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Westar Energy

Electric Services, Lawrence, Kansas. NPDES permit KS0079821, in force until Feb 28, 2027. Last 12 months: over a limit once (last November 2025). Source: EPA ECHO, Oct 22, 2026.

Reports due
About 29 days after each period: outfall 001 form X quarterly (18 values), outfall 100 form A monthly (8 values), outfall 100 form Q quarterly (6 values), outfall 101 form A monthly (6 values), outfall 101 form Q quarterly (4 values), outfall 102 form A monthly (8 values), and 4 more forms
Renewal application due
Sep 1, 2026 · 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, 0 of 77 reports late

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

Period endingParameterReportedLimitOver by
November 2025Solids, total suspended, monthly average39.8 mg/L≤ 30 mg/L33%

Limits in force (82)

ParameterStatisticLimitMonthsOutfall
Conductivitymonthly averagereport only (umho/cm)all year001
BOD, 5-day, 20 deg. Cmonthly averagereport only (mg/L)all year001
BOD, 5-day, 20 deg. Cdaily 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
Hardness, total [as CaCO3]monthly averagereport 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
Sulfate, total [as SO4]monthly averagereport only (mg/L)all year001
Sulfate, total [as SO4]daily maximumreport only (mg/L)all year001
Arsenic, total recoverablemonthly averagereport only (ug/L)all year001
Selenium, total recoverablemonthly averagereport only (ug/L)all year001
Selenium, total recoverablemonthly averagereport only (ug/L)all year001
Selenium, total recoverabledaily maximumreport only (ug/L)all year001
Thallium, total recoverablemonthly averagereport only (ug/L)all year001
Beryllium, total recoverable [as Be]monthly averagereport only (ug/L)all year001
Nickel, total recoverablemonthly averagereport only (ug/L)all year001
Silver total recoverablemonthly averagereport only (ug/L)all year001
Zinc, total recoverablemonthly averagereport only (ug/L) (alert, not enforceable)all year001
Zinc, total recoverablemonthly averagereport only (ug/L)all year001
Zinc, total recoverabledaily maximum≤ 600 ug/L (alert, not enforceable)all year001
Cadmium, total recoverablemonthly averagereport only (ug/L)all year001
Lead, total recoverablemonthly averagereport only (ug/L)all year001
Chromium, total recoverablemonthly averagereport only (ug/L)all year001
Copper, total recoverablemonthly averagereport only (ug/L) (alert, not enforceable)all year001
Copper, total recoverablemonthly averagereport only (ug/L)all year001
Copper, total recoverabledaily maximum≤ 80 ug/L (alert, not enforceable)all year001
Antimony, total recoverablemonthly averagereport only (ug/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
Mercury, total [as Hg]monthly averagereport only (ug/L)all year001
Mercury, total recoverablemonthly averagereport only (ug/L)all year001
Mercury, total recoverabledaily maximumreport only (ug/L)all year001
LC50 Static 48Hr Acute Ceriodaphnia dubiadaily minimum≥ 100 %all year001
LC50 Static 48Hr Acute Pimephales promelasdaily minimum≥ 100 %all year001
pHdaily minimum≥ 6 SUall year100
pHdaily maximum≤ 9 SUall year100
Solids, total suspendedmonthly average≤ 30 mg/Lall year100
Solids, total suspendeddaily maximum≤ 100 mg/Lall year100
Oil & Greasemonthly average≤ 15 mg/Lall year100
Oil & Greasedaily maximum≤ 20 mg/Lall year100
Phosphorus, total [as P]monthly averagereport only (mg/L)all year100
Phosphorus, total [as P]daily maximumreport only (mg/L)all year100
Chloride [as Cl]monthly averagereport only (mg/L)all year100
Chloride [as Cl]daily maximumreport only (mg/L)all year100
Sulfate, total [as SO4]monthly averagereport only (mg/L)all year100
Sulfate, total [as SO4]daily maximumreport only (mg/L)all year100
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year100
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year100
pHdaily minimum≥ 6 SUall year101
pHdaily maximum≤ 9 SUall year101
Phosphorus, total [as P]monthly averagereport only (mg/L)all year101
Phosphorus, total [as P]daily maximumreport only (mg/L)all year101
Zinc, total recoverablemonthly averagereport only (ug/L)all year101
Zinc, total recoverabledaily maximumreport only (ug/L)all year101
Oxidants, free availablemonthly average≤ .2 mg/Lall year101
Oxidants, free availabledaily maximum≤ .5 mg/Lall year101
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year101
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year101
pHdaily minimum≥ 6 SUall year102
pHdaily maximum≤ 9 SUall year102
Solids, total suspendedmonthly average≤ 30 mg/Lall year102
Solids, total suspendeddaily maximum≤ 100 mg/Lall year102
Oil & Greasemonthly average≤ 15 mg/Lall year102
Oil & Greasedaily maximum≤ 20 mg/Lall year102
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year102
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year102
pHdaily minimum≥ 6 SUall year200
pHdaily maximum≤ 9 SUall year200
Solids, total suspendeddaily maximum≤ 50 mg/L (alert, not enforceable)all year200
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year200
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year200
pHdaily minimum≥ 6 SUall year201
pHdaily maximum≤ 9 SUall year201
Phosphorus, total [as P]monthly averagereport only (mg/L)all year201
Phosphorus, total [as P]daily maximumreport only (mg/L)all year201
Zinc, total recoverablemonthly averagereport only (ug/L)all year201
Zinc, total recoverabledaily maximum≤ 1000 ug/Lall year201
Oxidants, free availablemonthly average≤ .2 mg/Lall year201
Oxidants, free availabledaily maximum≤ .5 mg/Lall year201
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year201
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year201

How strict are these limits?

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

Same industry: the 21 Electric Services 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/KS0079821 · MCP: https://passage-data.com/mcp