805 Richgruber Road, Sparta, WI 54656 · Monroe County · Publicly Owned Treatment Works
Sparta Wastewater Treatment Facility is a publicly owned wastewater treatment works in Sparta, Monroe County, Wisconsin treating an average of 1.33 million gallons per day against a permitted design capacity of 1.5 MGD, serving about 9,353 residents. It discharges under NPDES permit WI0020737 (expired), which expires in March 2025, with 2 recorded violations in the last three years. EPA has recorded 1 formal enforcement action naming the plant, the latest in June 1991.
2 treatment structures and unit processes identified at Sparta Wastewater Treatment Facility.
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See the full treatment train at Sparta Wastewater Treatment Facility: structures, unit processes and planned upgrades, with exact unit counts.
Based on NPDES Discharge Monitoring Reports. Full violation history, parameters and discharge data available in the Klarifi platform.
Federal civil enforcement cases, compliance inspections and informal actions recorded for Sparta Wastewater Treatment Facility in EPA's ICIS system.
Latest case · Jun 1991
SPARTA-CITY OF
Administrative order · CWA, NPDES Discharge without a Permit · Final Order With Penalty · Penalty $20,000
Source: EPA ECHO, civil enforcement case 05-1990-0271.
Full case history with a free Klarifi account
Every action against Sparta Wastewater Treatment Facility with dates, milestones, violation types and EPA's complete case summaries, plus inspections and informal actions.
2 verified contacts for Sparta Wastewater Treatment Facility, with validated emails and direct phone numbers.
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Names, validated emails and direct phone numbers for decision-makers at Sparta Wastewater Treatment Facility, plus the full compliance history and discharge data.
Fort Mccoy · 9 mi away
0.26 MGD
Norwalk · 12 mi away
0.03 MGD
Cashton · 13 mi away
0.1 MGD
West Salem · 14 mi away
0.54 MGD
Mindoro · 16 mi away
0.04 MGD
Melrose · 16 mi away
0.02 MGD
West Salem · 16 mi away
0.0058 MGD
Wilton · 16 mi away
0.04 MGD
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 6, 2025.
Wastewater terms: POTW · MGD · NPDES permit · Inflow and infiltration · Biosolids · Filter press · all terms