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Clean Water Act discharge permit · NPDES TXR1547SH

ARROYO BESS, Harlingen, TX: NPDES TXR1547SH discharge permit, effluent exceedances, inspections, penalties

ARROYO BESS, held by Mill Creek Renewables LLC, holds NPDES permit TXR1547SH, which discharges to Drainage Ditches Flowing Into Arroyo Colorado Tida. EPA’s file records it issued October 1, 2024 and expiring March 4, 2028. 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.

What the register holds for ARROYO BESS: its NPDES ID, its permit type and status, its dates, its address in Harlingen, Texas, its receiving water. EPA’s effluent violation file and its single-event violation file hold no violation for NPDES TXR1547SH.

Identity

Facility as filedARROYO BESS
Permittee as filedMill Creek Renewables LLC
NPDES IDTXR1547SH
Permit statusEffective
Permit typeCoverage under a general permit
Discharger classMinor discharger
Facility typeNot a publicly owned treatment works
ProgramConstruction stormwater
IssuedOctober 1, 2024
Expiration dateMarch 4, 2028
AddressHarlingen, TX 78550
Receiving waterDRAINAGE DITCHES FLOWING INTO ARROYO COLORADO TIDA
SubwatershedLine V Canal-Arroyo Colorado (HUC 121102080700)
SIC4911 – Electric Services

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

EPA’s limits and effluent violation files hold no pollutant row for NPDES TXR1547SH.

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 TXR1547SH.

Inspections

EPA’s inspection file holds no inspection for NPDES TXR1547SH.

Formal enforcement and penalties

0 formal actions, 0 of them with a penalty assessed. Federal and state penalties are separate figures from separate authorities and are shown as each was filed, never added together.

Informal enforcement

EPA’s informal enforcement file holds no action for NPDES TXR1547SH.

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, TXR1547SH.

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  • One state — $4,990/year
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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 TXR1547SH there.

ARROYO BESS, Harlingen, Texas: Coverage under a general permit TXR1547SH, held by Mill Creek Renewables LLC; Construction stormwater; Effective; issued October 1, 2024, term to March 4, 2028; discharges to DRAINAGE DITCHES FLOWING INTO ARROYO COLORADO TIDA.

Texas holds 23,986 Construction stormwater coverages of this permit type in EPA’s file; 9,393 were issued before TXR1547SH. Mill Creek Renewables LLC holds 3 permits in Texas.

Other permits held by Mill Creek Renewables LLC

Coverages issued nearest TXR1547SH

ARROYO BESS among its neighbors

EPA’s permit file holds 81 discharge permits in the Line V Canal-Arroyo Colorado subwatershed (HUC 121102080700), TXR1547SH among them. Its county holds 327, 11 of them major permits; TXR1547SH is a minor permit.

Other permits in the Line V Canal-Arroyo Colorado subwatershed (HUC 121102080700)

Nearby on the register

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

What this page shows

The ARROYO BESS storm water construction permit is one of 192 such permits on EPA's NPDES register in Cameron County, and 31.3% of those permits carry an earlier issue date than this one. The permit sits within the Line V Canal-Arroyo Colorado subwatershed, which contains 81 NPDES permits, this one included. Among the 192 Cameron County storm water construction permits, 0.0% have a violation on file.