Clean Water Act discharge permit · NPDES NDG525780
MADDOCK WTP, Maddock, ND: NPDES NDG525780 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 6Pollutants under a numeric limit
- 0Pollutants with an effluent exceedance
MADDOCK WTP, held by Maddock City Of, holds NPDES permit NDG525780, which discharges to Upper Sheyenne. EPA’s file records it issued March 15, 2019 and expiring March 31, 2024. 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 filed | MADDOCK WTP |
|---|---|
| Permittee as filed | Maddock City Of |
| NPDES ID | NDG525780 |
| Permit status | Administratively continued (past its expiration date and still in force until reissued) |
| Permit type | Coverage under a general permit |
| Discharger class | Minor discharger |
| Facility type | Not a publicly owned treatment works |
| Issued | March 15, 2019 |
| Expiration date | March 31, 2024 |
| Issuing agency | North Dakota Department of Environmental Quality |
| Address | Maddock, ND 58348 |
| Receiving water | Upper Sheyenne |
| Subwatershed | Town of Maddock-Sheyenne River (HUC 090202020802) |
Cited to the EPA ICIS-NPDES permit file (ECHO download).
Effluent limits and exceedances
- 33Pollutants on file
- 6Under a numeric limit
- 33With a violation of any kind
- 0With 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 |
|---|---|---|---|---|---|
| Solids, total suspended | 3 | 21 | 0 | ||
| Iron, total [as Fe] | 3 | 21 | 0 | ||
| Manganese, total [as Mn] | 3 | 21 | 0 | ||
| pH | 2 | 15 | 0 | ||
| Flow, in conduit or thru treatment plant | 2 | 12 | 0 | ||
| Flow, total | 1 | 6 | 0 | ||
| Hardness, total [as CaCO3] | 0 | 6 | 0 | ||
| Sulfate, total [as SO4] | 0 | 5 | 0 | ||
| Conductivity | 0 | 3 | 0 | ||
| Alkalinity, total [as CaCO3] | 0 | 3 | 0 | ||
| Bicarbonate ion- [as HCO3] | 0 | 3 | 0 | ||
| Carbonate ion- [as CO3] | 0 | 3 | 0 | ||
| Nitrite + Nitrate total [as N] | 0 | 3 | 0 | ||
| Phosphorus, total [as P] | 0 | 3 | 0 | ||
| Calcium, total [as Ca] | 0 | 3 | 0 | ||
| Magnesium, total [as Mg] | 0 | 3 | 0 | ||
| Sodium, total [as Na] | 0 | 3 | 0 | ||
| Sodium adsorption ratio | 0 | 3 | 0 | ||
| Sodium, % | 0 | 3 | 0 | ||
| Potassium, total [as K] | 0 | 3 | 0 | ||
| Chloride [as Cl] | 0 | 3 | 0 | ||
| Fluoride, total [as F] | 0 | 3 | 0 | ||
| Silica, total [as SiO2] | 0 | 3 | 0 | ||
| Arsenic, total [as As] | 0 | 3 | 0 | ||
| Cadmium, total [as Cd] | 0 | 3 | 0 | ||
| Copper, total [as Cu] | 0 | 3 | 0 | ||
| Lead, total [as Pb] | 0 | 3 | 0 | ||
| Nickel, total [as Ni] | 0 | 3 | 0 | ||
| Zinc, total [as Zn] | 0 | 3 | 0 | ||
| Selenium, total [as Se] | 0 | 3 | 0 | ||
| Hydroxide | 0 | 3 | 0 | ||
| Solids, total dissolved [TDS] | 0 | 3 | 0 | ||
| Turbidity, lab, NTU | 0 | 3 | 0 |
EPA’s effluent violation file records no exceedance of a numeric limit for NPDES NDG525780.
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 NDG525780.
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.
Watch this permit
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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 NDG525780 there.
Nearby on the register
Figures from EPA’s ICIS-NPDES download, loaded October 14, 2026.