Clean Water Act discharge permit · NPDES TX0131938

HOCKLEY DATA CENTER, Houston, TX: NPDES TX0131938 discharge permit, effluent exceedances, inspections, penalties

Administratively continuedPermit status
MinorDischarger class
5Pollutants under a numeric limit
1Pollutants with an effluent exceedance
0Inspections on file
0Formal enforcement actions

HOCKLEY DATA CENTER, held by DXC TECHNOLOGY SERVICES LLC, holds NPDES permit TX0131938, which discharges to Unnamed Ditch;Rock Hollow;Warren Lk. EPA’s file records it issued December 4, 2018 and expiring December 4, 2023.

HOCKLEY DATA CENTER, Houston, Texas: Individual permit TX0131938, held by DXC TECHNOLOGY SERVICES LLC; Administratively continued (past its expiration date and still in force until reissued); issued December 4, 2018, term to December 4, 2023; discharges to UNNAMED DITCH;ROCK HOLLOW;WARREN LK.

Solids, total suspended: 2 limits, 19 violations of any kind, 1 effluent exceedance, latest February 28, 2010, largest 217% over the limit.
pH: 2 limits, 20 violations of any kind, 0 effluent exceedances.
Flow, in conduit or thru treatment plant: 2 limits, 14 violations of any kind, 0 effluent exceedances.
Chlorine, free available: 2 limits, 14 violations of any kind, 0 effluent exceedances.
Copper, total [as Cu]: 4 limits, 2 violations of any kind, 0 effluent exceedances.
Sulfate: 0 limits, 2 violations of any kind, 0 effluent exceedances.

February 5, 2024: Permit Violations - Violation Specified in Comment (ST6).

HOCKLEY DATA CENTER among its neighbors

EPA’s permit file holds 154 discharge permits in the Mallard Lake-Cypress Creek subwatershed (HUC 120401020103), TX0131938 among them. Its county holds 4,455, 195 of them major permits; TX0131938 is a minor permit.

Other permits in the Mallard Lake-Cypress Creek subwatershed (HUC 120401020103)

BETKA WWTP, Hockley: TX0140252, minor permit, discharging to Cypress Creek, permit term to July 29, 2026
BRIDGELAND, Cypress: TXR1565XD, minor permit, discharging to CYPRESS CREEK, permit term to March 4, 2028
BRIDGELAND - HOME BUILDING, Cypress: TXR1588YX, minor permit, discharging to CYPRESS CREEK, permit term to March 4, 2028
BRIDGELAND CENTRAL - HOME BUILDING, Cypress: TXR1594WA, minor permit, discharging to CYPRESS CREEK, permit term to March 4, 2028
BRIDGELAND CENTRAL 5 & 8 LAKE EDGE AND RESERVES, Cypress: TXR1533YW, minor permit, discharging to CYPRESS CREEK, permit term to March 4, 2028
BRIDGELAND CENTRAL 5&8, Cypress: TXR1534UY, minor permit, discharging to CYPRESS CREEK, permit term to March 4, 2028
BRIDGELAND CENTRAL ALL PHASES OF CONSTRUCTION, Cypress: TXR1513NT, minor permit, discharging to CYPRESS CREEK, permit term to March 4, 2028
BRIDGELAND CENTRAL NBLP SECTION 6 PHASE 1, Cypress: TXR1526XB, minor permit, discharging to CYPRESS CREEK, permit term to March 4, 2028
BRIDGELAND CENTRAL SECTION 4, Cypress: TXR1544WL, minor permit, discharging to CYPRESS CREEK, permit term to March 4, 2028
BRIDGELAND CENTRAL SECTION 8, Cypress: TXR1554XU, minor permit, discharging to CYPRESS CREEK, permit term to March 4, 2028

Identity

Facility as filed	HOCKLEY DATA CENTER
Permittee as filed	DXC TECHNOLOGY SERVICES LLC
NPDES ID	TX0131938
Permit status	Administratively continued (past its expiration date and still in force until reissued)
Permit type	Individual permit
Discharger class	Minor discharger
Facility type	Not a publicly owned treatment works
Issued	December 4, 2018
Expiration date	December 4, 2023
Address	Houston, TX 77447
Receiving water	UNNAMED DITCH;ROCK HOLLOW;WARREN LK
Subwatershed	Mallard Lake-Cypress Creek (HUC 120401020103)
SIC	7374 – Data Processing And Preparation

Effluent limits and exceedances

6Pollutants on file
5Under a numeric limit
6With a violation of any kind
1With an effluent exceedance

An effluent exceedance is a discharge monitoring report value over the permit’s numeric limit (EPA’s violation code E90). A violation of any kind also counts a report not filed. Each row is EPA’s own count for that pollutant.

Pollutant or measure	Limits	Violations, any kind	Effluent exceedances	Latest exceedance	Largest exceedance, as filed
Solids, total suspended	2	19	1	February 28, 2010	217% over the limit
pH	2	20	0
Flow, in conduit or thru treatment plant	2	14	0
Chlorine, free available	2	14	0
Copper, total [as Cu]	4	2	0
Sulfate	0	2	0

Inspections, violations and enforcement

1Single-event violations

Date	What EPA recorded	Agency
February 5, 2024	Permit Violations - Violation Specified in Comment	ST6

Inspections

EPA’s inspection file holds no inspection for NPDES TX0131938.

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 TX0131938.

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

This public-records page covers Clean Water Act NPDES permit TX0131938 for the Hockley Data Center in Houston, TX, held by DXC Technology Services LLC, with a permit status of administratively continued. The listed figures are 1 pollutant under a numeric limit and 1 pollutant with an effluent exceedance, and the permit is classed as a Minor Discharger in subwatershed HUC 120401020103.