Clean Water Act discharge permit · NPDES SDG921784

TEA, CITY OF, Tea, SD: NPDES SDG921784 discharge permit, effluent exceedances, inspections, penalties

Administratively continuedPermit status
MinorDischarger class
8Pollutants under a numeric limit
1Pollutants with an effluent exceedance

TEA, CITY OF, held by Tea, City of, holds NPDES permit SDG921784, which discharges to Nine Mile Creek. EPA’s file records it issued April 1, 2016 and expiring December 31, 2020. 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	TEA, CITY OF
Permittee as filed	Tea, City of
NPDES ID	SDG921784
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	April 1, 2016
Expiration date	December 31, 2020
Issuing agency	SDDENR
Address	Tea, SD 57064
Receiving water	Nine Mile Creek
Subwatershed	Ninemile Creek (HUC 101702031704)
Program components on file	POTW, Pretreatment
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

10Pollutants on file
8Under a numeric limit
4With a violation of any kind
1With 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	2	13	13	April 30, 2025	55% over the limit
Nitrogen, ammonia total [as N]	2	2	0
Nitrogen, total [as N]	0	1	0
Phosphorus, total [as P]	0	1	0
Temperature, water deg. centigrade	2	0	0
Flow rate	2	0	0
pH	2	0	0
Solids, total suspended	2	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

1Single-event violations

Date	What EPA recorded	Agency
June 21, 2024	Wet-weather SSO discharge to waters of the U.S. that may endanger health or the environment	ST6

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 SDG921784 there.

Nearby on the register

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

This public-records page covers Clean Water Act NPDES permit SDG921784, held by TEA, CITY OF in Tea, SD, which discharges to Nine Mile Creek in the Ninemile Creek subwatershed (HUC 101702031704). The permit is listed as administratively continued, with 8 as the discharger class, 1 pollutant under a numeric limit, and 1 pollutant with an effluent exceedance.