Npsd Antire Springs WWTP
1411 Horseshoe Bend, High Ridge, MO 63049 · 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. It discharges under NPDES permit MO0099252 (effective), which expires in September 2027, with 0 recorded violations in the last three years.
Treatment technology
4 treatment structures and unit processes identified at Npsd Antire Springs WWTP.
Available with a free Klarifi account
See the full treatment train at Npsd Antire Springs WWTP: structures, unit processes and planned upgrades, with 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.
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Nearby wastewater treatment plants in Missouri
High Ridge · 3 mi away
0.0041 MGD
Eureka · 3 mi away
1.54 MGD
Eureka · 4 mi away
0.15 MGD
House Springs · 5 mi away
0.06 MGD
House Springs · 5 mi away
0.005 MGD
Fenton · 5 mi away
0.0022 MGD
House Springs · 6 mi away
0.24 MGD
Fenton · 6 mi away
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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 October 26, 2026; facility record last updated August 14, 2024.
Wastewater terms: POTW · MGD · NPDES permit · Inflow and infiltration · Activated sludge · Oxidation ditch · all terms