Npsd Antire Springs WWTP
High Ridge, MO · Jefferson County · Publicly Owned Treatment Works
- Average flow
- 0.02 MGD
- Design flow
- —
- NPDES permit
- MO0099252
- Effective
- Permit expires
- September 2027
- Population served
- 200
- CWNS 2022
Npsd Antire Springs WWTP is a publicly owned wastewater treatment works in High Ridge, Jefferson County, Missouri treating an average of 0.02 million gallons per day, serving about 200 residents. Treatment on site includes biological treatment, other, dechlorination, disinfection, chlorine/ chloramine, screening. It discharges under NPDES permit MO0099252 (effective), which expires in September 2027, with 0 recorded violations in the last three years.
Treatment technology
Treatment structures identified at this facility. Exact unit counts are available in Klarifi.
Biological Treatment, Other
unit processDechlorination
unit processDisinfection, chlorine/ chloramine
unit processScreening
unit processUnlock exact unit counts →
Compliance snapshot (last 3 years)
- Total violations
- 0
- Effluent violations
- 0
Based on NPDES Discharge Monitoring Reports. Full violation history, parameters and discharge data available in the Klarifi platform.
Key contacts
Decision-makers at Npsd Antire Springs WWTP.
No verified contacts on file yet
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Nearby wastewater treatment plants in Missouri
High Ridge · 3 mi away
0.0036 MGD
Eureka · 3 mi away
1.13 MGD
Eureka · 4 mi away
0.13 MGD
House Springs · 5 mi away
0.07 MGD
House Springs · 5 mi away
0.04 MGD
House Springs · 5 mi away
0.0002 MGD
Fenton · 5 mi away
0.0018 MGD
House Springs · 6 mi away
0.17 MGD
Npsd Antire Springs 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 September 11, 2026; facility record last updated August 14, 2024.