Clean Water Act discharge permit · NPDES MN0021458

HOKAH WWTP, Hokah, MN: NPDES MN0021458 discharge permit, effluent exceedances, inspections, penalties

Administratively continuedPermit status
MinorDischarger class
0Pollutants under a numeric limit
5Pollutants with an effluent exceedance

HOKAH WWTP, held by HOKAH, holds NPDES permit MN0021458, which discharges to Root R. EPA’s file records it issued September 20, 2013 and expiring August 31, 2018. 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	HOKAH WWTP
Permittee as filed	HOKAH
NPDES ID	MN0021458
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	September 20, 2013
Expiration date	August 31, 2018
Address	Hokah, MN 55941
Receiving water	ROOT R
Subwatershed	Thompson Creek (HUC 070400080903)
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

13Pollutants on file
0Under a numeric limit
13With a violation of any kind
5With 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	Violations, any kind	Effluent exceedances	Latest exceedance	Largest exceedance, as filed
BOD, carbonaceous [5 day, 20 C]	14	6	May 31, 2020	92% over the limit
Solids, total suspended	13	5	January 31, 2024	36% over the limit
Coliform, fecal MPN + membrane ftl 44.5 C	7	4	September 30, 2022	247% over the limit
Solids, suspended percent removal	2	2	January 31, 2024	60% over the limit
pH	9	1	February 28, 1990
Flow, in conduit or thru treatment plant	64	0
Nitrogen, total [as N]	6	0
Nitrogen, Kjeldahl, total [as N]	6	0
Nitrite + Nitrate total [as N]	6	0
Chlorine, total residual	3	0
Oxygen, dissolved [DO]	2	0
Nitrogen, ammonia total [as N]	1	0
Solids, total dissolved	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 MN0021458.

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 MN0021458 there.

Nearby on the register

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

This public-records page covers NPDES permit MN0021458 for the HOKAH WWTP in Hokah, MN, a publicly owned treatment works discharging to Root R, with the permit listed as administratively continued. The page reports 13 pollutants on file, 0 under a numeric limit, 13 with a violation of any kind, and 5 with an effluent exceedance.