Oyster Creek WWTP
S Of Cr 609, 1.5 Mi SW Of Intx Of Sh 35 & Sh 288, Angleton, TX 77515 · Brazoria County · Publicly Owned Treatment Works
- Average flow
- 4.43 MGD
- Design flow
- 3.6 MGD
- NPDES permit
- TX0056316
- Effective
- Permit expires
- January 2027
- Population served
- 18,833
- CWNS 2022
Oyster Creek WWTP is a publicly owned wastewater treatment works in Angleton, Brazoria County, Texas treating an average of 4.43 million gallons per day against a permitted design capacity of 3.6 MGD, serving about 18,833 residents. It discharges under NPDES permit TX0056316 (effective), which expires in January 2027, with 8 recorded violations in the last three years. EPA has recorded 1 formal enforcement action naming the plant, the latest in May 2024.
Treatment technology
One treatment structure or unit process identified at Oyster Creek WWTP.
Available with a free Klarifi account
See the full treatment train at Oyster Creek WWTP: structures, unit processes and planned upgrades, with exact unit counts.
Compliance snapshot (last 3 years)
- Total violations
- 8
- Effluent violations
- 8
Based on NPDES Discharge Monitoring Reports. Full violation history, parameters and discharge data available in the Klarifi platform.
EPA enforcement history
Federal civil enforcement cases, compliance inspections and informal actions recorded for Oyster Creek WWTP in EPA's ICIS system.
- Formal actions
- 1
- 1 since FY2020
- Compliance actions
- $6,000
- required by EPA orders
- EPA inspections
- 0
- none on record
Latest case · May 2024
City of Angleton (TX0056316)
Administrative order · CWA, NPDES Permit Violations · Final Order Issued · Compliance actions $6,000
EPA's description of the case:
“The City of Angleton was issued the Administrative Order for effluent violations of permit limits. The order requires a corrective action plan to be submitted within 30 days.”
Source: EPA ECHO, civil enforcement case 06-2024-1751.
Full case history with a free Klarifi account
Every action against Oyster Creek WWTP with dates, milestones, violation types and EPA's complete case summaries, plus inspections and informal actions.
Key contacts
33 verified contacts for Oyster Creek WWTP, with validated emails and direct phone numbers.
Unlock 33 verified contacts (30 more than shown)
Names, validated emails and direct phone numbers for decision-makers at Oyster Creek WWTP, plus the full compliance history and discharge data.
Nearby wastewater treatment plants in Texas
Danbury · 8 mi away
0.51 MGD
Lake Jackson · 9 mi away
—
Clute · 11 mi away
7.01 MGD
Rosharon · 11 mi away
1.75 MGD
West Columbia · 11 mi away
2.31 MGD
Brazoria · 12 mi away
1.18 MGD
Freeport · 13 mi away
0.06 MGD
Freeport · 14 mi away
0.13 MGD
Oyster Creek WWTP: frequently asked questions
Sources and methodology
Flow, permit and violation figures come from the EPA's ICIS-NPDES discharge monitoring records. Population served comes from the Clean Watersheds Needs Survey 2022. Treatment structures are identified by Klarifi's review of aerial imagery, and capital improvement projects are extracted from published municipal budget documents. Violations are counted over the last three years of monitoring reports.
Data refreshed October 26, 2026; facility record last updated March 19, 2025.
Wastewater terms: POTW · MGD · NPDES permit · Inflow and infiltration · Ozonation · Activated sludge · all terms