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Gasoline Service Stations, Knoxville, Tennessee. NPDES permit TN0064556, in force until Aug 31, 2027. Last 12 months: over a limit 14 times (last September 2026), 1 of 12 reports late. Source: EPA ECHO, Oct 22, 2026.
| Period ending | Parameter | Reported | Limit | Over by |
|---|---|---|---|---|
| November 2025 | E. coli, daily maximum | 2000 #/100mL | ≤ 941 #/100mL | 113% |
| January 2026 | pH, maximum | 9.1 SU | ≤ 9 SU | — |
| March 2026 | pH, maximum | 9.04 SU | ≤ 9 SU | — |
| April 2026 | E. coli, daily maximum | 15000 #/100mL | ≤ 941 #/100mL | 1494% |
| April 2026 | E. coli, geometric mean | 509.84 #/100mL | ≤ 126 #/100mL | 305% |
| April 2026 | pH, maximum | 9.73 SU | ≤ 9 SU | — |
| May 2026 | E. coli, daily maximum | 32000 #/100mL | ≤ 941 #/100mL | 3301% |
| May 2026 | E. coli, geometric mean | 179 #/100mL | ≤ 126 #/100mL | 42% |
| May 2026 | pH, maximum | 9.52 SU | ≤ 9 SU | — |
| July 2026 | E. coli, daily maximum | 6800 #/100mL | ≤ 941 #/100mL | 623% |
| July 2026 | E. coli, geometric mean | 1039.12 #/100mL | ≤ 126 #/100mL | 725% |
| August 2026 | E. coli, daily maximum | 15000 #/100mL | ≤ 941 #/100mL | 1494% |
| August 2026 | E. coli, geometric mean | 3257.1 #/100mL | ≤ 126 #/100mL | 2485% |
| September 2026 | pH, maximum | 9.04 SU | ≤ 9 SU | — |
| Parameter | Statistic | Limit | Months |
|---|---|---|---|
| pH | minimum | ≥ 6 SU | all year |
| pH | maximum | ≤ 9 SU | all year |
| Solids, total suspended | daily maximum | ≤ 40 mg/L | all year |
| Oil and grease | daily maximum | ≤ 15 mg/L | all year |
| Benzene | daily maximum | ≤ .5 mg/L | all year |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year |
| E. coli | daily maximum | ≤ 941 #/100mL | all year |
| E. coli | geometric mean | ≤ 126 #/100mL | all year |
Cited limits by parameter: Tennessee's rules and the federal ones.
Same industry: the 13 Automotive Dealers and Gasoline Service Stations permits in Tennessee.
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On EPA ECHO: Facility report · DMR history
Your permit document is the final word. As JSON: /api/v1/permits/TN0064556 · MCP: https://passage-data.com/mcp