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Airports, Flying Fields, & Services, Salt Lake City, Utah. NPDES permit UT0024988 expired Mar 13, 2019; its limits still apply. Last 12 months: no values over a limit, 5 of 55 reports late. Source: EPA ECHO, Oct 22, 2026.
| Parameter | Statistic | Limit | Months | Outfall |
|---|---|---|---|---|
| BOD, 5-day, 20 deg. C | 30-day average | report only (mg/L) | all year | 001 |
| BOD, 5-day, 20 deg. C | 7-day average | report only (mg/L) | all year | 001 |
| pH | minimum | ≥ 6.5 SU | all year | 001 |
| pH | maximum | ≤ 9 SU | all year | 001 |
| Solids, total suspended | 30-day average | report only (mg/L) | all year | 001 |
| Solids, total suspended | 7-day average | report only (mg/L) | all year | 001 |
| Oil and grease | daily maximum | ≤ 10 mg/L | all year | 001 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 001 |
| Solids, total dissolved | daily maximum | report only (mg/L) | all year | 001 |
| BOD, 5-day, 20 deg. C | 30-day average | report only (mg/L) | all year | 002 |
| BOD, 5-day, 20 deg. C | 7-day average | report only (mg/L) | all year | 002 |
| pH | minimum | ≥ 6.5 SU | all year | 002 |
| pH | maximum | ≤ 9 SU | all year | 002 |
| Solids, total suspended | 30-day average | report only (mg/L) | all year | 002 |
| Solids, total suspended | 7-day average | report only (mg/L) | all year | 002 |
| Oil and grease | daily maximum | ≤ 10 mg/L | all year | 002 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 002 |
| Solids, total dissolved | daily maximum | report only (mg/L) | all year | 002 |
| BOD, 5-day, 20 deg. C | 30-day average | report only (mg/L) | all year | 003 |
| BOD, 5-day, 20 deg. C | 7-day average | report only (mg/L) | all year | 003 |
| pH | minimum | ≥ 6.5 SU | all year | 003 |
| pH | daily maximum | ≤ 9 SU | all year | 003 |
| Solids, total suspended | 30-day average | report only (mg/L) | all year | 003 |
| Solids, total suspended | 7-day average | report only (mg/L) | all year | 003 |
| Oil and grease | daily maximum | ≤ 10 mg/L | all year | 003 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 003 |
| Solids, total dissolved | daily maximum | report only (mg/L) | all year | 003 |
| BOD, 5-day, 20 deg. C | 30-day average | report only (mg/L) | all year | 004 |
| BOD, 5-day, 20 deg. C | 7-day average | report only (mg/L) | all year | 004 |
| pH | minimum | ≥ 6.5 SU | all year | 004 |
| pH | daily maximum | ≤ 9 SU | all year | 004 |
| Solids, total suspended | 30-day average | report only (mg/L) | all year | 004 |
| Solids, total suspended | daily maximum | report only (mg/L) | all year | 004 |
| Oil and grease | daily maximum | ≤ 10 mg/L | all year | 004 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 004 |
| Solids, total dissolved | daily maximum | report only (mg/L) | all year | 004 |
| BOD, 5-day, 20 deg. C | 30-day average | report only (mg/L) | all year | 005 |
| BOD, 5-day, 20 deg. C | 7-day average | report only (mg/L) | all year | 005 |
| pH | minimum | ≥ 6.5 SU | all year | 005 |
| pH | daily maximum | ≤ 9 SU | all year | 005 |
| Solids, total suspended | 30-day average | report only (mg/L) | all year | 005 |
| Solids, total suspended | 7-day average | report only (mg/L) | all year | 005 |
| Oil and grease | daily maximum | ≤ 10 mg/L | all year | 005 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 005 |
| Solids, total dissolved | daily maximum | report only (mg/L) | all year | 005 |
Cited limits by parameter: Utah's rules and the federal ones.
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