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Clean Water Act discharge permit · NPDES SD0025810

DAIRI CONCEPTS, L.P., Pollock, SD: NPDES SD0025810 discharge permit, effluent exceedances, inspections, penalties

DAIRI CONCEPTS, L.P., held by Dairi Concepts, L.P., holds NPDES permit SD0025810, which discharges to Lake Pocasse. EPA’s file records it issued March 31, 2016 and expiring March 31, 2021. 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 filedDAIRI CONCEPTS, L.P.
Permittee as filedDairi Concepts, L.P.
NPDES IDSD0025810
Permit statusAdministratively continued (past its expiration date and still in force until reissued)
Permit typeIndividual permit
Discharger classMinor discharger
Facility typeNot a publicly owned treatment works
IssuedMarch 31, 2016
Expiration dateMarch 31, 2021
Issuing agencySDDENR
AddressPollock, SD 57648
Receiving waterLake Pocasse
Receiving water impaired303(D) Listed
SubwatershedLake Pocasse-Pollock Bay (HUC 101301021105)
NAICS311513 – Cheese Manufacturing
SIC2022 – Cheese, Natural And Processed
Other EPA IDs (FRS)ICIS-AIR source SD0000004602100001

Cited to the EPA ICIS-NPDES permit file (ECHO download) and EPA’s NAICS/SIC and component files, the same download; cross-program IDs from EPA’s FRS facility-registry crosswalk.

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
Temperature, water deg. fahrenheit1259April 30, 20087% over the limit
Pass/Fail Static Renewal 96Hr Acute Ceriodaphnia dubia022July 31, 2008
Flow rate2170
pH2160
Solids, total dissolved2130
Oil and grease visual190
Floating solids, waste or visible foam-visual180
Hydrocarbons, petroleum080
Oil and grease, hexane extr method150
BOD, 5-day, 20 deg. C030
Solids, total suspended030
Alkalinity, total [as CaCO3]220
Conductivity200
Flow, total100
Toxicity [acute], Ceriodaphnia dubia100
Toxicity [acute], Pimephales promelas [Fathead Minnow]100

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 SD0025810.

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 SD0025810 there.

Nearby on the register

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

What this page shows

This public-records page covers Clean Water Act NPDES permit SD0025810, held by DAIRI CONCEPTS, L.P. (permittee Dairi Concepts, L.P.) in Pollock, SD, which discharges to Lake Pocasse in the Lake Pocasse-Pollock Bay subwatershed (HUC 101301021105). The permit is listed as administratively continued, a minor discharger class, with 12 pollutants under a numeric limit and 2 pollutants with an effluent exceedance, as of October 14, 2026.