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Clean Water Act discharge permit · NPDES OH0144444

BOSTON MILLS HISTORIC DIST WWT WETLANDS, Boston Twp, OH: NPDES OH0144444 discharge permit, effluent exceedances, inspections, penalties

BOSTON MILLS HISTORIC DIST WWT WETLANDS, held by Cuyahoga Valley National Park, holds NPDES permit OH0144444, which discharges to Cuyahoga River. EPA’s file records it issued October 17, 2018 and expiring November 30, 2023. The status and dates are as EPA’s permit file stood when Velarion loaded it (October 14, 2026); EPA’s free Detailed Facility Report on ECHO carries the permit’s current standing.

Identity

Facility as filedBOSTON MILLS HISTORIC DIST WWT WETLANDS
Permittee as filedCuyahoga Valley National Park
NPDES IDOH0144444
Permit statusAdministratively continued (past its expiration date and still in force until reissued)
Permit typeIndividual permit
Discharger classMinor discharger
Facility typeNot a publicly owned treatment works
IssuedOctober 17, 2018
Expiration dateNovember 30, 2023
AddressBoston Twp, OH 44141
Receiving waterCuyahoga River
Receiving water impaired303(D) Listed
SubwatershedBoston Run-Cuyahoga River (HUC 041100020405)
SIC8999 – Services

Cited to the EPA ICIS-NPDES permit file (ECHO download) and EPA’s NAICS/SIC and component files, the same download.

Effluent limits and exceedances

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 measureLimitsViolations, any kindEffluent exceedancesLatest exceedanceLargest exceedance, as filed
BOD, carbonaceous [5 day, 20 C]46517February 29, 202015,964,812% over the limit
Nitrogen, ammonia total [as N]86315May 31, 20191,764,606% over the limit
Solids, total suspended46412February 29, 20207,794,018% over the limit
Chlorine, total residual195May 31, 202033,058% over the limit
pH2233January 31, 2020
Oxygen, dissolved [DO]1142March 31, 202117% over the limit
Temperature, water deg. centigrade2200
Turbidity [severity]2200
Flow, in conduit or thru treatment plant2200
E. coli, MTEC-MF280
Solids, total dissolved- 180 deg. C180
Nitrogen, Kjeldahl, total [as N]260
Nitrite + Nitrate total [as N]260
Phosphorus, total [as P]260
Sludge waste from secondary clarifiers220

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

EPA’s single-event violation file, as loaded, holds no violation for NPDES OH0144444.

Inspections

DateWhat EPA recordedAgency
March 17, 2026EvaluationS

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 OH0144444.

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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Nearby on the register

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

What this page shows

This public-records page covers Clean Water Act discharge permit NPDES OH0144444 for BOSTON MILLS HISTORIC DIST WWT WETLANDS in Boston Twp, OH, held by Cuyahoga Valley National Park and discharging to the Cuyahoga River. The page lists 15 pollutants under a numeric limit and 6 pollutants with an effluent exceedance, and records the permit as administratively continued, with an issue date of October 17, 2018 and an expiration date of November 30, 2023.