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Gasoline Service Stations, Columbia, Missouri. NPDES permit MO0100862, in force until Oct 31, 2030. Last 12 months: over a limit 25 times (last August 2026). Source: EPA ECHO, Oct 22, 2026.
| Period ending | Parameter | Reported | Limit | Over by |
|---|---|---|---|---|
| October 2025 | E. coli, 30-day geometric mean | 1940 | ≤ 206 #/100mL | 842% |
| October 2025 | E. coli, daily maximum | 1940 | ≤ 1030 #/100mL | 88% |
| October 2025 | Nitrogen, ammonia total [as N], monthly average | 7 | ≤ 1.8 mg/L | 289% |
| October 2025 | Solids, total suspended, monthly average | 75.7 | ≤ 70 mg/L | 8% |
| November 2025 | Nitrogen, ammonia total [as N], monthly average | 7 | ≤ 2.4 mg/L | 192% |
| December 2025 | Nitrogen, ammonia total [as N], monthly average | 5.6 | ≤ 2.7 mg/L | 107% |
| January 2026 | Nitrogen, ammonia total [as N], monthly average | 4.9 | ≤ 3.1 mg/L | 58% |
| February 2026 | Nitrogen, ammonia total [as N], monthly average | 5 | ≤ 3.1 mg/L | 61% |
| March 2026 | Nitrogen, ammonia total [as N], monthly average | 3.9 | ≤ 2.7 mg/L | 44% |
| April 2026 | E. coli, daily maximum | 1560 | ≤ 1030 #/100mL | 51% |
| May 2026 | E. coli, 30-day geometric mean | 3740 | ≤ 206 #/100mL | 1716% |
| May 2026 | E. coli, daily maximum | 3740 | ≤ 1030 #/100mL | 263% |
| May 2026 | Nitrogen, ammonia total [as N], monthly average | 3.5 | ≤ 2.1 mg/L | 67% |
| June 2026 | E. coli, 30-day geometric mean | 15400 | ≤ 206 #/100mL | 7376% |
| June 2026 | E. coli, daily maximum | 15400 | ≤ 1030 #/100mL | 1395% |
| June 2026 | Nitrogen, ammonia total [as N], monthly average | 5.6 | ≤ 1.3 mg/L | 331% |
| July 2026 | E. coli, 30-day geometric mean | 15500 | ≤ 206 #/100mL | 7424% |
| July 2026 | E. coli, daily maximum | 15500 | ≤ 1030 #/100mL | 1405% |
| July 2026 | Nitrogen, ammonia total [as N], daily maximum | 14.6 | ≤ 8.4 mg/L | 74% |
| July 2026 | Nitrogen, ammonia total [as N], monthly average | 14.6 | ≤ .9 mg/L | 1522% |
| August 2026 | BOD, 5-day, 20 deg. C, monthly average | 96 | ≤ 45 mg/L | 113% |
| August 2026 | BOD, 5-day, 20 deg. C, weekly average | 96 | ≤ 65 mg/L | 48% |
| August 2026 | E. coli, 30-day geometric mean | 32300 | ≤ 206 #/100mL | 15580% |
| August 2026 | E. coli, daily maximum | 32300 | ≤ 1030 #/100mL | 3036% |
| August 2026 | Nitrogen, ammonia total [as N], monthly average | 3 | ≤ .9 mg/L | 233% |
| Parameter | Statistic | Limit | Months |
|---|---|---|---|
| BOD, 5-day, 20 deg. C | weekly average | ≤ 65 mg/L | all year |
| BOD, 5-day, 20 deg. C | monthly average | ≤ 45 mg/L | all year |
| pH | minimum | ≥ 6.5 SU | all year |
| pH | maximum | ≤ 9 SU | all year |
| Solids, total suspended | weekly average | ≤ 110 mg/L | all year |
| Solids, total suspended | monthly average | ≤ 70 mg/L | all year |
| Oil and grease [soxhlet extr.] tot. | daily maximum | ≤ 15 mg/L | all year |
| Oil and grease [soxhlet extr.] tot. | monthly average | ≤ 10 mg/L | all year |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 8.4 mg/L | Apr |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 8.4 mg/L | Oct |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 12.1 mg/L | May |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 10.1 mg/L | Mar, Dec |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 8.4 mg/L | Sep |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 12.1 mg/L | Jan, Feb |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 8.4 mg/L | Nov |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 8.4 mg/L | Jul, Aug |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 10.1 mg/L | Jun |
| Nitrogen, ammonia total [as N] | monthly average | ≤ 2.1 mg/L | Apr |
| Nitrogen, ammonia total [as N] | monthly average | ≤ 1.8 mg/L | Oct |
| Nitrogen, ammonia total [as N] | monthly average | ≤ 2.1 mg/L | May |
| Nitrogen, ammonia total [as N] | monthly average | ≤ 2.7 mg/L | Mar, Dec |
| Nitrogen, ammonia total [as N] | monthly average | ≤ 1.2 mg/L | Sep |
| Nitrogen, ammonia total [as N] | monthly average | ≤ 3.1 mg/L | Jan, Feb |
| Nitrogen, ammonia total [as N] | monthly average | ≤ 2.4 mg/L | Nov |
| Nitrogen, ammonia total [as N] | monthly average | ≤ .9 mg/L | Jul, Aug |
| Nitrogen, ammonia total [as N] | monthly average | ≤ 1.3 mg/L | Jun |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year |
| Flow, in conduit or thru treatment plant | monthly average | report only (MGD) | all year |
| E. coli | daily maximum | ≤ 1030 #/100mL | Apr–Oct |
| E. coli | 30-day geometric mean | ≤ 206 #/100mL | Apr–Oct |
Cited limits by parameter: Missouri's rules and the federal ones.
Same industry: the 17 Automotive Dealers and Gasoline Service Stations permits in Missouri.
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On EPA ECHO: Facility report · DMR history
Your permit document is the final word. As JSON: /api/v1/permits/MO0100862 · MCP: https://passage-data.com/mcp