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Clean Water Act discharge permit · NPDES TXR1518SN

CASTLEROCK COMMUNITIES - CANOPIES, Splendora, TX: NPDES TXR1518SN discharge permit, effluent exceedances, inspections, penalties

CASTLEROCK COMMUNITIES - CANOPIES, held by Castlerock Communities LLC, holds NPDES permit TXR1518SN, which discharges to Peech Creek. EPA’s file records it issued October 22, 2024 and expiring March 4, 2028.

CASTLEROCK COMMUNITIES - CANOPIES, Splendora, Texas: Coverage under a general permit TXR1518SN, held by Castlerock Communities LLC; Construction stormwater; Effective; issued October 22, 2024, term to March 4, 2028; discharges to PEECH CREEK.

Texas holds 23,986 Construction stormwater coverages of this permit type in EPA’s file; 9,756 were issued before TXR1518SN. Castlerock Communities LLC holds 74 permits in Texas.

Other permits held by Castlerock Communities LLC

Coverages issued nearest TXR1518SN

CASTLEROCK COMMUNITIES - CANOPIES among its neighbors

EPA’s permit file holds 58 discharge permits in the Gully Branch-Peach Creek subwatershed (HUC 120401030109), TXR1518SN among them. Its county holds 1,439, 16 of them major permits; TXR1518SN is a minor permit.

Other permits in the Gully Branch-Peach Creek subwatershed (HUC 120401030109)

What the register holds for CASTLEROCK COMMUNITIES - CANOPIES: its NPDES ID, its permit type and status, its dates, its address in Splendora, Texas, its receiving water. EPA’s effluent violation file and its single-event violation file hold no violation for NPDES TXR1518SN.

Identity

Facility as filedCASTLEROCK COMMUNITIES - CANOPIES
Permittee as filedCastlerock Communities LLC
NPDES IDTXR1518SN
Permit statusEffective
Permit typeCoverage under a general permit
Discharger classMinor discharger
Facility typeNot a publicly owned treatment works
ProgramConstruction stormwater
IssuedOctober 22, 2024
Expiration dateMarch 4, 2028
AddressSplendora, TX 77372
Receiving waterPEECH CREEK
SubwatershedGully Branch-Peach Creek (HUC 120401030109)
SIC1521 – Single-Family Housing Construction

Effluent limits and exceedances

EPA’s limits and effluent violation files hold no pollutant row for NPDES TXR1518SN.

Inspections, violations and enforcement

EPA’s single-event violation file, as loaded, holds no violation for NPDES TXR1518SN.

Inspections

EPA’s inspection file holds no inspection for NPDES TXR1518SN.

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 TXR1518SN.

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, TXR1518SN.

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  • One permit holder — $99/month
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  • One state — $4,990/year
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Nearby on the register

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

What this page shows

CASTLEROCK COMMUNITIES - CANOPIES is one of 58 storm water construction permits on the register in the Gully Branch-Peach Creek subwatershed. It is one of 1,031 storm water construction permits in Montgomery County, where 3.2% have a violation on file and 33.9% have an earlier issue date than this permit.