Clean Water Act discharge permit · NPDES NDG121903

HILLSBORO CITY OF, Hillsboro, ND: NPDES NDG121903 discharge permit, effluent exceedances, inspections, penalties

Administratively continuedPermit status
MinorDischarger class
9Pollutants under a numeric limit
2Pollutants with an effluent exceedance

HILLSBORO CITY OF, held by City of Hillsboro, holds NPDES permit NDG121903, which discharges to Goose. 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 (October 14, 2026); EPA’s free Detailed Facility Report on ECHO carries the permit’s current standing.

Identity

Facility as filed	HILLSBORO CITY OF
Permittee as filed	City of Hillsboro
NPDES ID	NDG121903
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	Publicly owned treatment works
Program	Publicly owned treatment works
Issued	March 17, 2014
Expiration date	September 30, 2023
Issuing agency	North Dakota Department of Environmental Quality
Address	Hillsboro, ND 58045
Receiving water	Goose
Subwatershed	Norway Drain No 38-Goose River (HUC 090201090604)
NAICS	221320 – Sewage Treatment Facilities
SIC	4952 – Sewerage Systems

Cited to the EPA ICIS-NPDES permit file (ECHO download) and EPA’s NAICS/SIC and component files, the same download.

Effluent limits and exceedances

11Pollutants on file
9Under a numeric limit
11With a violation of any kind
2With 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	10	4	September 30, 2023	65% over the limit
pH	4	13	3	September 30, 2023
Nitrogen, ammonia total [as N]	5	12	0
Stream flow, instantaneous	3	8	0
BOD, 5-day, 20 deg. C	3	6	0
E. coli	3	6	0
Temperature, water deg. centigrade	2	6	0
Flow, in conduit or thru treatment plant	2	4	0
Oil & Grease	0	3	0
Flow, total	1	2	0
Oil and grease visual	0	1	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 NDG121903.

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, NDG121903.

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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 NDG121903 there.

Nearby on the register

Figures from EPA’s ICIS-NPDES download, loaded October 14, 2026.

This public-records page covers the Clean Water Act discharge permit NDG121903 held by the City of Hillsboro for its publicly owned treatment works, which discharges to Goose and is administratively continued past its September 30, 2023 expiration. The page lists 9 pollutants under a numeric limit and 2 pollutants with an effluent exceedance, with the permit classed as a minor discharger.