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Cement, Hydraulic, Harleyville, South Carolina. NPDES permit SC0022667 expired Aug 31, 2014; its limits still apply. Last 12 months: over a limit 6 times (last June 2026). Source: EPA ECHO, Oct 22, 2026.
| Period ending | Outfall | Parameter | Reported | Limit | Over by |
|---|---|---|---|---|---|
| January 2026 | 001 | pH, instantaneous minimum | 5.3 | ≥ 6 SU | — |
| January 2026 | 003 | Copper, total [as Cu], daily maximum | 14.5 | ≤ 7.4 ug/L | 96% |
| February 2026 | 001 | Coliform, fecal general, daily maximum | 980 | ≤ 400 #/100mL | 145% |
| February 2026 | 001 | Solids, total suspended, daily maximum | 71 | ≤ 60 mg/L | 18% |
| February 2026 | 001 | Solids, total suspended, monthly average | 39 | ≤ 30 mg/L | 30% |
| June 2026 | 001 | Coliform, fecal general, daily maximum | 2420 | ≤ 400 #/100mL | 505% |
| Parameter | Statistic | Limit | Months | Outfall |
|---|---|---|---|---|
| Oxygen, dissolved [DO] | instantaneous minimum | ≥ 4 mg/L | all year | 001 |
| BOD, 5-day, 20 deg. C | monthly average | ≤ 30 mg/L | all year | 001 |
| BOD, 5-day, 20 deg. C | daily maximum | ≤ 60 mg/L | all year | 001 |
| pH | instantaneous minimum | ≥ 6 SU | all year | 001 |
| pH | instantaneous maximum | ≤ 8.5 SU | all year | 001 |
| Solids, total suspended | monthly average | ≤ 30 mg/L | all year | 001 |
| Solids, total suspended | daily maximum | ≤ 60 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 | monthly average | ≤ .011 mg/L | all year | 001 |
| Chlorine, total residual | daily maximum | ≤ .019 mg/L | all year | 001 |
| Coliform, fecal general | 30-day geometric mean | ≤ 200 #/100mL | all year | 001 |
| Coliform, fecal general | daily maximum | ≤ 400 #/100mL | all year | 001 |
| Temperature, water deg. fahrenheit | daily maximum | ≤ 90 deg F | all year | 002 |
| Oxygen, dissolved [DO] | instantaneous minimum | ≥ 4 mg/L | all year | 002 |
| pH | instantaneous minimum | ≥ 6 SU | all year | 002 |
| pH | instantaneous maximum | ≤ 8.5 SU | all year | 002 |
| Solids, total suspended | monthly average | ≤ 25 mg/L | all year | 002 |
| Solids, total suspended | daily maximum | ≤ 50 mg/L | all year | 002 |
| Oil & Grease | monthly average | ≤ 10 mg/L | all year | 002 |
| Oil & Grease | daily maximum | ≤ 15 mg/L | all year | 002 |
| Cyanide, total [as CN] | monthly average | ≤ 5.2 ug/L | all year | 002 |
| Cyanide, total [as CN] | daily maximum | ≤ 22 ug/L | all year | 002 |
| Sulfide, total [as S] | monthly average | ≤ 2 ug/L | all year | 002 |
| Sulfide, total [as S] | daily maximum | ≤ 4 ug/L | all year | 002 |
| Cadmium, total [as Cd] | monthly average | ≤ .4 ug/L | all year | 002 |
| Cadmium, total [as Cd] | daily maximum | ≤ 2.3 ug/L | all year | 002 |
| Copper, total [as Cu] | monthly average | ≤ 5.7 ug/L | all year | 002 |
| Copper, total [as Cu] | daily maximum | ≤ 7.4 ug/L | all year | 002 |
| Lead, total [as Pb] | monthly average | ≤ 1.1 ug/L | all year | 002 |
| Lead, total [as Pb] | daily maximum | ≤ 29 ug/L | all year | 002 |
| Silver, total [as Ag] | monthly average | ≤ .19 ug/L | all year | 002 |
| Silver, total [as Ag] | daily maximum | ≤ .19 ug/L | all year | 002 |
| Zinc, total [as Zn] | monthly average | ≤ .107 mg/L | all year | 002 |
| Zinc, total [as Zn] | daily maximum | ≤ .107 mg/L | all year | 002 |
| Selenium, total [as Se] | monthly average | ≤ 5 ug/L | all year | 002 |
| Selenium, total [as Se] | daily maximum | ≤ 10 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 | daily maximum | report only (MGD) | all year | 002 |
| %Effect Static Renewal 7 Day Chronic Ceriodaphnia dubia | monthly average | ≤ 25 % | all year | 002 |
| %Effect Static Renewal 7 Day Chronic Ceriodaphnia dubia | maximum | ≤ 40 % | all year | 002 |
| %Mortality 7Day Chronic Ceriodaphnia dubia | monthly average | report only (%) | all year | 002 |
