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City of Huber Heights

Nonclassifiable Establishments, Huber Heights, Ohio. NPDES permit OH0147974 expired Aug 31, 2023; its limits still apply. Last 12 months: no values over a limit. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 20 days after each period: form A monthly (17 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 (25)

ParameterStatisticLimitMonths
Temperature, water deg. centigrademonthly averagereport only (deg C)all year
Temperature, water deg. centigradedaily maximumreport only (deg C)all year
Oxygen, dissolved [DO]daily minimum≥ 5 mg/Lall year
pHdaily minimum≥ 6.5 SUall year
pHdaily maximum≤ 9 SUall year
Solids, total suspendedmonthly average≤ 30 mg/Lall year
Solids, total suspendedweekly maximum≤ 45 mg/Lall year
Arsenic, total recoverablemonthly averagereport only (ug/L)all year
Arsenic, total recoverabledaily maximumreport only (ug/L)all year
Iron, total recoverablemonthly average≤ 1000 ug/Lall year
Iron, total recoverabledaily maximum≤ 2000 ug/Lall year
Manganese, total recoverablemonthly average≤ 1000 ug/Lall year
Manganese, total recoverabledaily maximum≤ 2000 ug/Lall year
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year
Toxicity [acute], Ceriodaphnia dubiamonthly averagereport only (tox acute)Jul
Toxicity [acute], Ceriodaphnia dubiadaily maximumreport only (tox acute)Jul
Toxicity [chronic], Ceriodaphnia dubiamonthly averagereport only (tox chronic)Jul
Toxicity [chronic], Ceriodaphnia dubiadaily maximumreport only (tox chronic)Jul
Toxicity [acute], Pimephales promelas [Fathead Minnow]monthly averagereport only (tox acute)Jul
Toxicity [acute], Pimephales promelas [Fathead Minnow]daily maximumreport only (tox acute)Jul
Toxicity [chronic], Pimephales promelas [Fathead Minnow]monthly averagereport only (tox chronic)Jul
Toxicity [chronic], Pimephales promelas [Fathead Minnow]daily maximumreport only (tox chronic)Jul
Solids, total dissolved- 180 deg. Cmonthly average≤ 2600 mg/Lall year
Solids, total dissolved- 180 deg. Cmonthly average≤ 14700 kg/dall year

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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· Your permits on one board

On EPA ECHO: Facility report · DMR history

Your permit document is the final word. As JSON: /api/v1/permits/OH0147974 · MCP: https://passage-data.com/mcp