Herington, City of — NPDES permit KS0022811: limits, due date and EPA's record

Sewage treatment plant, Herington, Kansas. NPDES permit KS0022811, in force until Aug 31, 2029. Last 12 months: no values over a limit. Source: EPA ECHO, Oct 22, 2026.

Limits in force (57)

Parameter	Statistic	Limit	Months	Outfall
BOD, 5-day, 20 deg. C	monthly average	≤ 20 mg/L	all year	001
BOD, 5-day, 20 deg. C	maximum weekly average	≤ 30 mg/L	all year	001
pH	daily minimum	≥ 6 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	≤ .6 mg/L	Jul	001
Nitrogen, ammonia total [as N]	monthly average	≤ 1.9 mg/L	Dec	001
Nitrogen, ammonia total [as N]	monthly average	≤ 1.8 mg/L	Nov	001
Nitrogen, ammonia total [as N]	monthly average	≤ .9 mg/L	Sep	001
Nitrogen, ammonia total [as N]	monthly average	≤ 1.3 mg/L	Oct	001
Nitrogen, ammonia total [as N]	monthly average	≤ .6 mg/L	Aug	001
Nitrogen, ammonia total [as N]	monthly average	≤ .7 mg/L	Jun	001
Nitrogen, ammonia total [as N]	monthly average	≤ 1.9 mg/L	Feb	001
Nitrogen, ammonia total [as N]	monthly average	≤ 1.8 mg/L	Mar	001
Nitrogen, ammonia total [as N]	monthly average	≤ 1.9 mg/L	Jan	001
Nitrogen, ammonia total [as N]	monthly average	≤ 1.2 mg/L	Apr	001
Nitrogen, ammonia total [as N]	monthly average	≤ .9 mg/L	May	001
Nitrogen, ammonia total [as N]	daily maximum	≤ 2.5 mg/L	Jul	001
Nitrogen, ammonia total [as N]	daily maximum	≤ 8.8 mg/L	Dec	001
Nitrogen, ammonia total [as N]	daily maximum	≤ 8.8 mg/L	Nov	001
Nitrogen, ammonia total [as N]	daily maximum	≤ 4.1 mg/L	Sep	001
Nitrogen, ammonia total [as N]	daily maximum	≤ 7 mg/L	Oct	001
Nitrogen, ammonia total [as N]	daily maximum	≤ 2.5 mg/L	Aug	001
Nitrogen, ammonia total [as N]	daily maximum	≤ 3.1 mg/L	Jun	001
Nitrogen, ammonia total [as N]	daily maximum	≤ 8.8 mg/L	Feb	001
Nitrogen, ammonia total [as N]	daily maximum	≤ 8.8 mg/L	Mar	001
Nitrogen, ammonia total [as N]	daily maximum	≤ 8.8 mg/L	Jan	001
Nitrogen, ammonia total [as N]	daily maximum	≤ 6.4 mg/L	Apr	001
Nitrogen, ammonia total [as N]	daily maximum	≤ 4.5 mg/L	May	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
Flow, in conduit or thru treatment plant	monthly average	report only (MGD)	all year	001
E. coli	monthly geometric mean	≤ 3843 #/100mL	Dec	001
E. coli	monthly geometric mean	≤ 427 #/100mL	Jul	001
E. coli	monthly geometric mean	≤ 427 #/100mL	Sep	001
E. coli	monthly geometric mean	≤ 427 #/100mL	Oct	001
E. coli	monthly geometric mean	≤ 3843 #/100mL	Jan	001
E. coli	monthly geometric mean	≤ 3843 #/100mL	Nov	001
E. coli	monthly geometric mean	≤ 3843 #/100mL	Feb	001
E. coli	monthly geometric mean	≤ 427 #/100mL	May	001
E. coli	monthly geometric mean	≤ 3843 #/100mL	Mar	001
E. coli	monthly geometric mean	≤ 427 #/100mL	Apr	001
E. coli	monthly geometric mean	≤ 427 #/100mL	Jun	001
E. coli	monthly geometric mean	≤ 427 #/100mL	Aug	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
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

How strict are these limits?

Your permit document is the final word. As JSON: /api/v1/permits/KS0022811 · MCP: https://passage-data.com/mcp