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Clean Water Act discharge permit · NPDES TXR1565ZF

CPS ENERGY - HELOTES SUBSTATION, Helotes, TX: NPDES TXR1565ZF discharge permit, effluent exceedances, inspections, penalties

CPS ENERGY - HELOTES SUBSTATION, held by Guido Construction Company, holds NPDES permit TXR1565ZF, which discharges to Unnamed Tributary. EPA’s file records it issued August 24, 2026 and expiring March 4, 2028.

CPS ENERGY - HELOTES SUBSTATION, Helotes, Texas: Coverage under a general permit TXR1565ZF, held by Guido Construction Company; Construction stormwater; Effective; issued August 24, 2026, term to March 4, 2028; discharges to UNNAMED TRIBUTARY.

Texas holds 23,986 Construction stormwater coverages of this permit type in EPA’s file; 23,510 were issued before TXR1565ZF. Guido Construction Company holds 7 permits in Texas.

Other permits held by Guido Construction Company

Coverages issued nearest TXR1565ZF

CPS ENERGY - HELOTES SUBSTATION among its neighbors

Its county holds 2,157, 12 of them major permits; TXR1565ZF is a minor permit.

Other permits in the county

What the register holds for CPS ENERGY - HELOTES SUBSTATION: its NPDES ID, its permit type and status, its dates, its address in Helotes, Texas, its receiving water. EPA’s effluent violation file and its single-event violation file hold no violation for NPDES TXR1565ZF.

Identity

Facility as filedCPS ENERGY - HELOTES SUBSTATION
Permittee as filedGuido Construction Company
NPDES IDTXR1565ZF
Permit statusEffective
Permit typeCoverage under a general permit
Discharger classMinor discharger
Facility typeNot a publicly owned treatment works
ProgramConstruction stormwater
IssuedAugust 24, 2026
Expiration dateMarch 4, 2028
AddressHelotes, TX 78023
Receiving waterUNNAMED TRIBUTARY
SIC1629 – Heavy Construction

Effluent limits and exceedances

EPA’s limits and effluent violation files hold no pollutant row for NPDES TXR1565ZF.

Inspections, violations and enforcement

EPA’s single-event violation file, as loaded, holds no violation for NPDES TXR1565ZF.

Inspections

EPA’s inspection file holds no inspection for NPDES TXR1565ZF.

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 TXR1565ZF.

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, TXR1565ZF.

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How often?
  • One permit holder — $99/month
  • One watershed — $2,990/year
  • One state — $4,990/year
  • The whole register — $18,000/year

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Nearby on the register

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

What this page shows

The CPS Energy - Helotes Substation storm water construction permit, filed under the permittee Guido Construction Company, is one of 1,788 storm water construction permits on EPA's NPDES register in Bexar County, and 0.2% of those permits have a violation on file. Of the 1,787 such permits in the county, this one is among the 97.7% with an earlier issue date, and it has no pollutants under a numeric limit and no effluent exceedances on record.