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Sparta Wastewater Treatment Facility

805 Richgruber Road, Sparta, WI 54656 · Monroe County · Publicly Owned Treatment Works

Average flow
1.33 MGD
Design flow
1.5 MGD
NPDES permit
WI0020737
Expired
Permit expires
March 2025
Population served
9,353
CWNS 2022

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.

Treatment technology

2 treatment structures and unit processes identified at Sparta Wastewater Treatment Facility.

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Compliance snapshot (last 3 years)

Total violations
2
Effluent violations
2

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 Sparta Wastewater Treatment Facility in EPA's ICIS system.

Formal actions
1
0 since FY2020
Penalties assessed
$20,000
all cases
EPA inspections
0
none on record

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.

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Every action against Sparta Wastewater Treatment Facility with dates, milestones, violation types and EPA's complete case summaries, plus inspections and informal actions.

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Key contacts

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.

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Nearby wastewater treatment plants in Wisconsin

US Army Fort Mccoy

Fort Mccoy · 9 mi away

0.26 MGD

0.03 MGD

0.1 MGD

0.54 MGD

0.04 MGD

0.02 MGD

Bostwick Valley Mhp WWTF

West Salem · 16 mi away

0.0058 MGD

0.04 MGD

Sparta 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 March 6, 2025.

Wastewater terms: POTW · MGD · NPDES permit · Inflow and infiltration · Biosolids · Filter press · all terms


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