Clean Water Act discharge permit · NPDES KS0047481

LINWOOD, CITY OF (WWTP), Linwood, KS: NPDES KS0047481 discharge permit, effluent exceedances, inspections, penalties

Administratively continuedPermit status
MinorDischarger class
5Pollutants under a numeric limit
3Pollutants with an effluent exceedance
0Inspections on file
0Formal enforcement actions

LINWOOD, CITY OF (WWTP), held by LINWOOD, CITY OF, holds NPDES permit KS0047481, which discharges to Ninemile Cr (1027010415). EPA’s file records it issued April 1, 2021 and expiring December 31, 2025.

LINWOOD, CITY OF (WWTP), Linwood, Kansas: Individual permit KS0047481, held by LINWOOD, CITY OF; Publicly owned treatment works; Administratively continued (past its expiration date and still in force until reissued); issued April 1, 2021, term to December 31, 2025, by Kansas Department of Health and Environment (KDHE); discharges to Ninemile Cr (1027010415); Sewage Treatment Facilities.

BOD, 5-day, 20 deg. C: 3 limits, 14 violations of any kind, 11 effluent exceedances, latest March 31, 2026, largest 103% over the limit.
Solids, total suspended: 3 limits, 7 violations of any kind, 4 effluent exceedances, latest June 30, 2022, largest 13% over the limit.
E. coli: 1 limit, 2 violations of any kind, 1 effluent exceedance, latest March 31, 2022, largest 125% over the limit.
Lead, total recoverable: 0 limits, 2 violations of any kind, 0 effluent exceedances.
Nitrogen, ammonia total [as N]: 4 limits, 1 violation of any kind, 0 effluent exceedances.
pH: 1 limit, 1 violation of any kind, 0 effluent exceedances.

Kansas holds 454 Publicly owned treatment works coverages of this permit type in EPA’s file; 406 were issued before KS0047481.

Coverages issued nearest KS0047481

April 1, 2021: EVEREST, CITY OF (WWTP), Everest, KS0027171, held by EVEREST, CITY OF
April 1, 2021: SEVERY, CITY OF (WWTP), Severy, KS0029076, held by SEVERY, CITY OF
April 1, 2021: RANSOM, CITY OF (WWTP), Ransom, KS0031453, held by RANSOM, CITY OF
April 1, 2021: EMMETT, CITY OF (WWTP), Emmett, KS0046396, held by EMMETT, CITY OF
April 1, 2021: OSKALOOSA, CITY OF (WWTP), Oskaloosa, KS0046442, held by OSKALOOSA, CITY OF
April 1, 2021: USD #450 SHAWNEE HEIGHTS JR-SR HIGH (WWTP), Tecumseh, KS0078956, held by USD #450 SHAWNEE HEIGHTS JR-SR
April 1, 2021: CHAUTAUQUA, CITY OF (WWTP), Chautauqua, KS0083291, held by CHAUTAUQUA, CITY OF
April 1, 2021: JEFFERSON CO. S.D. #6 LAKE SHORE ESTATE (WWTP), Ozawkie, KS0093173, held by JEFF. CO. HEALTH DEPARTMENT
April 1, 2021: JEFFERSON CO SD #2 - INDIAN RIDGE (WWTP), Ozawkie, KS0097748, held by JEFFERSON CO. HEALTH DEPT.
April 1, 2021: CEDAR VALE, CITY OF (WWTP), Cedar Vale, KS0116947, held by CEDAR VALE, CITY OF

LINWOOD, CITY OF (WWTP) among its neighbors

EPA’s permit file holds 2 discharge permits in the Pony Creek-Ninemile Creek subwatershed (HUC 102701040406), KS0047481 among them. Its county holds 95, 2 of them major permits; KS0047481 is a minor permit.

Other permits in the Pony Creek-Ninemile Creek subwatershed (HUC 102701040406)

GARDEN VILLAS, Lawrence: KSR122023, minor permit, permit term to July 31, 2027

Identity

Facility as filed	LINWOOD, CITY OF (WWTP)
Permittee as filed	LINWOOD, CITY OF
NPDES ID	KS0047481
Permit status	Administratively continued (past its expiration date and still in force until reissued)
Permit type	Individual permit
Discharger class	Minor discharger
Facility type	Publicly owned treatment works
Program	Publicly owned treatment works
Issued	April 1, 2021
Expiration date	December 31, 2025
Issuing agency	Kansas Department of Health and Environment (KDHE)
Address	Linwood, KS 66052
Receiving water	Ninemile Cr (1027010415)
Receiving water impaired	303(D) Listed
Subwatershed	Pony Creek-Ninemile Creek (HUC 102701040406)
NAICS	221320 – Sewage Treatment Facilities
SIC	4952 – Sewerage Systems

Effluent limits and exceedances

6Pollutants on file
5Under a numeric limit
6With a violation of any kind
3With an effluent exceedance

An effluent exceedance is a discharge monitoring report value over the permit’s numeric limit (EPA’s violation code E90). A violation of any kind also counts a report not filed. Each row is EPA’s own count for that pollutant.

Pollutant or measure	Limits	Violations, any kind	Effluent exceedances	Latest exceedance	Largest exceedance, as filed
BOD, 5-day, 20 deg. C	3	14	11	March 31, 2026	103% over the limit
Solids, total suspended	3	7	4	June 30, 2022	13% over the limit
E. coli	1	2	1	March 31, 2022	125% over the limit
Lead, total recoverable	0	2	0
Nitrogen, ammonia total [as N]	4	1	0
pH	1	1	0

Inspections, violations and enforcement

0Single-event violations

EPA’s single-event violation file, as loaded, holds no violation for NPDES KS0047481.

Inspections

EPA’s inspection file holds no inspection for NPDES KS0047481.

Formal enforcement and penalties

0 formal actions, 0 of them with a penalty assessed. Federal and state penalties are separate figures from separate authorities and are shown as each was filed, never added together.

Informal enforcement

EPA’s informal enforcement file holds no action for NPDES KS0047481.

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Figures from EPA’s ICIS-NPDES download, loaded October 14, 2026.

This public-records page covers the Clean Water Act discharge permit NPDES KS0047481, held by the City of Linwood for its wastewater treatment plant in Linwood, KS, which discharges to Ninemile Cr. The permit is administratively continued, and the figures listed are 5 pollutants under a numeric limit and 3 pollutants with an effluent exceedance.