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Crushed And Broken Limestone, major discharger, Presque Isle, Michigan. NPDES permit MI0003468 expired Oct 1, 2026; its limits still apply. Last 12 months: no values over a limit. Source: EPA ECHO, Oct 22, 2026.
| Parameter | Statistic | Limit | Months | Outfall |
|---|---|---|---|---|
| Temperature, water deg. fahrenheit | daily maximum | report only (deg F) | all year | 001 |
| Conductivity | daily maximum | report only (umho/cm) | all year | 001 |
| Oxygen, dissolved [DO] | daily minimum | ≥ 4 mg/L | all year | 001 |
| pH | daily minimum | ≥ 6.5 SU | all year | 001 |
| pH | daily maximum | ≤ 9 SU | all year | 001 |
| Solids, total suspended | monthly average | ≤ 20 mg/L | all year | 001 |
| Solids, total suspended | daily maximum | ≤ 30 mg/L | all year | 001 |
| Solids, total suspended | monthly average | ≤ 2200 lb/d | all year | 001 |
| Solids, total suspended | daily maximum | ≤ 3300 lb/d | all year | 001 |
| Sulfide, dissolved, [as S] | daily maximum | report only (ug/L) | all year | 001 |
| Sulfide, dissolved, [as S] | daily maximum | report only (lb/d) | all year | 001 |
| Flow, in conduit or thru treatment plant | monthly average | report only (MGD) | all year | 001 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 001 |
| Outfall observation,visual, y/n response | value | report only (N=0;Y=1) | all year | 001 |
| Temperature, water deg. fahrenheit | daily maximum | report only (deg F) | all year | 002 |
| Conductivity | daily maximum | report only (umho/cm) | all year | 002 |
| Oxygen, dissolved [DO] | daily minimum | ≥ 4 mg/L | all year | 002 |
| pH | daily minimum | ≥ 6.5 SU | all year | 002 |
| pH | daily minimum | ≥ 6.5 SU | all year | 002 |
| pH | daily maximum | ≤ 9 SU | all year | 002 |
| pH | daily maximum | ≤ 9 SU | all year | 002 |
| Solids, total suspended | monthly average | ≤ 20 mg/L | all year | 002 |
| Solids, total suspended | daily maximum | ≤ 30 mg/L | all year | 002 |
| Solids, total suspended | monthly average | ≤ 1300 lb/d | all year | 002 |
| Solids, total suspended | daily maximum | ≤ 2000 lb/d | all year | 002 |
| Sulfide, dissolved, [as S] | daily maximum | report only (ug/L) | all year | 002 |
| Sulfide, dissolved, [as S] | daily maximum | report only (lb/d) | all year | 002 |
| Benzene, ethylbenzene, toluene, xylene combination | daily maximum | ≤ 20 ug/L | all year | 002 |
| Benzene, ethylbenzene, toluene, xylene combination | daily maximum | report only (ug/L) | all year | 002 |
| Equipment inspection - visual | value | report only (N=0;Y=1) | all year | 002 |
| Flow, in conduit or thru treatment plant | monthly average | report only (MGD) | all year | 002 |
| Flow, in conduit or thru treatment plant | monthly average | report only (MGD) | all year | 002 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 002 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 002 |
| Chlorine, total residual | daily maximum | = 38 ug/L | all year | 002 |
| Chlorine, total residual | daily geometric mean | = 200 ug/L | all year | 002 |
| Chlorine, total residual | instantaneous maximum | = 300 ug/L | all year | 002 |
| Chlorination duration | daily maximum | report only (min/d) | all year | 002 |
| Chlorination duration | daily maximum | = 160 min/d | all year | 002 |
| Outfall observation,visual, y/n response | value | report only (N=0;Y=1) | all year | 002 |
| Oxygen, dissolved [DO] | daily minimum | ≥ 3 mg/L | all year | 003 |
| pH | daily minimum | ≥ 6.5 SU | all year | 003 |
| pH | daily maximum | ≤ 9 SU | all year | 003 |
| Solids, total suspended | monthly average | ≤ 20 mg/L | all year | 003 |
| Solids, total suspended | daily maximum | ≤ 30 mg/L | all year | 003 |
| Solids, total suspended | monthly average | ≤ 1000 lb/d | all year | 003 |
| Solids, total suspended | daily maximum | ≤ 1500 lb/d | all year | 003 |
