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Clean Water Act discharge permit · NPDES ND0021849

WATFORD CITY CITY OF, Watford City, ND: NPDES ND0021849 discharge permit, effluent exceedances, inspections, penalties

WATFORD CITY CITY OF, held by City of Watford City, holds NPDES permit ND0021849, which discharges to Lower Little Missouri. EPA’s file records it issued September 30, 2020 and expiring September 30, 2025. 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 filedWATFORD CITY CITY OF
Permittee as filedCity of Watford City
NPDES IDND0021849
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
IssuedSeptember 30, 2020
Expiration dateSeptember 30, 2025
Issuing agencyNorth Dakota Department of Environmental Quality
AddressWatford City, ND 58854
Receiving waterLower Little Missouri
SubwatershedTown of Watford City (HUC 101102050404)
Program components on filePOTW, Pretreatment
NAICS221320 – Sewage Treatment Facilities
SIC4952 – Sewerage Systems

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
E. coli52719October 31, 20242,016% over the limit
Solids, total suspended752December 31, 2015504% over the limit
pH442December 31, 2023
BOD, percent removal [total]132May 31, 2018267% over the limit
BOD, 5-day, 20 deg. C741May 31, 201811% over the limit
Phosphorus, total [as P]6200
Nitrogen, total [as N]6170
Nitrite + Nitrate total [as N]0120
Toxic Units Static Renewal 48Hr Acute Ceriodaphnia dubia270
TU Static Renewal 96Hr Acute Pimphales promelas270
Chlorine, total residual440
Cyanide, total [as CN]630
Nitrogen, ammonia total [as N]530
Temperature, water deg. centigrade330
TU Static Renewal 7-Day Chronic Ceriodaphnia dubia130
TU Static Renewal 7-Day Chronic Pimphales promelas130
Oil and grease visual220
Oil & Grease210
Solids, suspended percent removal110
Arsenic, total [as As]600
Beryllium, total [as Be]600
Cadmium, total [as Cd]600
Chromium, total [as Cr]600
Copper, total [as Cu]600
Lead, total [as Pb]600
Thallium, total [as Tl]600
Nickel, total [as Ni]600
Silver, total [as Ag]600
Zinc, total [as Zn]600
Antimony, total [as Sb]600
Selenium, total [as Se]600
Total phenols600
Mercury, total [as Hg]600
Flow, in conduit or thru treatment plant400
Hardness, total [as CaCO3]300
Flow, total200
Oxygen, dissolved [DO]100

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 ND0021849.

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 October 14, 2026.

What this page shows

This public-records page covers the Clean Water Act discharge permit NPDES ND0021849, held by City of Watford City for the WATFORD CITY CITY OF facility in Watford City, ND, which discharges to Lower Little Missouri. The permit is listed as administratively continued, with a Minor discharger class, 5 pollutants with an effluent exceedance, and 36 pollutants under a numeric limit.