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Industrial Inorganic Chemicals, Lawrence, Kansas. NPDES permit KS0001511, in force until Jul 31, 2028. Last 12 months: no values over a limit. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 29 days after each period: outfall 001 form A monthly (2 values), outfall 002 form A monthly (4 values), outfall 003 form A monthly (2 values), outfall 004 form A monthly (6 values), outfall 004 form W monthly (17 values)
Renewal application due
Feb 2, 2028 · 180 days before expiry; your permit may set another date
Last report on file
August 2026
Oct 2024 – Sep 2025
0 values over a limit, 0 required values missing, 6 of 52 reports late

Limits in force (40)

ParameterStatisticLimitMonthsOutfall
pHdaily maximumreport only (SU)all year001
Phosphorus, total [as P]daily maximumreport only (mg/L) (alert, not enforceable)all year001
pHdaily minimum≥ 6 SUall year002
pHdaily maximum≤ 9 SUall year002
Phosphorus, total [as P]daily maximumreport only (mg/L) (alert, not enforceable)all year002
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year002
Solids, total suspendedmonthly average≤ 30 mg/Lall year003
Solids, total suspendeddaily maximum≤ 100 mg/Lall year003
pHdaily minimum≥ 6 SUall year004
pHdaily maximum≤ 9 SUall year004
Solids, total suspendeddaily maximumreport only (mg/L)all year004
Nitrogen, total [as N]daily maximumreport only (mg/L)Apr004
Nitrogen, Kjeldahl, total [as N]daily maximumreport only (mg/L)Apr004
Nitrite + Nitrate total [as N]daily maximumreport only (mg/L)Apr004
Phosphorus, total [as P]daily maximumreport only (mg/L)all year004
Hardness, total [as CaCO3]daily maximumreport only (mg/L)Sep, Oct004
Arsenic, total recoverabledaily maximumreport only (ug/L)Sep, Oct004
Selenium, total recoverabledaily maximumreport only (ug/L)Sep, Oct004
Thallium, total recoverabledaily maximumreport only (ug/L)Sep, Oct004
Beryllium, total recoverable [as Be]daily maximumreport only (ug/L)Sep, Oct004
Nickel, total recoverabledaily maximumreport only (ug/L)Sep, Oct004
Silver total recoverabledaily maximumreport only (ug/L)Sep, Oct004
Zinc, total recoverabledaily maximumreport only (ug/L)Sep, Oct004
Cadmium, total recoverabledaily maximumreport only (ug/L)Sep, Oct004
Lead, total recoverabledaily maximumreport only (ug/L)Sep, Oct004
Chromium, total recoverabledaily maximumreport only (ug/L)Sep, Oct004
Copper, total recoverabledaily maximumreport only (ug/L)Sep, Oct004
Antimony, total recoverabledaily maximumreport only (ug/L)Sep, Oct004
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year004
Chlorine, total residualdaily maximum≤ 100 ug/Lall year004
Solids, total dissolved [TDS]daily maximumreport only (mg/L)Sep, Oct004
Mercury, total [as Hg]daily maximumreport only (ug/L)Sep, Oct004
IC25 Static Renewal 7 Day Chronic Ceriodaphnia dubiadaily minimum≥ 5 %Sep, Oct004
IC25 Static Renewal 7 Day Chronic Pimephalesdaily minimum≥ 5 %Sep, Oct004
Nitrogen, nitrate total [as N]daily maximumreport only (mg/L)Apr006
Phosphorus, total [as P]daily maximumreport only (mg/L)Apr006
Arsenic, total recoverabledaily maximumreport only (ug/L)Apr006
Nitrogen, nitrate total [as N]daily maximumreport only (mg/L)Apr007
Phosphorus, total [as P]daily maximumreport only (mg/L)Apr007
Arsenic, total recoverabledaily maximumreport only (ug/L)Apr007

How strict are these limits?

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

Same industry: the 9 Chemicals and Allied Products permits in Kansas.

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

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On EPA ECHO: Facility report · DMR history

Your permit document is the final word. As JSON: /api/v1/permits/KS0001511 · MCP: https://passage-data.com/mcp