Clean Water Act discharge permit · NPDES TX0138363

PARK SEWER WWTP, City Of Midland, TX: NPDES TX0138363 discharge permit, effluent exceedances, inspections, penalties

Administratively continuedPermit status
MinorDischarger class
8Pollutants under a numeric limit
0Pollutants with an effluent exceedance
1Inspections on file
1Formal enforcement actions

PARK SEWER WWTP, held by PARK SEWER COMPANY, holds NPDES permit TX0138363, which discharges to Colorado River Below Lake J.B. Thomas. EPA’s file records it issued June 18, 2020 and expiring June 18, 2025.

PARK SEWER WWTP, City Of Midland, Texas: Individual permit TX0138363, held by PARK SEWER COMPANY; Administratively continued (past its expiration date and still in force until reissued); issued June 18, 2020, term to June 18, 2025; discharges to Colorado River Below Lake J.B. Thomas.

Solids, total suspended: 3 limits, 9 violations of any kind, 0 effluent exceedances.
Nitrogen, ammonia total [as N]: 3 limits, 9 violations of any kind, 0 effluent exceedances.
BOD, carbonaceous [5 day, 20 C]: 3 limits, 9 violations of any kind, 0 effluent exceedances.
pH: 2 limits, 6 violations of any kind, 0 effluent exceedances.
Phosphorus, total [as P]: 2 limits, 6 violations of any kind, 0 effluent exceedances.
Flow, in conduit or thru treatment plant: 2 limits, 6 violations of any kind, 0 effluent exceedances.
E. coli: 2 limits, 6 violations of any kind, 0 effluent exceedances.
Oxygen, dissolved [DO]: 1 limit, 3 violations of any kind, 0 effluent exceedances.

January 13, 2026: State CWA Penalty AO (State), $2,675 state or local penalty.
January 8, 2026: Permit Violations - Violation Specified in Comment (ST6).
January 8, 2026: Follow-Up (S).
March 10, 2023: Permit Violations - Violation Specified in Comment (ST6).

PARK SEWER WWTP among its neighbors

EPA’s permit file holds 10 discharge permits in the 120800050603-Midland Draw subwatershed (HUC 120800050603), TX0138363 among them. Its county holds 223, 2 of them major permits; TX0138363 is a minor permit.

Other permits in the 120800050603-Midland Draw subwatershed (HUC 120800050603)

CITY OF MIDLAND SOLID WASTE LANDFILL, Midland: TXR05FQ10, minor permit, permit term to August 13, 2026
ECR 110 RECONSTRUCTION, Midland: TXR1595YE, minor permit, discharging to MONAHANS DRAW, permit term to March 4, 2028
ENERGY IN MOTION US-BORLAND MINE SITE, Greenwood: TXR05GI43, minor permit, permit term to August 13, 2026
MCUD WELLFIELD COLLECTION PIPING, Midland: TXR1531VH, minor permit, discharging to NORTH CONCHO RIVER 1425A, permit term to March 4, 2028
MIDLAND COUNTY CR 120 PHASE 2, Midland: TXR1574MP, minor permit, discharging to LOWER JOHNSON DRAW, permit term to March 4, 2028
MIDLAND COUNTY DETENTION CENTER, Midland: TXR1523QV, minor permit, discharging to MIDLAND DRAW, permit term to March 4, 2028
NEW GREENWOOD INTERMEDIATE AND ELEMENTARY SCHOOLS, Midland: TXR1597SX, minor permit, discharging to MIDLAND DRAW, permit term to March 4, 2028
NOMAD-MIDLAND, Midland: TXR05GO26, minor permit, permit term to August 13, 2026
TRIANGLE TO YOSEMITE TO BLUE ACRES 138 KV LINE, Midland: TXR1523MT, minor permit, discharging to NORTH CONCHO RIVER 1425A, permit term to March 4, 2028

Identity

Facility as filed	PARK SEWER WWTP
Permittee as filed	PARK SEWER COMPANY
NPDES ID	TX0138363
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	June 18, 2020
Expiration date	June 18, 2025
Address	City Of Midland, TX 79706
Receiving water	Colorado River Below Lake J.B. Thomas
Subwatershed	120800050603-Midland Draw (HUC 120800050603)
SIC	4952 – Sewerage Systems

Effluent limits and exceedances

8Pollutants on file
8Under a numeric limit
8With a violation of any kind
0With 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
Solids, total suspended	3	9
Nitrogen, ammonia total [as N]	3	9
BOD, carbonaceous [5 day, 20 C]	3	9
pH	2	6
Phosphorus, total [as P]	2	6
Flow, in conduit or thru treatment plant	2	6
E. coli	2	6
Oxygen, dissolved [DO]	1	3

EPA’s effluent violation file records no exceedance of a numeric limit for NPDES TX0138363.

Inspections, violations and enforcement

2Single-event violations

Date	What EPA recorded	Agency
January 8, 2026	Permit Violations - Violation Specified in Comment	ST6
March 10, 2023	Permit Violations - Violation Specified in Comment	ST6

Inspections

Date	What EPA recorded	Agency
January 8, 2026	Follow-Up	S

Formal enforcement and penalties

1 formal actions, 1 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.

Date	What EPA recorded	Agency	Federal penalty	State or local penalty
January 13, 2026	State CWA Penalty AO	State		$2,675

Informal enforcement

EPA’s informal enforcement file holds no action for NPDES TX0138363.

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

This public-records page covers NPDES permit TX0138363 for the PARK SEWER WWTP in City Of Midland, TX, held by PARK SEWER COMPANY, which discharges to Colorado River Below Lake J.B. Thomas. The permit is listed as administratively continued with a Minor Discharger class and 0 pollutants under a numeric limit, and the Midland Draw subwatershed (HUC 120800050603) is identified.