| Flow, in conduit or thru treatment plant | monthly average | report only (MGD) | all year | 003 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 003 |
| Outfall observation,visual, y/n response | value | report only (N=0;Y=1) | all year | 003 |
| Temperature, water deg. fahrenheit | daily maximum | report only (deg F) | all year | 004 |
| Conductivity | daily maximum | report only (umho/cm) | all year | 004 |
| Oxygen, dissolved [DO] | daily minimum | ≥ 3 mg/L | all year | 004 |
| pH | daily minimum | ≥ 6.5 SU | all year | 004 |
| pH | daily maximum | ≤ 9 SU | all year | 004 |
| Solids, total suspended | monthly average | ≤ 20 mg/L | all year | 004 |
| Solids, total suspended | daily maximum | ≤ 30 mg/L | all year | 004 |
| Solids, total suspended | monthly average | ≤ 7300 lb/d | all year | 004 |
| Solids, total suspended | daily maximum | ≤ 11000 lb/d | all year | 004 |
| Sulfide, dissolved, [as S] | daily maximum | report only (ug/L) | all year | 004 |
| Sulfide, dissolved, [as S] | daily maximum | report only (lb/d) | all year | 004 |
| Chloride [as Cl] | daily maximum | report only (mg/L) | all year | 004 |
| Sulfate, total [as SO4] | daily maximum | report only (mg/L) | all year | 004 |
| Flow, in conduit or thru treatment plant | monthly average | report only (MGD) | 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 |
| Solids, total dissolved | daily maximum | report only (lb/d) | all year | 004 |
| Outfall observation,visual, y/n response | value | report only (N=0;Y=1) | all year | 004 |
| Temperature, water deg. fahrenheit | daily maximum | report only (deg F) | all year | 005 |
| Conductivity | daily maximum | report only (umho/cm) | all year | 005 |
| Oxygen, dissolved [DO] | daily minimum | ≥ 3 mg/L | all year | 005 |
| pH | daily minimum | ≥ 6.5 SU | all year | 005 |
| pH | daily maximum | ≤ 9 SU | all year | 005 |
| Solids, total suspended | monthly average | ≤ 20 mg/L | all year | 005 |
| Solids, total suspended | daily maximum | ≤ 30 mg/L | all year | 005 |
| Solids, total suspended | monthly average | ≤ 1300 lb/d | all year | 005 |
| Solids, total suspended | daily maximum | ≤ 2000 lb/d | all year | 005 |
| Sulfide, dissolved, [as S] | daily maximum | report only (ug/L) | all year | 005 |
| Sulfide, dissolved, [as S] | daily maximum | report only (lb/d) | all year | 005 |
| Selenium, total [as Se] | monthly average | = 55 ug/L | all year | 005 |
| Selenium, total [as Se] | monthly average | = 3.7 lb/d | all year | 005 |
| Flow, in conduit or thru treatment plant | monthly average | report only (MGD) | all year | 005 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 005 |
| Outfall observation,visual, y/n response | value | report only (N=0;Y=1) | all year | 005 |
| Oxygen, dissolved [DO] | daily minimum | ≥ 3 mg/L | all year | 006 |
| pH | daily minimum | ≥ 6.5 SU | all year | 006 |
| pH | daily maximum | ≤ 9 SU | all year | 006 |
| Solids, total suspended | monthly average | ≤ 20 mg/L | all year | 006 |
| Solids, total suspended | daily maximum | ≤ 30 mg/L | all year | 006 |
| Solids, total suspended | monthly average | ≤ 330 lb/d | all year | 006 |
| Solids, total suspended | daily maximum | ≤ 500 lb/d | all year | 006 |
| Flow, in conduit or thru treatment plant | monthly average | report only (MGD) | all year | 006 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 006 |
| Outfall observation,visual, y/n response | value | report only (N=0;Y=1) | all year | 006 |
| Flow, in conduit or thru treatment plant | monthly average | report only (MGD) | all year | INT |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | INT |
Cited limits by parameter: Michigan's rules and the federal ones.
Same industry: the 17 Mining and Quarrying of Nonmetallic Minerals permits in Michigan.
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On EPA ECHO: Facility report · DMR history
Your permit document is the final word. As JSON: /api/v1/permits/MI0003468 · MCP: https://passage-data.com/mcp