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Clean Water Act discharge permit · NPDES TXR1580ZB

T360 FRIENDSHIP - RUTHERFORD, Buda, TX: NPDES TXR1580ZB discharge permit, effluent exceedances, inspections, penalties

T360 FRIENDSHIP - RUTHERFORD, held by Irby Construction Company, holds NPDES permit TXR1580ZB, which discharges to Little Bear Creek. EPA’s file records it issued August 6, 2026 and expiring March 4, 2028.

T360 FRIENDSHIP - RUTHERFORD, Buda, Texas: Coverage under a general permit TXR1580ZB, held by Irby Construction Company; Construction stormwater; Effective; issued August 6, 2026, term to March 4, 2028; discharges to LITTLE BEAR CREEK.

Texas holds 23,986 Construction stormwater coverages of this permit type in EPA’s file; 23,112 were issued before TXR1580ZB. Irby Construction Company holds 32 permits in Texas.

Other permits held by Irby Construction Company

Coverages issued nearest TXR1580ZB

T360 FRIENDSHIP - RUTHERFORD among its neighbors

EPA’s permit file holds 27 discharge permits in the Bear Creek subwatershed (HUC 120902050406), TXR1580ZB among them. Its county holds 410, 3 of them major permits; TXR1580ZB is a minor permit.

Other permits in the Bear Creek subwatershed (HUC 120902050406)

  • BELLY BUSINESS PARK PHASE 2, Manchaca: TXR1507XR, minor permit, discharging to SEGMENT 1427C, permit term to March 4, 2028
  • BIG VALLEY, Manchaca: TXR1524RW, minor permit, discharging to LITTLE BEAR CREEK, permit term to March 4, 2028
  • BIG VALLEY FORCE MAIN, Manchaca: TXR1580UJ, minor permit, discharging to BEAR CREEK, permit term to March 4, 2028
  • CHIDDIX HOUSE, Manchaca: TXR1530WP, minor permit, discharging to ONION CREEK, permit term to March 4, 2028
  • DARDEN HILL STORAGE PHASE 2, Austin: TXR1587YT, minor permit, discharging to SPRING HOLLOW, permit term to March 4, 2028
  • HAWK RIDGE PHASE 2 AND WATER QUALITY PONDS, Austin: TXR1594YE, minor permit, discharging to BEAR CREEK, permit term to March 4, 2028
  • HAWKRIDGE, Austin: TXR1534WD, minor permit, discharging to BEAR CREEK, permit term to March 4, 2028
  • HAWKRIDGE, Austin: TXR1585PG, minor permit, discharging to BEAR CREEK, permit term to March 4, 2028
  • HAWKRIDGE HOMEBUILDING, Austin: TXR1537XX, minor permit, discharging to BEAR CREEK, permit term to March 4, 2028
  • HAWKRIDGE SUBDIVISION HOMEBUILDING, Austin: TXR1550QF, minor permit, discharging to BEAR CREEK, permit term to March 4, 2028

What the register holds for T360 FRIENDSHIP - RUTHERFORD: its NPDES ID, its permit type and status, its dates, its address in Buda, Texas, its receiving water. EPA’s effluent violation file and its single-event violation file hold no violation for NPDES TXR1580ZB.

Identity

Facility as filedT360 FRIENDSHIP - RUTHERFORD
Permittee as filedIrby Construction Company
NPDES IDTXR1580ZB
Permit statusEffective
Permit typeCoverage under a general permit
Discharger classMinor discharger
Facility typeNot a publicly owned treatment works
ProgramConstruction stormwater
IssuedAugust 6, 2026
Expiration dateMarch 4, 2028
AddressBuda, TX 78610
Receiving waterLITTLE BEAR CREEK
SubwatershedBear Creek (HUC 120902050406)

Effluent limits and exceedances

EPA’s limits and effluent violation files hold no pollutant row for NPDES TXR1580ZB.

Inspections, violations and enforcement

EPA’s single-event violation file, as loaded, holds no violation for NPDES TXR1580ZB.

Inspections

EPA’s inspection file holds no inspection for NPDES TXR1580ZB.

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 TXR1580ZB.

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, TXR1580ZB.

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  • One permit holder — $99/month
  • One watershed — $2,990/year
  • One state — $4,990/year
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Nearby on the register

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

What this page shows

T360 FRIENDSHIP - RUTHERFORD is one of 336 storm water construction permits on EPA's NPDES register in Hays County, Texas. Of those 336 permits, 97.0% have an earlier issue date than this permit, which is one of 27 NPDES permits in the Bear Creek subwatershed.