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Crushed And Broken Limestone, Kansas City, Missouri. NPDES permit MO0139173 expired Apr 30, 2024; its limits still apply. Last 12 months: over a limit 4 times (last July 2026). Source: EPA ECHO, Oct 22, 2026.
| Period ending | Parameter | Reported | Limit | Over by |
|---|---|---|---|---|
| July 2026 | Chloride, daily maximum | 25100 | ≤ 17000 mg/L | 48% |
| July 2026 | Chloride, monthly average | 15550 | ≤ 13000 mg/L | 20% |
| July 2026 | Sulfate [as S], daily maximum | 1420 | ≤ 1400 mg/L | 1% |
| July 2026 | Sulfate [as S], monthly average | 1180 | ≤ 1100 mg/L | 7% |
| Parameter | Statistic | Limit | Months |
|---|---|---|---|
| Sulfate [as S] | daily maximum | ≤ 1400 mg/L | all year |
| Sulfate [as S] | monthly average | ≤ 1100 mg/L | all year |
| pH | minimum | ≥ 6 SU | all year |
| pH | maximum | ≤ 9 SU | all year |
| Solids, total suspended | daily maximum | ≤ 70 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 |
| Chloride | daily maximum | ≤ 17000 mg/L | all year |
| Chloride | monthly average | ≤ 13000 mg/L | all year |
| 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 |
| Chlorides + Sulfates | daily maximum | report only (mg/L) | all year |
| Chlorides + Sulfates | monthly average | report only (mg/L) | all year |
Cited limits by parameter: Missouri's rules and the federal ones.
Same industry: the 7 Mining and Quarrying of Nonmetallic Minerals 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/MO0139173 · MCP: https://passage-data.com/mcp