Passage Data · Check a report · Use it from your AI

Morton Salt, Inc.

Chemical And Fertilizer Mining, Painesville, Ohio. NPDES permit OH0000515, in force until Aug 31, 2029. 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 (25 values), outfall 601 form A monthly (10 values), outfall 801 form A monthly (2 values), outfall 901 form A monthly (4 values)
Last report on file
September 2026
Oct 2024 – Sep 2025
2 values over a limit, 0 required values missing, 0 of 48 reports late

Limits in force (41)

ParameterStatisticLimitMonthsOutfall
Specific conductancemonthly averagereport only (umho/cm)all year001
Specific conductancedaily maximumreport only (umho/cm)all year001
pHdaily minimum≥ 6.5 SUall year001
pHdaily maximum≤ 9 SUall year001
Solids, total suspendedmonthly averagereport only (mg/L)all year001
Solids, total suspendeddaily maximumreport only (mg/L)all year001
Oil and grease, hexane extr methodmonthly averagereport only (mg/L)all year001
Oil and grease, hexane extr methoddaily maximumreport only (mg/L)all year001
Nitrogen, ammonia total [as N]monthly averagereport only (mg/L)all year001
Nitrogen, ammonia total [as N]daily maximumreport only (mg/L)all year001
Nitrogen, nitrate total [as N]monthly averagereport only (mg/L)all year001
Nitrogen, nitrate total [as N]daily maximumreport only (mg/L)all year001
Phosphorus, total [as P]monthly averagereport only (mg/L)all year001
Phosphorus, total [as P]daily maximumreport only (mg/L)all year001
Chloride [as Cl]monthly averagereport only (mg/L)all year001
Chloride [as Cl]daily maximumreport only (mg/L)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
Cyanide, free availabledaily maximum≤ 44 ug/Lall year001
Toxicity [acute], Ceriodaphnia dubiamonthly averagereport only (tox acute)Sep001
Toxicity [acute], Ceriodaphnia dubiadaily maximumreport only (tox acute)Sep001
Toxicity [acute], Pimephales promelas [Fathead Minnow]monthly averagereport only (tox acute)Sep001
Toxicity [acute], Pimephales promelas [Fathead Minnow]daily maximumreport only (tox acute)Sep001
Solids, total dissolved- 180 deg. Cmonthly averagereport only (mg/L)all year001
Solids, total dissolved- 180 deg. Cdaily maximumreport only (mg/L)all year001
pHdaily minimumreport only (SU)all year601
pHdaily maximumreport only (SU)all year601
Solids, total suspendedmonthly averagereport only (mg/L)all year601
Solids, total suspendeddaily maximumreport only (mg/L)all year601
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year601
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year601
Cyanide, free availablemonthly averagereport only (ug/L)all year601
Cyanide, free availabledaily maximumreport only (ug/L)all year601
Solids, total dissolved- 180 deg. Cmonthly averagereport only (mg/L)all year601
Solids, total dissolved- 180 deg. Cdaily maximumreport only (mg/L)all year601
Specific conductancemonthly averagereport only (umho/cm)all year801
Specific conductancedaily maximumreport only (umho/cm)all year801
Specific conductancemonthly averagereport only (umho/cm)all year901
Specific conductancedaily maximumreport only (umho/cm)all year901
Solids, total dissolved- 180 deg. Cmonthly averagereport only (mg/L)all year901
Solids, total dissolved- 180 deg. Cdaily maximumreport only (mg/L)all year901

New limits from Mar 1, 2029

ParameterNew limitNew or tighterMedian, last 12 months× new limit
Solids, total dissolved- 180 deg. C, monthly average16745 mg/Lnew330 mg/L (11 values)0.0197×
Toxicity [acute], Ceriodaphnia dubia, daily maximum1 tox acute (Sep)new——
Toxicity [acute], Pimephales promelas [Fathead Minnow], daily maximum1 tox acute (Sep)new——

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

Same industry: the 131 Mining and Quarrying of Nonmetallic Minerals permits in Ohio.

Check this month's numbers Email me before each report is due

· Save this facility as a site · Superfund sites nearby · Your permits on one board

On EPA ECHO: Facility report · DMR history

Your permit document is the final word. As JSON: /api/v1/permits/OH0000515 · MCP: https://passage-data.com/mcp