (last July 2026), 2 required values missing. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 30 days after each period: outfall 001 form A monthly (25 values), outfall 001 form Q quarterly (28 values), outfall INF form A monthly (4 values), outfall 001 form S twice a year, outfall 001 form Y yearly
Renewal application due
Jun 2, 2026 · 180 days before expiry; your permit may set another date
Last report on file
August 2026
Oct 2024 – Sep 2025
24 values over a limit, 0 required values missing, 0 of 31 reports late

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

All 17 values over a limit
Period endingParameterReportedLimitOver by
December 2025Mercury, total recoverable, daily maximum.019 g/d≤ .005 g/d280%
December 2025Mercury, total recoverable, daily maximum.17 ug/L≤ .02 ug/L750%
December 2025Mercury, total recoverable, monthly average.005 g/d≤ .002 g/d150%
December 2025Mercury, total recoverable, monthly average.05 ug/L≤ .01 ug/L400%
February 2026BOD, 5-day, 20 deg. C, monthly average41 mg/L≤ 30 mg/L37%
March 2026Mercury, total recoverable, daily maximum.0129 g/d≤ .005 g/d158%
March 2026Mercury, total recoverable, daily maximum.31 ug/L≤ .02 ug/L1450%
March 2026Mercury, total recoverable, monthly average.0046 g/d≤ .002 g/d130%
March 2026Mercury, total recoverable, monthly average.11 ug/L≤ .01 ug/L1000%
March 2026Zinc, total recoverable, monthly average310 ug/L≤ 189 ug/L64%
June 2026Mercury, total recoverable, daily maximum.007 g/d≤ .005 g/d40%
June 2026Mercury, total recoverable, daily maximum.13 ug/L≤ .02 ug/L550%
June 2026Mercury, total recoverable, monthly average.04 ug/L≤ .01 ug/L300%
July 2026BOD, 5-day, 20 deg. C, monthly average66 mg/L≤ 30 mg/L120%
July 2026BOD, 5-day, 20 deg. C, weekly average66 mg/L≤ 45 mg/L47%
July 2026E. coli, colony forming units [CFU], daily maximum2419.6 CFU/100mL≤ 575 CFU/100mL321%
July 2026E. coli, colony forming units [CFU], monthly average338.8 CFU/100mL≤ 126 CFU/100mL169%

Limits in force (92)

