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Clean Water Act discharge permit · NPDES TXR1525YP

OAK HILLS MONTGOMERY NORTH, Montgomery, TX: NPDES TXR1525YP discharge permit, effluent exceedances, inspections, penalties

OAK HILLS MONTGOMERY NORTH, held by Sdh Houston LLC, holds NPDES permit TXR1525YP, which discharges to Mound Creek 1015a. EPA’s file records it issued June 17, 2026 and expiring March 4, 2028.

OAK HILLS MONTGOMERY NORTH, Montgomery, Texas: Coverage under a general permit TXR1525YP, held by Sdh Houston LLC; Construction stormwater; Effective; issued June 17, 2026, term to March 4, 2028; discharges to MOUND CREEK 1015A.

Texas holds 23,986 Construction stormwater coverages of this permit type in EPA’s file; 21,901 were issued before TXR1525YP. Sdh Houston LLC holds 15 permits in Texas.

Other permits held by Sdh Houston LLC

Coverages issued nearest TXR1525YP

OAK HILLS MONTGOMERY NORTH among its neighbors

EPA’s permit file holds 83 discharge permits in the Mound Creek-Lake Creek subwatershed (HUC 120401010308), TXR1525YP among them. Its county holds 1,439, 16 of them major permits; TXR1525YP is a minor permit.

Other permits in the Mound Creek-Lake Creek subwatershed (HUC 120401010308)

  • 102 EBNER LAKE DRIVE, Montgomery: TXR1574QK, minor permit, discharging to FISH CREEK, permit term to March 4, 2028
  • 11555 KIRSTENS CT, Montgomery: TXR1595RV, minor permit, discharging to LAKE CREEK, permit term to March 4, 2028
  • A&M INTERESTS SITE, Conroe: TX0139548, minor permit, discharging to Lake Creek, permit term to July 30, 2025
  • BERRYKNOLL, Montgomery: TXR1546SX, minor permit, discharging to MOUND CREEK, permit term to March 4, 2028
  • BERRYKNOLL, Montgomery: TXR1560YW, minor permit, discharging to MOUND CREEK, permit term to March 4, 2028
  • CHAPEL LAKES, Montgomery: TXR1596RM, minor permit, discharging to MOUND CREEK 1015A, permit term to March 4, 2028
  • CHAPEL LAKES - HOME BUILDING, Montgomery: TXR1525WD, minor permit, discharging to MOUND CREEK 1015A, permit term to March 4, 2028
  • CHAPEL LAKES-SECTION ONE, Montgomery: TXR1584TY, minor permit, discharging to MOUND CREEK, permit term to March 4, 2028
  • CLEARING AND GRUBBING IN TWO STEP FARM PHASE 1C, Montgomery: TXR1560PW, minor permit, discharging to SAN JACINTO RIVER, permit term to March 4, 2028
  • CLOPTON FARMS, Conroe: TXR1509QT, minor permit, discharging to LAKE CREEK, permit term to March 4, 2028

What the register holds for OAK HILLS MONTGOMERY NORTH: its NPDES ID, its permit type and status, its dates, its address in Montgomery, Texas, its receiving water. EPA’s effluent violation file and its single-event violation file hold no violation for NPDES TXR1525YP.

Identity

Facility as filedOAK HILLS MONTGOMERY NORTH
Permittee as filedSdh Houston LLC
NPDES IDTXR1525YP
Permit statusEffective
Permit typeCoverage under a general permit
Discharger classMinor discharger
Facility typeNot a publicly owned treatment works
ProgramConstruction stormwater
IssuedJune 17, 2026
Expiration dateMarch 4, 2028
AddressMontgomery, TX 77316
Receiving waterMOUND CREEK 1015A
SubwatershedMound Creek-Lake Creek (HUC 120401010308)

Effluent limits and exceedances

EPA’s limits and effluent violation files hold no pollutant row for NPDES TXR1525YP.

Inspections, violations and enforcement

EPA’s single-event violation file, as loaded, holds no violation for NPDES TXR1525YP.

Inspections

EPA’s inspection file holds no inspection for NPDES TXR1525YP.

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 TXR1525YP.

Watch this permit

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Nearby on the register

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

What this page shows

OAK HILLS MONTGOMERY NORTH is one of 83 storm water construction permits on EPA's NPDES register in the Mound Creek-Lake Creek subwatershed. Of the 1,031 storm water construction permits in Montgomery County, 90.2% have an earlier issue date than this permit, while 3.2% have a violation on file.