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Crushed And Broken Limestone, major discharger, Charlevoix, Michigan. NPDES permit MI0003158, in force until Oct 1, 2029. Last 12 months: over a limit 11 times (last August 2026). Source: EPA ECHO, Oct 22, 2026.
| Period ending | Outfall | Parameter | Reported | Limit | Over by |
|---|---|---|---|---|---|
| November 2025 | 002 | Diesel range organics diesel, total, wtr, daily maximum | 215 | ≤ 100 ug/L | 115% |
| December 2025 | 002 | Diesel range organics diesel, total, wtr, daily maximum | 745 | ≤ 100 ug/L | 645% |
| January 2026 | 002 | Diesel range organics diesel, total, wtr, daily maximum | 3090 | ≤ 100 ug/L | 2990% |
| January 2026 | 004 | pH, daily maximum | 9.2 | ≤ 9 SU | — |
| February 2026 | 002 | Diesel range organics diesel, total, wtr, daily maximum | 389 | ≤ 100 ug/L | 289% |
| March 2026 | 002 | Diesel range organics diesel, total, wtr, daily maximum | 360 | ≤ 100 ug/L | 260% |
| April 2026 | 002 | Diesel range organics diesel, total, wtr, daily maximum | 190 | ≤ 100 ug/L | 90% |
| May 2026 | 002 | Diesel range organics diesel, total, wtr, daily maximum | 245 | ≤ 100 ug/L | 145% |
| June 2026 | 002 | Diesel range organics diesel, total, wtr, daily maximum | 214 | ≤ 100 ug/L | 114% |
| July 2026 | 002 | Diesel range organics diesel, total, wtr, daily maximum | 269 | ≤ 100 ug/L | 169% |
| August 2026 | 002 | Diesel range organics diesel, total, wtr, daily maximum | 460 | ≤ 100 ug/L | 360% |
| Parameter | Statistic | Limit | Months | Outfall |
|---|---|---|---|---|
| Temperature, water deg. fahrenheit | daily maximum | report only (deg F) | 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 | ≤ 30 mg/L | all year | 001 |
| Solids, total suspended | daily maximum | ≤ 45 mg/L | all year | 001 |
| Potassium, total [as K] | daily maximum | report only (mg/L) | all year | 001 |
| Chloride [as Cl] | daily maximum | report only (mg/L) | all year | 001 |
| Sulfate, total [as SO4] | daily maximum | report only (mg/L) | 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 |
| Chlorine, total residual | daily maximum | ≤ 38 ug/L | all year | 001 |
| Chlorine, total residual | daily geometric mean | ≤ 200 ug/L | all year | 001 |
| Chlorine, total residual | instantaneous maximum | ≤ 300 ug/L | all year | 001 |
| Solids, total dissolved | daily maximum | report only (mg/L) | all year | 001 |
| Mercury, total [as Hg] | monthly average | report only (ng/L) | all year | 001 |
| Mercury, total [as Hg] | daily maximum | report only (ng/L) | all year | 001 |
| Mercury, total [as Hg] | monthly average | report only (lb/d) | all year | 001 |
| Mercury, total [as Hg] | daily maximum | report only (lb/d) | all year | 001 |
| Mercury, total [as Hg] | 12-month average | ≤ 2 ng/L | all year | 001 |
| Mercury, total [as Hg] | 12-month average | ≤ .00005 lb/d | all year | 001 |
| Chlorination duration | daily maximum | report only (min/d) | all year | 001 |
| Chlorination duration | daily maximum | ≤ 160 min/d | 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 |
| pH | daily minimum | ≥ 6.5 SU | all year | 002 |
| pH | daily maximum | ≤ 9 SU | all year | 002 |
| Solids, total suspended | monthly average | ≤ 30 mg/L | all year | 002 |
| Solids, total suspended | daily maximum | ≤ 45 mg/L | all year | 002 |
| Potassium, total [as K] | daily maximum | report only (mg/L) | all year | 002 |
| Chloride [as Cl] | daily maximum | report only (mg/L) | all year | 002 |
| Sulfate, total [as SO4] | daily maximum | report only (mg/L) | all year | 002 |
| Benzene, ethylbenzene, toluene, xylene combination | daily maximum | ≤ 20 ug/L | all year | 002 |
| Toluene | daily maximum | report only (ug/L) | all year | 002 |
| Toluene | daily maximum | report only (ug/L) | all year | 002 |
| Toluene | daily maximum | report only (ug/L) | all year | 002 |
| Benzene | daily maximum | ≤ 5 ug/L | all year | 002 |
| Benzene | daily maximum | report only (ug/L) | all year | 002 |
| Benzene | daily maximum | report only (ug/L) | all year | 002 |
| Ethylbenzene | daily maximum | report only (ug/L) | all year | 002 |
| Ethylbenzene | daily maximum | report only (ug/L) | all year | 002 |
| Ethylbenzene | daily maximum | report only (ug/L) | all year | 002 |
