Clean Water Act discharge permit · NPDES OH0143570

POLK WWTP, Polk, OH: NPDES OH0143570 discharge permit, effluent exceedances, inspections, penalties

Administratively continuedPermit status
MinorDischarger class
15Pollutants under a numeric limit
5Pollutants with an effluent exceedance

POLK WWTP, held by Polk, Village of, holds NPDES permit OH0143570, which discharges to Katotawa Creek. EPA’s file records it issued June 6, 2017 and expiring June 30, 2022. The status and dates are as EPA’s permit file stood when Velarion loaded it (September 14, 2026); EPA’s free Detailed Facility Report on ECHO carries the permit’s current standing.

Identity

Facility as filed	POLK WWTP
Permittee as filed	Polk, Village of
NPDES ID	OH0143570
Permit status	Administratively continued (past its expiration date and still in force until reissued)
Permit type	Individual permit
Discharger class	Minor discharger
Facility type	Not a publicly owned treatment works
Program	Biosolids
Issued	June 6, 2017
Expiration date	June 30, 2022
Address	Polk, OH 45866
Receiving water	Katotawa Creek
Receiving water impaired	303(D) Listed
Subwatershed	Katotawa Creek (HUC 050400020603)

Cited to the EPA ICIS-NPDES permit file (ECHO download).

Effluent limits and exceedances

16Pollutants on file
15Under a numeric limit
13With a violation of any kind
5With 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
Nitrogen, ammonia total [as N]	8	71	47	September 30, 2025	1,040% over the limit
Solids, total suspended	4	51	27	December 31, 2022	400% over the limit
BOD, carbonaceous [5 day, 20 C]	4	38	14	July 31, 2022	967% over the limit
E. coli, MTEC-MF	2	13	3	August 31, 2025	620% over the limit
pH	2	14	2	November 30, 2019
Overflows	2	16	0
Temperature, water deg. centigrade	2	12	0
Turbidity [severity]	2	12	0
Flow, in conduit or thru treatment plant	2	12	0
Oxygen, dissolved [DO]	1	6	0
Nitrite + Nitrate total [as N]	2	2	0
Phosphorus, total [as P]	2	2	0
Nitrogen, Kjeldahl, total [as N]	0	2	0
Biosolids weight indluding admixtures	2	0	0
Solids, total dissolved- 180 deg. C	2	0	0
Sludge waste from secondary clarifiers	2	0	0

Cited to the EPA ICIS-NPDES limits and effluent violations files (ECHO download); up to 60 rows shown, most exceedances first.

Inspections, violations and enforcement

0Single-event violations

EPA’s single-event violation file, as loaded, holds no violation for NPDES OH0143570.

Velarion’s copy of EPA’s ICIS-NPDES files does not include the inspections, formal enforcement actions and informal enforcement actions files, so this page shows none of them. EPA’s free Detailed Facility Report on ECHO lists this permit’s inspections, enforcement actions and penalties.

Cited to the EPA ICIS-NPDES violation, inspection and enforcement files (ECHO download); up to 50 rows of each shown, newest first.

Watch this permit

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EPA publishes a free Detailed Facility Report for every permit on ECHO: its compliance status quarter by quarter, its inspections, and its enforcement actions and penalties. EPA also sends free notices of new inspections and enforcement actions through ECHO Notify; enter NPDES ID OH0143570 there.

Nearby on the register

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