Clean Water Act discharge permit · NPDES ND0022462
ENDERLIN CITY OF, Enderlin, ND: NPDES ND0022462 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 42Pollutants under a numeric limit
- 12Pollutants with an effluent exceedance
ENDERLIN CITY OF, held by Enderlin City Of, holds NPDES permit ND0022462, which discharges to Maple. EPA’s file records it issued December 28, 2016 and expiring December 31, 2021. The status and dates are as EPA’s permit file stood when Velarion loaded it (September 14, 2026); EPA’s free Detailed Facility Report on ECHO carries the permit’s current standing.
Identity
| Facility as filed | ENDERLIN CITY OF |
|---|---|
| Permittee as filed | Enderlin City Of |
| NPDES ID | ND0022462 |
| Permit status | Administratively continued (past its expiration date and still in force until reissued) |
| Permit type | Individual permit |
| Discharger class | Minor discharger |
| Facility type | Publicly owned treatment works |
| Program | Publicly owned treatment works |
| Issued | December 28, 2016 |
| Expiration date | December 31, 2021 |
| Issuing agency | North Dakota Department of Environmental Quality |
| Address | Enderlin, ND 58027 |
| Receiving water | Maple |
| Receiving water impaired | 303(D) Listed |
| Subwatershed | Trinity Cemetery-Maple River (HUC 090202050403) |
Cited to the EPA ICIS-NPDES permit file (ECHO download).
Effluent limits and exceedances
- 45Pollutants on file
- 42Under a numeric limit
- 45With a violation of any kind
- 12With 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 |
|---|---|---|---|---|---|
| pH | 24 | 141 | 47 | June 30, 2026 | |
| Solids, total suspended | 30 | 144 | 33 | June 30, 2026 | 2,989% over the limit |
| Sulfate, total [as SO4] | 30 | 211 | 24 | November 30, 2025 | 88% over the limit |
| Toxic Units Static 48HR Acute Ceriodaphnia dubia | 3 | 18 | 10 | December 31, 2021 | 580% over the limit |
| Toxic Units Static Renewal 48Hr Acute Ceriodaphnia dubia | 0 | 10 | 9 | June 30, 2026 | 430% over the limit |
| Chloride [as Cl] | 30 | 201 | 8 | November 30, 2025 | 191% over the limit |
| BOD, 5-day, 20 deg. C | 6 | 51 | 8 | December 31, 2024 | 222% over the limit |
| TU LC50 Static Renewal 96Hr Acute Pimephales promelas | 3 | 15 | 7 | December 31, 2021 | 182% over the limit |
| TU Static Renewal 96Hr Acute Pimphales promelas | 0 | 8 | 7 | June 30, 2026 | 100% over the limit |
| Zinc, total [as Zn] | 21 | 68 | 2 | June 30, 2020 | 5,000% over the limit |
| Chromium, total [as Cr] | 21 | 59 | 2 | March 31, 2021 | 150% over the limit |
| E. coli | 6 | 63 | 1 | August 31, 2022 | 1,213,763% over the limit |
| Oxygen, dissolved [DO] | 21 | 126 | 0 | ||
| Silica, total [as SiO2] | 21 | 108 | 0 | ||
| Sodium adsorption ratio | 21 | 96 | 0 | ||
| Sodium, % total cations | 21 | 90 | 0 | ||
| Phosphorus, total [as P] | 9 | 84 | 0 | ||
| Oil & Grease | 9 | 66 | 0 | ||
| Nitrogen, ammonia total [as N] | 9 | 57 | 0 | ||
| Alkalinity, total [as CaCO3] | 21 | 54 | 0 | ||
| Fluoride, total [as F] | 21 | 48 | 0 | ||
| Nitrogen, Kjeldahl, total [as N] | 9 | 48 | 0 | ||
| Conductivity | 21 | 45 | 0 | ||
| Bicarbonate ion- [as HCO3] | 21 | 45 | 0 | ||
| Carbonate ion- [as CO3] | 21 | 45 | 0 | ||
| Hardness, total [as CaCO3] | 21 | 45 | 0 | ||
| Calcium, total [as Ca] | 21 | 45 | 0 | ||
| Magnesium, total [as Mg] | 21 | 45 | 0 | ||
| Potassium, total [as K] | 21 | 45 | 0 | ||
| Iron, total [as Fe] | 21 | 45 | 0 | ||
| Manganese, total [as Mn] | 21 | 45 | 0 | ||
| Hydroxide | 21 | 45 | 0 | ||
| Solids, total dissolved [TDS] | 21 | 45 | 0 | ||
| Nitrite + Nitrate total [as N] | 9 | 45 | 0 | ||
| Temperature, water deg. centigrade | 6 | 42 | 0 | ||
| Sodium, total [as Na] | 21 | 36 | 0 | ||
| Turbidity, lab, NTU | 21 | 36 | 0 | ||
| Flow, in conduit or thru treatment plant | 6 | 34 | 0 | ||
| Nitrogen, total [as N] | 0 | 33 | 0 | ||
| Stream flow, instantaneous | 4 | 30 | 0 | ||
| Oil and grease visual | 3 | 19 | 0 | ||
| Flow, total | 3 | 17 | 0 | ||
| Temperature, water deg. fahrenheit | 3 | 9 | 0 | ||
| Chlorine, free available | 3 | 9 | 0 | ||
| Priority pollutants scan [yes/no] | 1 | 4 | 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 ND0022462.
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 ND0022462 there.
Nearby on the register
Figures from EPA’s ICIS-NPDES download, loaded September 14, 2026.