Clean Water Act discharge permit · NPDES AR0036447

USALCO, LLC, Little Rock, AR: NPDES AR0036447 discharge permit, effluent exceedances, inspections, penalties

Administratively continuedPermit status
MinorDischarger class
7Pollutants under a numeric limit
4Pollutants with an effluent exceedance

USALCO, LLC, held by G2O TECHNOLOGIES WT LLC a.k.a. G2O TECHNOLOGIES LLC, holds NPDES permit AR0036447, which discharges to Fish Cr, Big Lk, Pennington Bu, Arkansas R. EPA’s file records it issued August 30, 2015 and expiring August 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	USALCO, LLC
Permittee as filed	G2O TECHNOLOGIES WT LLC a.k.a. G2O TECHNOLOGIES LLC
NPDES ID	AR0036447
Permit status	Administratively continued (past its expiration date and still in force until reissued)
Permit type	Individual permit
Discharger class	Minor discharger
Facility type	Not a publicly owned treatment works
Issued	August 30, 2015
Expiration date	August 31, 2020
Address	Little Rock, AR 72206
Receiving water	FISH CR, BIG LK, PENNINGTON BU, ARKANSAS R
Subwatershed	Fish Creek (HUC 111102070301)
NAICS	212324 – Kaolin and Ball Clay Mining
SIC	1455 – Kaolin And Ball Clay
Other EPA IDs (FRS)	RCRA handler ARD980496632; ICIS-AIR source AR0000000511900001

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

7Pollutants on file
7Under a numeric limit
7With a violation of any kind
4With 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
Sulfate, total [as SO4]	2	33	21	March 31, 2021	173% over the limit
Solids, total dissolved	2	29	19	June 30, 2020	120% over the limit
pH	2	12	2	September 30, 2016
Turbidity	2	11	1	April 30, 2019
Flow, in conduit or thru treatment plant	2	22	0
Oxygen demand, chem. [low level] [COD]	2	10	0
Oil & Grease	2	10	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 AR0036447.

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

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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 AR0036447 there.

Nearby on the register

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

This public-records page covers NPDES permit AR0036447, held by USALCO, LLC and its listed permittee G2O TECHNOLOGIES WT LLC, for a minor discharger in Little Rock, AR, with receiving waters listed as FISH CR, BIG LK, PENNINGTON BU and ARKANSAS R. The permit is administratively continued, with 7 pollutants under a numeric limit and 4 pollutants showing an effluent exceedance.