| %Mortality 7Day Chronic Ceriodaphnia dubia | maximum | report only (%) | all year | 002 |
| %Repro Reduc Static Renewal7D Chronic Ceriodaphnia dubia | monthly average | report only (%) | all year | 002 |
| %Repro Reduc Static Renewal7D Chronic Ceriodaphnia dubia | maximum | report only (%) | all year | 002 |
| Temperature, water deg. fahrenheit | daily maximum | ≤ 90 deg F | all year | 003 |
| Oxygen, dissolved [DO] | instantaneous minimum | ≥ 5 mg/L | all year | 003 |
| pH | instantaneous minimum | ≥ 6 SU | all year | 003 |
| pH | instantaneous maximum | ≤ 8.5 SU | all year | 003 |
| Solids, total suspended | monthly average | ≤ 25 mg/L | all year | 003 |
| Solids, total suspended | daily maximum | ≤ 50 mg/L | all year | 003 |
| Oil & Grease | monthly average | ≤ 10 mg/L | all year | 003 |
| Oil & Grease | daily maximum | ≤ 15 mg/L | all year | 003 |
| Cyanide, total [as CN] | monthly average | ≤ 5.2 ug/L | all year | 003 |
| Cyanide, total [as CN] | daily maximum | ≤ 22 ug/L | all year | 003 |
| Sulfide, total [as S] | monthly average | ≤ 2 ug/L | all year | 003 |
| Sulfide, total [as S] | daily maximum | ≤ 4 ug/L | all year | 003 |
| Cadmium, total [as Cd] | monthly average | ≤ .4 ug/L | all year | 003 |
| Cadmium, total [as Cd] | daily maximum | ≤ 2.3 ug/L | all year | 003 |
| Copper, total [as Cu] | monthly average | ≤ 5.7 ug/L | all year | 003 |
| Copper, total [as Cu] | daily maximum | ≤ 7.4 ug/L | all year | 003 |
| Lead, total [as Pb] | monthly average | ≤ 1.1 ug/L | all year | 003 |
| Lead, total [as Pb] | daily maximum | ≤ 29 ug/L | all year | 003 |
| Silver, total [as Ag] | monthly average | ≤ .19 ug/L | all year | 003 |
| Silver, total [as Ag] | daily maximum | ≤ .19 ug/L | all year | 003 |
| Zinc, total [as Zn] | monthly average | ≤ .107 mg/L | all year | 003 |
| Zinc, total [as Zn] | daily maximum | ≤ .107 mg/L | all year | 003 |
| Selenium, total [as Se] | monthly average | ≤ 5 ug/L | all year | 003 |
| Selenium, total [as Se] | daily maximum | ≤ 10 ug/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 |
| %Effect Static Renewal 7 Day Chronic Ceriodaphnia dubia | monthly average | ≤ 25 % | all year | 003 |
| %Effect Static Renewal 7 Day Chronic Ceriodaphnia dubia | maximum | ≤ 40 % | all year | 003 |
| %Mortality 7Day Chronic Ceriodaphnia dubia | monthly average | report only (%) | all year | 003 |
| %Mortality 7Day Chronic Ceriodaphnia dubia | maximum | report only (%) | all year | 003 |
| %Repro Reduc Static Renewal7D Chronic Ceriodaphnia dubia | monthly average | report only (%) | all year | 003 |
| %Repro Reduc Static Renewal7D Chronic Ceriodaphnia dubia | maximum | report only (%) | all year | 003 |
| Temperature, water deg. fahrenheit | daily maximum | ≤ 90 deg F | all year | 004 |
| Oxygen, dissolved [DO] | instantaneous minimum | ≥ 4 mg/L | all year | 004 |
| pH | instantaneous minimum | ≥ 6 SU | all year | 004 |
| pH | instantaneous maximum | ≤ 8.5 SU | all year | 004 |
| Solids, total suspended | monthly average | ≤ 25 mg/L | all year | 004 |
| Solids, total suspended | daily maximum | ≤ 50 mg/L | all year | 004 |
| Oil & Grease | monthly average | ≤ 10 mg/L | all year | 004 |
| Oil & Grease | daily maximum | ≤ 15 mg/L | all year | 004 |
| Cyanide, total [as CN] | monthly average | ≤ 5.2 ug/L | all year | 004 |
| Cyanide, total [as CN] | daily maximum | ≤ 22 ug/L | all year | 004 |
| Sulfide, total [as S] | monthly average | ≤ 2 ug/L | all year | 004 |
| Sulfide, total [as S] | daily maximum | ≤ 4 ug/L | all year | 004 |
| Cadmium, total [as Cd] | monthly average | ≤ .4 ug/L | all year | 004 |
| Cadmium, total [as Cd] | daily maximum | ≤ 2.3 ug/L | all year | 004 |
| Copper, total [as Cu] | monthly average | ≤ 5.7 ug/L | all year | 004 |
| Copper, total [as Cu] | daily maximum | ≤ 7.4 ug/L | all year | 004 |
| Lead, total [as Pb] | monthly average | ≤ 1.1 ug/L | all year | 004 |
| Lead, total [as Pb] | daily maximum | ≤ 29 ug/L | all year | 004 |
