Clean Water Act discharge permit · NPDES OH0143472

COUNTRY TIME SUBDIV WWTP, Celina, OH: NPDES OH0143472 discharge permit, effluent exceedances, inspections, penalties

Administratively continuedPermit status
MinorDischarger class
14Pollutants under a numeric limit
1Pollutants with an effluent exceedance

COUNTRY TIME SUBDIV WWTP, held by Mercer Co Brd of Comm, holds NPDES permit OH0143472, which discharges to Twelve Mile Creek. EPA’s file records it issued June 29, 2021 and expiring July 31, 2026. The status and dates are as EPA’s permit file stood when Velarion loaded it (September 15, 2026); EPA’s free Detailed Facility Report on ECHO carries the permit’s current standing.

Identity

Facility as filed	COUNTRY TIME SUBDIV WWTP
Permittee as filed	Mercer Co Brd of Comm
NPDES ID	OH0143472
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	Combined sewer overflows
Issued	June 29, 2021
Expiration date	July 31, 2026
Address	Celina, OH 45822
Receiving water	Twelve Mile Creek
Receiving water impaired	303(D) Listed
Subwatershed	Twelvemile Creek (HUC 041000040204)

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

Effluent limits and exceedances

14Pollutants on file
14Under a numeric limit
12With a violation of any kind
1With 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	22	6	January 31, 2018	123% over the limit
Solids, total suspended	4	16	0
BOD, carbonaceous [5 day, 20 C]	4	16	0
Temperature, water deg. centigrade	2	8	0
pH	2	8	0
Turbidity [severity]	2	8	0
Flow, in conduit or thru treatment plant	2	8	0
E. coli, MTEC-MF	2	6	0
Nitrite + Nitrate total [as N]	2	4	0
Phosphorus, total [as P]	2	4	0
Oxygen, dissolved [DO]	1	4	0
Chlorine, total residual	1	3	0
Biosolids weight indluding admixtures	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 OH0143472.

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.

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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 OH0143472 there.

Nearby on the register

Figures from EPA’s ICIS-NPDES download, loaded September 15, 2026.

This public-records page covers Clean Water Act discharge permit NPDES OH0143472 for COUNTRY TIME SUBDIV WWTP in Celina, OH, held by Mercer Co Brd of Comm and discharging to Twelve Mile Creek. The page lists 14 pollutants on file, 12 of them under a numeric limit, and 1 pollutant with an effluent exceedance.