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Clean Water Act discharge permit · NPDES ND0022861

MANDAN CITY OF, Mandan, ND: NPDES ND0022861 discharge permit, effluent exceedances, inspections, penalties

MANDAN CITY OF, held by Mandan City Of, holds NPDES permit ND0022861, which discharges to Painted Woods-Square Butte. EPA’s file records it issued September 28, 2016 and expiring September 30, 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 filedMANDAN CITY OF
Permittee as filedMandan City Of
NPDES IDND0022861
Permit statusAdministratively continued (past its expiration date and still in force until reissued)
Permit typeIndividual permit
Discharger classMajor discharger
Facility typePublicly owned treatment works
ProgramPublicly owned treatment works
IssuedSeptember 28, 2016
Expiration dateSeptember 30, 2021
Issuing agencyNorth Dakota Department of Environmental Quality
AddressMandan, ND 58554
Receiving waterPainted Woods-Square Butte
SubwatershedRock Haven Creek-Missouri River (HUC 101301011005)

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
E. coli24610June 30, 2021492% over the limit
BOD, 5-day, 20 deg. C484February 28, 201528% over the limit
Solids, total suspended473February 28, 201558% over the limit
pH462December 31, 2020
Coliform, fecal general021July 31, 2011134% over the limit
Temperature, water deg. centigrade440
Stream flow, instantaneous220
Nitrogen, ammonia total [as N]220
Flow, in conduit or thru treatment plant220
Oil & Grease110
Nitrogen, Kjeldahl, total [as N]110
Nitrite + Nitrate total [as N]110
Phosphorus, total [as P]110
Flow, total110
Oil and grease visual110
TU LC50 Static Renewal 96Hr Acute Pimephales promelas110
Cyanide, total [as CN]200
Arsenic, total [as As]200
Beryllium, total [as Be]200
Cadmium, total [as Cd]200
Chromium, total [as Cr]200
Copper, total [as Cu]200
Lead, total [as Pb]200
Thallium, total [as Tl]200
Nickel, total [as Ni]200
Silver, total [as Ag]200
Zinc, total [as Zn]200
Antimony, total [as Sb]200
Selenium, total [as Se]200
Phenolics, total recoverable200
Mercury, total [as Hg]200
Analytical Chemistry100
Pass/Fail Static Renewal 48Hr Acute Ceriodaphnia dubia100
Pass/Fail Static Renewal 96Hr Acute Pimephales Promelas100
Toxic Units Static 48HR Acute Ceriodaphnia dubia100

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 ND0022861.

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 ND0022861 there.

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 Clean Water Act NPDES discharge permit ND0022861 held by Mandan City Of in Mandan, ND, which discharges to Painted Woods-Square Butte and is classed as a Major Discharger. The permit is listed as administratively continued, with 34 pollutants under a numeric limit and 5 pollutants with an effluent exceedance, and its file shows issuance on September 28, 2016 and expiration on September 30, 2021.