Rock Springs Wastewater Treatment Facility
Rock Springs, WI 53961 · Sauk County · Publicly Owned Treatment Works
- Average flow
- 0.02 MGD
- Design flow
- 0.08 MGD
- NPDES permit
- WI0029041
- Expired
- Permit expires
- December 2023
- Population served
- 432
- CWNS 2022
Rock Springs Wastewater Treatment Facility is a publicly owned wastewater treatment works in Rock Springs, Sauk County, Wisconsin treating an average of 0.02 million gallons per day against a permitted design capacity of 0.08 MGD, serving about 432 residents. It discharges under NPDES permit WI0029041 (expired), which expires in December 2023, with 30 recorded violations in the last three years.
Treatment technology
One treatment structure or unit process identified at Rock Springs Wastewater Treatment Facility.
Available with a free Klarifi account
See the full treatment train at Rock Springs Wastewater Treatment Facility: structures, unit processes and planned upgrades, with exact unit counts.
Compliance snapshot (last 3 years)
- Total violations
- 30
- Effluent violations
- 30
Based on NPDES Discharge Monitoring Reports. Full violation history, parameters and discharge data available in the Klarifi platform.
Key contacts
3 verified contacts for Rock Springs Wastewater Treatment Facility, with validated emails and direct phone numbers.
Unlock 3 verified contacts
Names, validated emails and direct phone numbers for decision-makers at Rock Springs Wastewater Treatment Facility, plus the full compliance history and discharge data.
Nearby wastewater treatment plants in Wisconsin
North Freedom · 3 mi away
0.06 MGD
Reedsburg · 6 mi away
1.93 MGD
Loganville · 6 mi away
0.04 MGD
Baraboo · 9 mi away
1.31 MGD
Lake Delton · 12 mi away
1.38 MGD
La Valle · 13 mi away
0.02 MGD
Lyndon Station · 17 mi away
0.04 MGD
Sauk City · 19 mi away
0.02 MGD
Rock Springs Wastewater Treatment Facility: 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 November 6, 2025.
Wastewater terms: POTW · MGD · NPDES permit · Inflow and infiltration · FOG · Equalization tank · all terms