ParameterStatisticLimitMonthsOutfall
Temperature, water deg. centigrademonthly averagereport only (deg C)all year001
Temperature, water deg. centigradedaily maximumreport only (deg C)all year001
Temperature, water deg. centigradedaily maximumreport only (deg C)all year001
Oxygen, dissolved [DO]daily maximumreport only (mg/L)all year001
BOD, 5-day, 20 deg. Cmonthly average≤ 30 mg/Lall year001
BOD, 5-day, 20 deg. Cweekly average≤ 45 mg/Lall year001
BOD, 5-day, 20 deg. Cdaily maximumreport only (mg/L)all year001
BOD, 5-day, 20 deg. Cmonthly average≤ 9.1 kg/dall year001
BOD, 5-day, 20 deg. Cweekly average≤ 14 kg/dall year001
pHminimum≥ 6.5 SUall year001
pHminimumreport only (SU)all year001
pHmaximum≤ 9 SUall year001
pHmaximumreport only (SU)all year001
Solids, total suspendedmonthly average≤ 30 mg/Lall year001
Solids, total suspendedweekly average≤ 45 mg/Lall year001
Solids, total suspendeddaily maximumreport only (mg/L)all year001
Solids, total suspendedmonthly average≤ 9.1 kg/dall year001
Solids, total suspendedweekly average≤ 14 kg/dall year001
Oil & Greasemonthly average≤ 10 mg/Lall year001
Oil & Greasedaily maximum≤ 15 mg/Lall year001
Oil & Greasemonthly average≤ 3 kg/dall year001
Oil & Greasedaily maximum≤ 4.5 kg/dall year001
Nitrogen, ammonia total [as N]monthly average≤ 1 Ratioall year001
Nitrogen, ammonia total [as N]daily maximumreport only (mg/L)all year001
Nitrogen, ammonia total [as N]daily maximum≤ 2 Ratioall year001
Nitrogen, Kjeldahl, total [as N]daily maximumreport only (mg/L)all year001
Nitrite + Nitrate total [as N]daily maximumreport only (mg/L)all year001
Phosphorus, total [as P]daily maximumreport only (mg/L)all year001
Cyanide, total [as CN]monthly average≤ 8 ug/Lall year001
Cyanide, total [as CN]daily maximumreport only (ug/L)all year001
Cyanide, total [as CN]daily maximum≤ 16 ug/Lall year001
Cyanide, total [as CN]monthly average≤ 2.4 g/dall year001
Cyanide, total [as CN]daily maximum≤ 4.8 g/dall year001
Sulfide, total [as S]monthly averagereport only (ug/L)all year001
Sulfide, total [as S]daily maximumreport only (ug/L)all year001
Hardness, total [as CaCO3]daily maximumreport only (mg/L)all year001
Hardness, total [as CaCO3]daily maximumreport only (ug/L)all year001
Arsenic, total recoverabledaily maximumreport only (ug/L)all year001
Iron, total recoverabledaily maximumreport only (ug/L)all year001
Selenium, total recoverabledaily maximumreport only (ug/L)all year001
Thallium, total recoverabledaily maximumreport only (ug/L)all year001
Beryllium, total recoverable [as Be]daily maximumreport only (ug/L)all year001
Chromium, total [as Cr]monthly averagereport only (ug/L)all year001
Chromium, total [as Cr]daily maximumreport only (ug/L)all year001
Nickel, total recoverabledaily maximumreport only (ug/L)all year001
Silver total recoverabledaily maximumreport only (ug/L)all year001
Zinc, total recoverablemonthly average≤ 189 ug/Lall year001
Zinc, total recoverabledaily maximum≤ 379 ug/Lall year001
Zinc, total recoverablemonthly average≤ 57.2 g/dall year001
Zinc, total recoverabledaily maximum≤ 115 g/dall year001
Cadmium, total recoverabledaily maximumreport only (ug/L)all year001
Lead, total recoverabledaily maximumreport only (ug/L)all year001
Chromium, total recoverabledaily maximumreport only (ug/L)all year001
Copper, total recoverablemonthly average≤ 24 ug/Lall year001
Copper, total recoverabledaily maximum≤ 48 ug/Lall year001
Copper, total recoverablemonthly average≤ 7.23 g/dall year001
Copper, total recoverabledaily maximum≤ 14.6 g/dall year001
Chromium, hexavalent dissolved [as Cr]monthly averagereport only (ug/L)all year001
Chromium, hexavalent dissolved [as Cr]daily maximumreport only (ug/L)all year001
Chromium, hexavalent dissolved [as Cr]daily maximumreport only (ug/L)all year001
Antimony, total recoverabledaily maximumreport only (ug/L)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 residualmonthly average≤ 9 ug/Lall year001
Chlorine, total residualdaily maximum≤ 18 ug/Lall year001
Chlorine, total residualdaily maximumreport only (ug/L)all year001
Chlorine, total residualmonthly average≤ 2.7 g/dall year001
Chlorine, total residualdaily maximum≤ 5.5 g/dall year001
E. coli, colony forming units [CFU]monthly average≤ 126 CFU/100mLall year001
E. coli, colony forming units [CFU]daily maximumreport only (CFU/100mL)all year001
E. coli, colony forming units [CFU]daily maximum≤ 575 CFU/100mLall year001
Solids, total dissolveddaily maximumreport only (mg/L)all year001
Hydrogen sulfidemonthly averagereport only (ug/L)all year001
Hydrogen sulfidedaily maximumreport only (ug/L)all year001
Hydrogen sulfidedaily maximumreport only (ug/L)all year001
Mercury, total recoverablemonthly average≤ .01 ug/Lall year001
Mercury, total recoverabledaily maximum≤ .02 ug/Lall year001
Mercury, total recoverabledaily maximumreport only (ug/L)all year001
Mercury, total recoverablemonthly average≤ .002 g/dall year001
Mercury, total recoverabledaily maximum≤ .005 g/dall year001
BOD, 5-day, percent removalmonthly average minimum≥ 85 %all year001
Solids, suspended percent removalmonthly average minimum≥ 85 %all year001
TU Static 4 Day Chronic Raphidocelis subcapitata (formerly Selenastrum capricornutum)monthly medianreport only (tox chronic)all year001
TU Static 4 Day Chronic Raphidocelis subcapitata (formerly Selenastrum capricornutum)daily maximumreport only (tox chronic)all year001
Static 7Day Chronic Pimephales Promelasmonthly medianreport only (tox chronic)all year001
Static 7Day Chronic Pimephales Promelasdaily maximumreport only (tox chronic)all year001
TU Static Renewal 7-Day Chronic Ceriodaphnia dubiamonthly medianreport only (tox chronic)all year001
TU Static Renewal 7-Day Chronic Ceriodaphnia dubiadaily maximumreport only (tox chronic)all year001
BOD, 5-day, 20 deg. Cmonthly averagereport only (mg/L)all yearINF
BOD, 5-day, 20 deg. Cweekly averagereport only (mg/L)all yearINF
Solids, total suspendedmonthly averagereport only (mg/L)all yearINF
Solids, total suspendedweekly averagereport only (mg/L)all yearINF

How strict are these limits?

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

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Your permit document is the final word. As JSON: /api/v1/permits/AZ0022756 · MCP: https://passage-data.com/mcp