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Clean Water Act discharge permit · NPDES NDR113401

EXPO SUBSTATION, Watford City, ND: NPDES NDR113401 discharge permit, effluent exceedances, inspections, penalties

EXPO SUBSTATION, held by John Carns, holds NPDES permit NDR113401. EPA’s file records it issued August 11, 2025 and expiring March 31, 2030.

EXPO SUBSTATION, Watford City, North Dakota: Coverage under a general permit NDR113401, held by John Carns; Construction stormwater; Effective; issued August 11, 2025, term to March 31, 2030, by North Dakota Department of Environmental Quality.

North Dakota holds 2,244 Construction stormwater coverages of this permit type in EPA’s file; 1,467 were issued before NDR113401. John Carns holds 2 permits in North Dakota.

Other permits held by John Carns

Coverages issued nearest NDR113401

EXPO SUBSTATION among its neighbors

EPA’s permit file holds 8 discharge permits in the Cherry School subwatershed (HUC 101102050402), NDR113401 among them. Its county holds 176, 0 of them major permits; NDR113401 is a minor permit.

Other permits in the Cherry School subwatershed (HUC 101102050402)

What the register holds for EXPO SUBSTATION: its NPDES ID, its permit type and status, its dates, its address in Watford City, North Dakota. EPA’s effluent violation file and its single-event violation file hold no violation for NPDES NDR113401.

Identity

Facility as filedEXPO SUBSTATION
Permittee as filedJohn Carns
NPDES IDNDR113401
Permit statusEffective
Permit typeCoverage under a general permit
Discharger classMinor discharger
Facility typeNot a publicly owned treatment works
ProgramConstruction stormwater
IssuedAugust 11, 2025
Expiration dateMarch 31, 2030
Issuing agencyNorth Dakota Department of Environmental Quality
AddressWatford City, ND 58854
SubwatershedCherry School (HUC 101102050402)

Effluent limits and exceedances

EPA’s limits and effluent violation files hold no pollutant row for NPDES NDR113401.

Inspections, violations and enforcement

EPA’s single-event violation file, as loaded, holds no violation for NPDES NDR113401.

Inspections

EPA’s inspection file holds no inspection for NPDES NDR113401.

Formal enforcement and penalties

0 formal actions, 0 of them with a penalty assessed. Federal and state penalties are separate figures from separate authorities and are shown as each was filed, never added together.

Informal enforcement

EPA’s informal enforcement file holds no action for NPDES NDR113401.

Watch this permit

One permit holder, $99/month. Watch the register for one permit holder and the places and receiving waters tied to its permits. Choose “One permit holder” and enter this permit’s NPDES ID, NDR113401.

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How often?
  • One permit holder — $99/month
  • One watershed — $2,990/year
  • One state — $4,990/year
  • The whole register — $18,000/year

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Nearby on the register

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

What this page shows

0.0% of the 128 storm water construction permits in McKenzie County carry a violation on record, and EXPO SUBSTATION is among them. The Cherry School subwatershed holds 8 NPDES permits, and 55.5% of McKenzie County's 128 permits were issued before this permit.