City Of Navasota Old WWTP
108 North Peoples St, Navasota, TX 77868 · Grimes County · Publicly Owned Treatment Works
- Average flow
- 1.71 MGD
- Design flow
- 1.8 MGD
- NPDES permit
- TX0071790
- Effective
- Permit expires
- April 2029
- Population served
- —
- CWNS 2022
City Of Navasota Old WWTP is a publicly owned wastewater treatment works in Navasota, Grimes County, Texas treating an average of 1.71 million gallons per day against a permitted design capacity of 1.8 MGD. It discharges under NPDES permit TX0071790 (effective), which expires in April 2029, with 12 recorded violations in the last three years. EPA has recorded 1 formal enforcement action naming the plant, the latest in August 2023.
Treatment technology
2 treatment structures and unit processes identified at City Of Navasota Old WWTP.
Available with a free Klarifi account
See the full treatment train at City Of Navasota Old WWTP: structures, unit processes and planned upgrades, with exact unit counts.
Compliance snapshot (last 3 years)
- Total violations
- 12
- Effluent violations
- 12
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 City Of Navasota Old WWTP in EPA's ICIS system.
- Formal actions
- 1
- 1 since FY2020
- EPA inspections
- 0
- none on record
Latest case · Aug 2023
City of Navasota
Administrative order · CWA, NPDES Permit Violations · Unilateral Administrative Order Without Adjudication
EPA's description of the case:
“The Administrative Order to the City of Navasota was issued for permit effluent violations. A corrective action plan is needed.”
Source: EPA ECHO, civil enforcement case 06-2020-1775.
Full case history with a free Klarifi account
Every action against City Of Navasota Old WWTP with dates, milestones, violation types and EPA's complete case summaries, plus inspections and informal actions.
Key contacts
27 verified contacts for City Of Navasota Old WWTP, with validated emails and direct phone numbers.
Unlock 27 verified contacts (24 more than shown)
Names, validated emails and direct phone numbers for decision-makers at City Of Navasota Old WWTP, plus the full compliance history and discharge data.
Nearby wastewater treatment plants in Texas
Navasota · 6 mi away
0.24 MGD
Navasota · 9 mi away
0.34 MGD
Anderson · 9 mi away
0.03 MGD
Navasota · 11 mi away
0.002 MGD
Richards · 19 mi away
0.005 MGD
Montgomery · 19 mi away
0.0002 MGD
College Station · 19 mi away
9.6 MGD
Montgomery · 20 mi away
0.04 MGD
City Of Navasota Old 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 February 26, 2025.
Wastewater terms: POTW · MGD · NPDES permit · Inflow and infiltration · Significant industrial user · WWTP · all terms