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Clean Water Act discharge permit · NPDES ARG670546

CALCIUM CHLORIDE FACILITY, El Dorado, AR: NPDES ARG670546 discharge permit, effluent exceedances, inspections, penalties

CALCIUM CHLORIDE FACILITY, held by Tetra Technologies Inc., holds NPDES permit ARG670546, which discharges to Trib,Little Cornie Bayou,Ouachita R. EPA’s file records it issued October 4, 2017 and expiring June 30, 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.

What the register holds for CALCIUM CHLORIDE FACILITY: its NPDES ID, its permit type and status, its dates, its address in El Dorado, Arkansas, its receiving water. EPA’s effluent violation file and its single-event violation file hold no violation for NPDES ARG670546.

Identity

Facility as filedCALCIUM CHLORIDE FACILITY
Permittee as filedTetra Technologies Inc.
NPDES IDARG670546
Permit statusAdministratively continued (past its expiration date and still in force until reissued)
Permit typeCoverage under a general permit
Discharger classMinor discharger
Facility typeNot a publicly owned treatment works
IssuedOctober 4, 2017
Expiration dateJune 30, 2023
AddressEl Dorado, AR 71730
Receiving waterTrib,Little Cornie Bayou,Ouachita R
SubwatershedDry Creek-Little Cornie Bayou (HUC 080402060302)
Other EPA IDs (FRS)ICIS-AIR source AR0000000513901294

Cited to the EPA ICIS-NPDES permit file (ECHO download); cross-program IDs from EPA’s FRS facility-registry crosswalk.

Effluent limits and exceedances

EPA’s limits and effluent violation files hold no pollutant row for NPDES ARG670546.

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 ARG670546.

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, ARG670546.

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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 ARG670546 there.

Nearby on the register

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

What this page shows

The CALCIUM CHLORIDE FACILITY permit is one of 26 general permit coverages in Union County, Arkansas, and 69.2% of those 26 coverages have a violation on file. Among the 26 Union County general permit coverages, 50.0% were issued before this one on October 4, 2017. The permit shares the Dry Creek-Little Cornie Bayou subwatershed with 10 NPDES permits, including itself, and it records 0 pollutants under a numeric limit and 0 pollutants with an effluent exceedance.