Unified Govt Wyandotte Co/KCK — NPDES permit KS0101516: limits, due date and EPA's record

Sewage treatment plant, major discharger, Kansas City, Kansas. NPDES permit KS0101516, in force until May 31, 2029. Last 12 months: over a limit once (last February 2026). Source: EPA ECHO, Oct 22, 2026.

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

Period ending	Parameter	Reported	Limit	Over by
February 2026	Nitrogen, ammonia total [as N], monthly average	2.578 mg/L	≤ 2.1 mg/L	23%

Limits in force (79)

Parameter	Statistic	Limit	Months	Outfall
Conductivity	monthly average	report only (umho/cm)	all year	001
Oxygen, dissolved [DO]	minimum weekly average	≥ 6 mg/L	all year	001
BOD, 5-day, 20 deg. C	monthly average	≤ 30 mg/L	all year	001
BOD, 5-day, 20 deg. C	maximum weekly average	≤ 45 mg/L	all year	001
pH	daily minimum	≥ 6 SU	all year	001
pH	monthly average	report only (SU)	all year	001
pH	daily maximum	≤ 9 SU	all year	001
Solids, total suspended	monthly average	≤ 30 mg/L	all year	001
Solids, total suspended	maximum weekly average	≤ 45 mg/L	all year	001
Nitrogen, total [as N]	monthly average	report only (mg/L)	all year	001
Nitrogen, total [as N]	monthly average	report only (lb/d)	all year	001
Nitrogen, ammonia total [as N]	monthly average	≤ 1.1 mg/L	Oct	001
Nitrogen, ammonia total [as N]	monthly average	≤ 2.1 mg/L	Dec	001
Nitrogen, ammonia total [as N]	monthly average	report only (mg/L)	all year	001
Nitrogen, ammonia total [as N]	monthly average	≤ 1.1 mg/L	May	001
Nitrogen, ammonia total [as N]	monthly average	≤ .7 mg/L	Jun	001
Nitrogen, ammonia total [as N]	monthly average	≤ .7 mg/L	Sep	001
Nitrogen, ammonia total [as N]	monthly average	≤ 1.4 mg/L	Apr	001
Nitrogen, ammonia total [as N]	monthly average	≤ .6 mg/L	Aug	001
Nitrogen, ammonia total [as N]	monthly average	≤ 2.1 mg/L	Jan	001
Nitrogen, ammonia total [as N]	monthly average	≤ .6 mg/L	Jul	001
Nitrogen, ammonia total [as N]	monthly average	≤ 2.1 mg/L	Feb	001
Nitrogen, ammonia total [as N]	monthly average	≤ 1.9 mg/L	Nov	001
Nitrogen, ammonia total [as N]	monthly average	≤ 2.1 mg/L	Mar	001
Nitrogen, ammonia total [as N]	daily maximum	≤ 5.3 mg/L	Oct	001
Nitrogen, ammonia total [as N]	daily maximum	≤ 8.9 mg/L	Dec	001
Nitrogen, ammonia total [as N]	daily maximum	≤ 5.2 mg/L	May	001
Nitrogen, ammonia total [as N]	daily maximum	≤ 3.2 mg/L	Jun	001
Nitrogen, ammonia total [as N]	daily maximum	≤ 3.1 mg/L	Sep	001
Nitrogen, ammonia total [as N]	daily maximum	≤ 7.3 mg/L	Apr	001
Nitrogen, ammonia total [as N]	daily maximum	≤ 2.5 mg/L	Aug	001
Nitrogen, ammonia total [as N]	daily maximum	≤ 8.9 mg/L	Jan	001
Nitrogen, ammonia total [as N]	daily maximum	≤ 2.5 mg/L	Jul	001
Nitrogen, ammonia total [as N]	daily maximum	≤ 8.9 mg/L	Feb	001
Nitrogen, ammonia total [as N]	daily maximum	≤ 8.9 mg/L	Nov	001
Nitrogen, ammonia total [as N]	daily maximum	≤ 8.9 mg/L	Mar	001
Nitrogen, Kjeldahl, total [as N]	monthly average	report only (mg/L)	all year	001
Nitrite + Nitrate total [as N]	monthly average	report only (mg/L)	all year	001
