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Hocking Hills Elementary School

Nonclassifiable Establishments, Logan, Ohio. NPDES permit OH0128155, in force until May 31, 2030. Last 12 months: no values over a limit, 2 of 12 reports late. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 20 days after each period: form A monthly (4 values)
Last report on file
September 2026
Oct 2024 – Sep 2025
0 values over a limit, 0 required values missing, 0 of 12 reports late

Limits in force (17)

ParameterStatisticLimitMonths
Flow ratemonthly averagereport only (gal/d)all year
Flow ratedaily maximumreport only (gal/d)all year
Solids, total suspendedmonthly average≤ 30 mg/LDec
Solids, total suspendeddaily maximum≤ 45 mg/LDec
Solids, total suspendedmonthly average≤ .204 kg/dDec
Solids, total suspendeddaily maximum≤ .306 kg/dDec
Iron, suspendedmonthly average≤ 1000 ug/LDec
Iron, suspendeddaily maximum≤ 2000 ug/LDec
Iron, suspendedmonthly average≤ .0068 kg/dDec
Iron, suspendeddaily maximum≤ .0136 kg/dDec
Manganese, total [as Mn]monthly average≤ 1000 ug/LDec
Manganese, total [as Mn]daily maximum≤ 2000 ug/LDec
Manganese, total [as Mn]monthly average≤ .0068 kg/dDec
Manganese, total [as Mn]daily maximum≤ .0136 kg/dDec
Turbidity [severity]monthly averagereport only (severity)all year
Turbidity [severity]daily maximumreport only (severity)all year
Chlorine, total residualdaily maximumreport only (mg/L)Dec

How strict are these limits?

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

Same industry: the 98 Nonclassifiable Establishments 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/OH0128155 · MCP: https://passage-data.com/mcp