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Morton International

Miscellaneous Nonmetallic Minerals, South Hutchinson, Kansas. NPDES permit KS0000345, in force until Sep 30, 2030. Last 12 months: over a limit once (last March 2026). Source: EPA ECHO, Oct 22, 2026.

Reports due
About 29 days after each period: outfall 001 form A quarterly, outfall 002 form A quarterly, outfall 003 form A quarterly, outfall 004 form A quarterly, outfall 005 form A quarterly
Last report on file
June 2026
Oct 2024 – Sep 2025
4 values over a limit, 0 required values missing, 0 of 60 reports late

Last 12 months (Oct 1, 2025 – Sep 30, 2026)

Period endingParameterReportedLimitOver by
March 2026Chloride [as Cl], daily maximum1770 mg/L≤ 1400 mg/L26%

Limits in force (43)

ParameterStatisticLimitMonthsOutfall
Temperature, water deg. centigradedaily maximumreport only (deg C)all year001
pHdaily minimum≥ 6 SUall year001
pHdaily maximum≤ 9 SUall year001
Solids, total suspendeddaily maximumreport only (mg/L)all year001
Solids, total suspendedmonthly average≤ 272 lb/dall year001
Solids, total suspendeddaily maximum≤ 544 lb/dall year001
Nitrogen, total [as N]daily maximumreport only (mg/L)all year001
Nitrogen, ammonia total [as N]monthly averagereport only (mg/L)Jul–Sep001
Nitrogen, Kjeldahl, total [as N]daily maximumreport only (mg/L)all year001
Nitrite + Nitrate total [as N]daily maximumreport only (mg/L)all year001
Phosphorus, total [as P]daily maximumreport only (mg/L)all year001
Phosphorus, total [as P]daily maximumreport only (lb/d)all year001
Hardness, total [as CaCO3]monthly averagereport only (mg/L)Jul–Sep001
Chloride [as Cl]monthly average≤ 998 mg/Lall year001
Chloride [as Cl]daily maximum≤ 1400 mg/Lall year001
Chloride [as Cl]monthly averagereport only (lb/d)all year001
Chloride [as Cl]daily maximumreport only (lb/d)all year001
Arsenic, total recoverablemonthly averagereport only (ug/L)Jul–Sep001
Selenium, total recoverablemonthly averagereport only (ug/L)Jul–Sep001
Thallium, total recoverablemonthly averagereport only (ug/L)Jul–Sep001
Beryllium, total recoverable [as Be]monthly averagereport only (ug/L)Jul–Sep001
Nickel, total recoverablemonthly averagereport only (ug/L)Jul–Sep001
Silver total recoverablemonthly averagereport only (ug/L)Jul–Sep001
Zinc, total recoverablemonthly averagereport only (ug/L)Jul–Sep001
Cadmium, total recoverablemonthly averagereport only (ug/L)Jul–Sep001
Lead, total recoverablemonthly averagereport only (ug/L)Jul–Sep001
Chromium, total recoverablemonthly averagereport only (ug/L)Jul–Sep001
Copper, total recoverablemonthly averagereport only (ug/L)Jul–Sep001
Antimony, total recoverablemonthly averagereport only (ug/L)Jul–Sep001
Chloridedaily averagereport only (mg/L)all year001
ChlorideEPA's "DPD AVG"≤ 5007.2 lb/dall year001
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year001
Phosphorus, Total As Pdaily averagereport only (mg/L)all year001
Phosphorus, Total As PEPA's "DPD AVG"≤ 1 lb/dall year001
Solids, total dissolved [TDS]monthly averagereport only (mg/L)Jul–Sep001
Mercury, total [as Hg]monthly averagereport only (ug/L)Jul–Sep001
IC25 Static Renewal 7 Day Chronic Ceriodaphnia dubiadaily minimum≥ 17 %Jul–Sep001
IC25 Static Renewal 7 Day Chronic Pimephalesdaily minimum≥ 17 %Jul–Sep001
Chloride [as Cl]monthly averagereport only (mg/L)all year002
Chloride [as Cl]daily maximumreport only (mg/L)all year002
Chloride [as Cl]monthly averagereport only (mg/L)all year003
Stream flow, estimatedmonthly averagereport only (cfs)all year004
Chloride [as Cl]monthly averagereport only (mg/L)all year005

How strict are these limits?

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

Same industry: the 66 Mining and Quarrying of Nonmetallic Minerals permits in Kansas.

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On EPA ECHO: Facility report · DMR history

Your permit document is the final word. As JSON: /api/v1/permits/KS0000345 · MCP: https://passage-data.com/mcp