Clean Water Act discharge permit · NPDES SD0023604

FAIRFAX, TOWN OF, Fairfax, SD: NPDES SD0023604 discharge permit, effluent exceedances, inspections, penalties

Administratively continuedPermit status
MinorDischarger class
9Pollutants under a numeric limit
3Pollutants with an effluent exceedance

FAIRFAX, TOWN OF, held by Fairfax, Town of, holds NPDES permit SD0023604, which discharges to Dry Creek. EPA’s file records it issued March 1, 2018 and expiring February 28, 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 filed	FAIRFAX, TOWN OF
Permittee as filed	Fairfax, Town of
NPDES ID	SD0023604
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	March 1, 2018
Expiration date	February 28, 2023
Issuing agency	SDDANR
Address	Fairfax, SD 57335
Receiving water	Dry Creek
Subwatershed	Dizzy Creek-Ponca Creek (HUC 101500010204)

Cited to the EPA ICIS-NPDES permit file (ECHO download).

Effluent limits and exceedances

10Pollutants on file
9Under a numeric limit
4With a violation of any kind
3With 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
BOD, 5-day, 20 deg. C	1	22	4	December 31, 1999	3% over the limit
pH	2	20	2	December 31, 1999
Solids, total suspended	1	20	2	December 31, 1999	31% over the limit
Flow	0	22	0
Temperature, water deg. centigrade	1	0	0
Flow rate	1	0	0
Nitrogen, ammonia total [as N]	1	0	0
E. coli, colony forming units [CFU]	1	0	0
Flow, total	1	0	0
Duration of discharge	1	0	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 SD0023604.

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, SD0023604.

Start the watch

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 SD0023604 there.

Nearby on the register

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

This EPA NPDES permit record for Fairfax, Town of (permit SD0023604) covers a Minor discharger class publicly owned treatment works discharging to Dry Creek, with its status listed as administratively continued. The record lists 10 pollutants on file, 9 under a numeric limit, 4 with a violation of any kind, and 3 with an effluent exceedance.