| Naphthalene | daily maximum | ≤ 5 ug/L | all year | 002 |
| Naphthalene | daily maximum | report only (ug/L) | all year | 002 |
| Naphthalene | daily maximum | report only (ug/L) | all year | 002 |
| Equipment inspection - visual | value | report only (N=0;Y=1) | all year | 002 |
| Diesel range organics diesel, total, wtr | daily maximum | ≤ 100 ug/L | all year | 002 |
| Diesel range organics diesel, total, wtr | daily maximum | report only (ug/L) | all year | 002 |
| Diesel range organics diesel, total, wtr | daily maximum | report only (ug/L) | 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 |
| Solids, total dissolved | daily maximum | report only (mg/L) | all year | 002 |
| Mercury, total [as Hg] | monthly average | report only (ng/L) | all year | 002 |
| Mercury, total [as Hg] | daily maximum | report only (ng/L) | all year | 002 |
| Mercury, total [as Hg] | monthly average | report only (lb/d) | all year | 002 |
| Mercury, total [as Hg] | daily maximum | report only (lb/d) | all year | 002 |
| Chlorination duration | daily maximum | report only (min/d) | all year | 002 |
| Chlorination duration | daily maximum | ≤ 160 min/d | all year | 002 |
| Xylene [mix of m+o+p] | daily maximum | report only (ug/L) | all year | 002 |
| Xylene [mix of m+o+p] | daily maximum | report only (ug/L) | all year | 002 |
| Xylene [mix of m+o+p] | daily maximum | report only (ug/L) | all year | 002 |
| Outfall observation,visual, y/n response | value | report only (N=0;Y=1) | all year | 002 |
| pH | daily minimum | ≥ 6.5 SU | all year | 003 |
| pH | daily maximum | ≤ 9 SU | all year | 003 |
| Solids, total suspended | monthly average | ≤ 30 mg/L | all year | 003 |
| Solids, total suspended | daily maximum | ≤ 45 mg/L | all year | 003 |
| Potassium, total [as K] | daily maximum | report only (mg/L) | all year | 003 |
| Chloride [as Cl] | daily maximum | report only (mg/L) | all year | 003 |
| Sulfate, total [as SO4] | daily maximum | report only (mg/L) | 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 |
| Solids, total dissolved | daily maximum | report only (mg/L) | all year | 003 |
| Outfall observation,visual, y/n response | value | report only (N=0;Y=1) | all year | 003 |
| pH | daily minimum | ≥ 6.5 SU | all year | 004 |
| pH | daily maximum | ≤ 9 SU | all year | 004 |
| Potassium, total [as K] | daily maximum | report only (mg/L) | 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 |
| Mercury, total [as Hg] | monthly average | report only (ng/L) | all year | 004 |
| Mercury, total [as Hg] | daily maximum | report only (ng/L) | all year | 004 |
| Mercury, total [as Hg] | monthly average | report only (lb/d) | all year | 004 |
| Mercury, total [as Hg] | 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 |
| pH | daily minimum | ≥ 6.5 SU | all year | 005 |
| pH | daily maximum | ≤ 9 SU | all year | 005 |
| Solids, total suspended | monthly average | ≤ 30 mg/L | all year | 005 |
| Solids, total suspended | daily maximum | ≤ 45 mg/L | all year | 005 |
| Sulfide, dissolved, [as S] | daily maximum | report only (ug/L) | all year | 005 |
| Hardness, total [as CaCO3] | daily maximum | report only (mg/L) | all year | 005 |
| Chloride [as Cl] | daily maximum | report only (mg/L) | all year | 005 |
| Sulfate, total [as SO4] | daily maximum | report only (mg/L) | all year | 005 |
| Cadmium, total [as Cd] | daily maximum | report only (ug/L) | all year | 005 |
| Copper, total [as Cu] | daily maximum | report only (ug/L) | all year | 005 |
| Manganese, total [as Mn] | daily maximum | report only (ug/L) | all year | 005 |
| Nickel, total [as Ni] | daily maximum | report only (ug/L) | all year | 005 |
| Zinc, total [as Zn] | daily maximum | report only (ug/L) | all year | 005 |
| Lithium, total [as Li] | daily maximum | report only (ug/L) | all year | 005 |
| Selenium, total [as Se] | daily maximum | report only (ug/L) | 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 |
| Solids, total dissolved | daily maximum | report only (mg/L) | all year | 005 |
| Outfall observation,visual, y/n response | value | report only (N=0;Y=1) | all year | 005 |
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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