Phosphorus, total [as P]	monthly average	report only (mg/L)	all year	001
Phosphorus, total [as P]	monthly average	report only (lb/d)	all year	001
Hardness, total [as CaCO3]	monthly average	report only (mg/L)	all year	001
Arsenic, total recoverable	monthly average	report only (ug/L)	all year	001
Selenium, total recoverable	monthly average	report only (ug/L)	all year	001
Thallium, total recoverable	monthly average	report only (ug/L)	all year	001
Beryllium, total recoverable [as Be]	monthly average	report only (ug/L)	all year	001
Nickel, total recoverable	monthly average	report only (ug/L)	all year	001
Silver total recoverable	monthly average	report only (ug/L)	all year	001
Zinc, total recoverable	monthly average	report only (ug/L)	all year	001
Cadmium, total recoverable	monthly average	report only (ug/L)	all year	001
Lead, total recoverable	monthly average	report only (ug/L)	all year	001
Chromium, total recoverable	monthly average	report only (ug/L)	all year	001
Copper, total recoverable	monthly average	report only (ug/L)	all year	001
Antimony, total recoverable	monthly average	report only (ug/L)	all year	001
Priority Pollutants	monthly average	report only (ug/L)	all year	001
Flow, in conduit or thru treatment plant	monthly average	report only (MGD)	all year	001
E. coli	monthly geometric mean	≤ 3843 #/100mL	Nov	001
E. coli	monthly geometric mean	≤ 427 #/100mL	Sep	001
E. coli	monthly geometric mean	≤ 427 #/100mL	Aug	001
E. coli	monthly geometric mean	≤ 427 #/100mL	May	001
E. coli	monthly geometric mean	≤ 427 #/100mL	Oct	001
E. coli	monthly geometric mean	≤ 427 #/100mL	Jul	001
E. coli	monthly geometric mean	≤ 3843 #/100mL	Jan	001
E. coli	monthly geometric mean	≤ 427 #/100mL	Jun	001
E. coli	monthly geometric mean	≤ 3843 #/100mL	Mar	001
E. coli	monthly geometric mean	≤ 427 #/100mL	Apr	001
E. coli	monthly geometric mean	≤ 3843 #/100mL	Feb	001
E. coli	monthly geometric mean	≤ 3843 #/100mL	Dec	001
Nitrogen, Total As N	daily average	report only (mg/L)	all year	001
Nitrogen, Total As N	EPA's "DPD AVG"	report only (lb/d)	all year	001
Phosphorus, Total As P	daily average	report only (mg/L)	all year	001
Phosphorus, Total As P	EPA's "DPD AVG"	report only (lb/d)	all year	001
Mercury, total [as Hg]	monthly average	report only (ug/L)	all year	001
IC25 Static Renewal 7 Day Chronic Ceriodaphnia dubia	daily minimum	≥ 86 %	all year	001
IC25 Static Renewal 7 Day Chronic Pimephales	daily minimum	≥ 86 %	all year	001
BOD, 5-day, 20 deg. C	monthly average	report only (mg/L)	all year	002
Solids, total suspended	monthly average	report only (mg/L)	all year	002
Nitrogen, Kjeldahl, total [as N]	monthly average	report only (mg/L)	all year	002
Phosphorus, total [as P]	monthly average	report only (mg/L)	all year	002
Flow, in conduit or thru treatment plant	monthly average	report only (MGD)	all year	002

How strict are these limits?

Your permit document is the final word. As JSON: /api/v1/permits/KS0101516 · MCP: https://passage-data.com/mcp