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Clean Water Act discharge permit · NPDES OR0041505

CITY OF DAYVILLE, Dayville, OR: NPDES OR0041505 discharge permit, effluent exceedances, inspections, penalties

CITY OF DAYVILLE, held by DAYVILLE, CITY OF, holds NPDES permit OR0041505. EPA’s file records it issued June 21, 2016 and expiring May 31, 2021. 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 filedCITY OF DAYVILLE
Permittee as filedDAYVILLE, CITY OF
NPDES IDOR0041505
Permit statusAdministratively continued (past its expiration date and still in force until reissued)
Permit typeIndividual permit
Discharger classMinor discharger
Facility typePublicly owned treatment works
ProgramPublicly owned treatment works
IssuedJune 21, 2016
Expiration dateMay 31, 2021
AddressDayville, OR 97825
SubwatershedSmoky Creek-South Fork John Day River (HUC 170702010405)

Cited to the EPA ICIS-NPDES permit file (ECHO 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, 5-day, 20 deg. C6225March 31, 2024203% over the limit
Chlorine, total residual3114March 31, 2024500% over the limit
pH492March 31, 2024
BOD, 5-day, percent removal142March 31, 2024468% over the limit
Solids, suspended percent removal142March 31, 202466% over the limit
Solids, total suspended6180
Flow, in conduit or thru treatment plant8120
E. coli480
Temperature, water deg. centigrade450
Chlorine usage230
Oxygen, dissolved [DO]120
Nitrite + Nitrate total [as N]120
Alkalinity, total [as CaCO3]020
Oil & Grease020
Nitrogen, Kjeldahl, total [as N]020
Phosphorus, total [as P]020
Solids, total dissolved020
Excess thermal load010
Nitrogen, ammonia total [as N]100
Flow, total100

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

DateWhat EPA recordedAgency
July 15, 2024Reporting Violations - Failure to Submit DMRsST6
June 15, 2024Reporting Violations - Failure to Submit DMRsST6
May 15, 2024Reporting Violations - Late Submittal of DMRsST6
April 15, 2024Reporting Violations - Late Submittal of DMRsST6
February 15, 2024Reporting Violations - Failure to submit required report (non-DMR non-pretreatment)ST6
November 22, 2023Monitoring Violations - No Flow Measurement DeviceST6
September 15, 2023Failure to submit required report within 30 days of applicable due date (Level I)ST6
August 24, 2023Reporting Violations - Failure to submit required report (non-DMR non-pretreatment)ST6
June 19, 2023Failure to conduct required sampling and analysisST6
June 18, 2023Failure to conduct required sampling and analysisST6
May 4, 2023Failure to conduct required sampling and analysisST6
May 1, 2023Monitoring Violations - Failure to Monitor for Non-Toxicity RequirementsST6
April 15, 2023Reporting Violations - Failure to Submit DMRsST6
April 1, 2023Failure to conduct required sampling and analysisST6
March 20, 2023Permit Violations - Unapproved OperationST6
February 15, 2023Reporting Violations - Failure to submit required report (non-DMR non-pretreatment)ST6
January 15, 2023Reporting Violations - Failure to submit required report (non-DMR non-pretreatment)ST6
January 1, 2023Reporting Violations - Failure to NotifyST6
January 1, 2023Management Practice Violations - Improper Operation and MaintenanceST6
September 1, 2019Reporting Violations - Failure to Submit DMRsST6
March 1, 2019Monitoring Violations - Analysis not ConductedST6
March 1, 2019Effluent Violations - Numeric effluent violationST6
January 1, 2019Reporting Violations - Failure to submit required report (non-DMR non-pretreatment)ST6
November 1, 2018Reporting Violations - Failure to Submit DMRsST6
July 1, 2017Monitoring Violations - Analysis not ConductedST6
January 1, 2017Monitoring Violations - Analysis not ConductedST6

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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Nearby on the register

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

What this page shows

This public-records page covers the NPDES discharge permit OR0041505 held by the City of Dayville in Dayville, OR, a publicly owned treatment works that is administratively continued and classed as a minor discharger. The page lists 14 pollutants under a numeric limit, 5 pollutants with an effluent exceedance, 20 pollutants on file, and 18 with a violation of any kind, within the Smoky Creek-South Fork John Day River subwatershed (HUC 170702010405).