Velarion Records

Clean Water Act discharge permit · NPDES NDG120397

ZAP CITY OF, Zap, ND: NPDES NDG120397 discharge permit, effluent exceedances, inspections, penalties

ZAP CITY OF, held by Zap City Of, holds NPDES permit NDG120397, which discharges to Knife. EPA’s file records it issued March 17, 2014 and expiring September 30, 2023. 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 filedZAP CITY OF
Permittee as filedZap City Of
NPDES IDNDG120397
Permit statusAdministratively continued (past its expiration date and still in force until reissued)
Permit typeCoverage under a general permit
Discharger classMinor discharger
Facility typePublicly owned treatment works
ProgramPublicly owned treatment works
IssuedMarch 17, 2014
Expiration dateSeptember 30, 2023
Issuing agencyNorth Dakota Department of Environmental Quality
AddressZap, ND 58580
Receiving waterKnife
SubwatershedTown of Zap (HUC 101302010909)

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
Nitrogen, ammonia total [as N]5250
pH4200
BOD, 5-day, 20 deg. C3150
Solids, total suspended3150
Stream flow, instantaneous3140
E. coli3120
Temperature, water deg. centigrade2100
Flow, in conduit or thru treatment plant280
Flow, total150
Oil & Grease030
Oil and grease visual010

EPA’s effluent violation file records no exceedance of a numeric limit for NPDES NDG120397.

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 NDG120397.

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

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, NDG120397.

Start the watch

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

How we handle your data → Privacy

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 NDG120397 there.

Nearby on the register

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

The Pay Desk is the free weekly executive pay briefing — one company at a time, every number traceable to a public filing.
We’ll email you a link to confirm. Unsubscribe any time.