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CSR Hydro Conduit

Concrete Products, Diamond, Ohio. NPDES permit OH0129178, in force until Nov 30, 2027. Last 12 months: no values over a limit. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 20 days after each period: outfall 001 form A monthly (11 values), outfall 602 form A monthly (22 values), outfall 603 form A monthly (6 values)
Renewal application due
Jun 3, 2027 · 180 days before expiry; your permit may set another date
Last report on file
September 2026
Oct 2024 – Sep 2025
0 values over a limit, 0 required values missing, 0 of 37 reports late

Limits in force (47)

ParameterStatisticLimitMonthsOutfall
Oxygen demand, chem. [low level] [COD]monthly averagereport only (mg/L)all year001
Oxygen demand, chem. [low level] [COD]daily maximumreport only (mg/L)all year001
pHdaily minimum≥ 6.5 SUall year001
pHdaily maximum≤ 9 SUall year001
Solids, total suspendedmonthly average≤ 30 mg/Lall year001
Solids, total suspendedweekly maximum≤ 45 mg/Lall year001
Oil and grease, hexane extr methoddaily maximum≤ 10 mg/Lall year001
Rainfallmonthly averagereport only (in)all year001
Rainfalldaily maximumreport only (in)all year001
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year001
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year001
Sludge waste from secondary clarifiersmonthly averagereport only (gal)Dec588
Sludge waste from secondary clarifiersdaily maximumreport only (gal)Dec588
Temperature, water deg. centigrademonthly averagereport only (deg C)all year602
Temperature, water deg. centigradedaily maximumreport only (deg C)all year602
Flow ratemonthly averagereport only (gal/d)all year602
Flow ratedaily maximumreport only (gal/d)all year602
Oxygen, dissolved [DO]daily minimum≥ 6 mg/Lall year602
pHdaily minimum≥ 6.5 SUall year602
pHdaily maximum≤ 9 SUall year602
Solids, total suspendedmonthly average≤ 12 mg/Lall year602
Solids, total suspendedweekly maximum≤ 18 mg/Lall year602
Solids, total suspendedmonthly average≤ .11 kg/dall year602
Solids, total suspendedweekly maximum≤ .17 kg/dall year602
Nitrogen, ammonia total [as N]monthly average≤ 1.3 mg/LMay–Oct602
Nitrogen, ammonia total [as N]monthly average≤ 2 mg/LJan, Feb, Mar, Apr, Nov, Dec602
Nitrogen, ammonia total [as N]weekly maximum≤ 1.95 mg/LMay–Oct602
Nitrogen, ammonia total [as N]weekly maximum≤ 3 mg/LJan, Feb, Mar, Apr, Nov, Dec602
Nitrogen, ammonia total [as N]monthly average≤ .0124 kg/dMay–Oct602
Nitrogen, ammonia total [as N]monthly average≤ .019 kg/dJan, Feb, Mar, Apr, Nov, Dec602
Nitrogen, ammonia total [as N]weekly maximum≤ .0185 kg/dMay–Oct602
Nitrogen, ammonia total [as N]weekly maximum≤ .0284 kg/dJan, Feb, Mar, Apr, Nov, Dec602
Turbidity [severity]monthly averagereport only (severity)all year602
Turbidity [severity]daily maximumreport only (severity)all year602
E. coli, MTEC-MFmonthly geometric mean≤ 126 MPN/100mLJun, Aug602
E. coli, MTEC-MFweekly geometric mean≤ 284 MPN/100mLJun, Aug602
Chlorine, total residualdaily maximum≤ .019 mg/LMay–Oct602
BOD, carbonaceous [5 day, 20 C]monthly average≤ 10 mg/Lall year602
BOD, carbonaceous [5 day, 20 C]weekly maximum≤ 15 mg/Lall year602
BOD, carbonaceous [5 day, 20 C]monthly average≤ .0947 kg/dall year602
BOD, carbonaceous [5 day, 20 C]weekly maximum≤ .142 kg/dall year602
Temperature, water deg. centigrademonthly averagereport only (deg C)all year603
Temperature, water deg. centigradedaily maximumreport only (deg C)all year603
Flow ratemonthly averagereport only (gal/d)all year603
Flow ratedaily maximumreport only (gal/d)all year603
pHdaily minimumreport only (SU)all year603
pHdaily maximumreport only (SU)all year603

How strict are these limits?

Cited limits by parameter: Ohio's rules and the federal ones.

Same industry: the 36 Stone, Clay, Glass and Concrete Products permits in Ohio.

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On EPA ECHO: Facility report · DMR history

Your permit document is the final word. As JSON: /api/v1/permits/OH0129178 · MCP: https://passage-data.com/mcp