| Silver, total [as Ag] | monthly average | ≤ .19 ug/L | all year | 004 |
| Silver, total [as Ag] | daily maximum | ≤ .19 ug/L | all year | 004 |
| Zinc, total [as Zn] | monthly average | ≤ .107 mg/L | all year | 004 |
| Zinc, total [as Zn] | daily maximum | ≤ .107 mg/L | all year | 004 |
| Selenium, total [as Se] | monthly average | ≤ 5 ug/L | all year | 004 |
| Selenium, total [as Se] | daily maximum | ≤ 10 ug/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 |
| 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 |
| %Effect Static Renewal 7 Day Chronic Ceriodaphnia dubia | monthly average | ≤ 25 % | all year | 004 |
| %Effect Static Renewal 7 Day Chronic Ceriodaphnia dubia | maximum | ≤ 40 % | all year | 004 |
| %Mortality 7Day Chronic Ceriodaphnia dubia | monthly average | report only (%) | all year | 004 |
| %Mortality 7Day Chronic Ceriodaphnia dubia | maximum | report only (%) | all year | 004 |
| %Repro Reduc Static Renewal7D Chronic Ceriodaphnia dubia | monthly average | report only (%) | all year | 004 |
| %Repro Reduc Static Renewal7D Chronic Ceriodaphnia dubia | maximum | report only (%) | all year | 004 |
| Temperature, water deg. fahrenheit | daily maximum | ≤ 90 deg F | all year | 005 |
| Oxygen, dissolved [DO] | instantaneous minimum | ≥ 4 mg/L | all year | 005 |
| pH | instantaneous minimum | ≥ 6 SU | all year | 005 |
| pH | instantaneous maximum | ≤ 8.5 SU | all year | 005 |
| Solids, total suspended | monthly average | ≤ 25 mg/L | all year | 005 |
| Solids, total suspended | daily maximum | ≤ 50 mg/L | all year | 005 |
| Oil & Grease | monthly average | ≤ 10 mg/L | all year | 005 |
| Oil & Grease | daily maximum | ≤ 15 mg/L | all year | 005 |
| Cyanide, total [as CN] | monthly average | ≤ 5.2 ug/L | all year | 005 |
| Cyanide, total [as CN] | daily maximum | ≤ 22 ug/L | all year | 005 |
| Sulfide, total [as S] | monthly average | ≤ 2 ug/L | all year | 005 |
| Sulfide, total [as S] | daily maximum | ≤ 4 ug/L | all year | 005 |
| Cadmium, total [as Cd] | monthly average | ≤ .4 ug/L | all year | 005 |
| Cadmium, total [as Cd] | daily maximum | ≤ 2.3 ug/L | all year | 005 |
| Copper, total [as Cu] | monthly average | ≤ 5.7 ug/L | all year | 005 |
| Copper, total [as Cu] | daily maximum | ≤ 7.4 ug/L | all year | 005 |
| Lead, total [as Pb] | monthly average | ≤ 1.1 ug/L | all year | 005 |
| Lead, total [as Pb] | daily maximum | ≤ 29 ug/L | all year | 005 |
| Silver, total [as Ag] | monthly average | ≤ .19 ug/L | all year | 005 |
| Silver, total [as Ag] | daily maximum | ≤ .19 ug/L | all year | 005 |
| Zinc, total [as Zn] | monthly average | ≤ .107 mg/L | all year | 005 |
| Zinc, total [as Zn] | daily maximum | ≤ .107 mg/L | all year | 005 |
| Selenium, total [as Se] | monthly average | ≤ 5 ug/L | all year | 005 |
| Selenium, total [as Se] | daily maximum | ≤ 10 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 |
| %Effect Static Renewal 7 Day Chronic Ceriodaphnia dubia | monthly average | ≤ 25 % | all year | 005 |
| %Effect Static Renewal 7 Day Chronic Ceriodaphnia dubia | maximum | ≤ 40 % | all year | 005 |
| %Mortality 7Day Chronic Ceriodaphnia dubia | monthly average | report only (%) | all year | 005 |
| %Mortality 7Day Chronic Ceriodaphnia dubia | maximum | report only (%) | all year | 005 |
| %Repro Reduc Static Renewal7D Chronic Ceriodaphnia dubia | monthly average | report only (%) | all year | 005 |
| %Repro Reduc Static Renewal7D Chronic Ceriodaphnia dubia | maximum | report only (%) | all year | 005 |
Cited limits by parameter: South Carolina's rules and the federal ones.
Same industry: the 5 Stone, Clay, Glass and Concrete Products permits in South Carolina.
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On EPA ECHO: Facility report · DMR history
Your permit document is the final word. As JSON: /api/v1/permits/SC0022667 · MCP: https://passage-data.com/mcp