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Community Water System · PWS WI1110123

Saddle Ridge Estates

Portage, Wisconsin 53901 - drinking water served from groundwater sources to 700 people, tracked in EPA SDWIS and UCMR5.

700
People served
31
EPA violations
11
Health-based
Untested
UCMR5 result

The verdict

EPA records 31 drinking-water violations at Saddle Ridge Estates, 35% of them health-based - above the Wisconsin per-system average.

31
Total EPA violations on record
35%
Health-based (MCL / treatment failure)
700
People served by this system
N/A
PFAS compounds detected (UCMR5)

Water Quality Snapshot: Saddle Ridge Estates

Saddle Ridge Estates is a private-owned community water system that delivers drinking water to 700 residents in Portage, Wisconsin (Columbia County) through 338 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 31 total violations for this system , of which 11 (35%) are health-based, meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 14 monitoring and reporting violations are on file. The most recent violation on record dates to 2024.

The most frequently cited contaminant at this system is Coliform (TCR), recorded in 10 violations (MCL, health-based). This system has not yet been sampled under EPA's UCMR5 PFAS monitoring program, so no PFAS detection data is available here.

Across Wisconsin, EPA tracks 10,988 public water systems serving 5,131,439 people, with 285,161 cumulative violations and 58,688 health-based violations on record. About 72% of systems in the state carry at least one violation, and state-wide the average per system is 26 violations. Statewide, 78 of 202 UCMR5-tested systems have reported PFAS detections (38.6%).

Saddle Ridge Estates's 31 violations sit above the Wisconsin average.

All figures above are sourced directly from EPA SDWIS and UCMR5 public data releases and are updated as EPA publishes new reporting cycles.

Population Served
700
Total Violations
31
Health-Based Violations
11
Water Source
Groundwater

System Details

System Type
Community
Owner Type
Private
Connections
338
County
Columbia
School/Daycare
No
MCL Violations
10
Monitoring Violations
14
Treatment Tech Violations
1

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Coliform (TCR) MCL 10 2015
Revised Total Coliform Rule MON 7 2017
Coliform (TCR) MR 5 2009
Lead and Copper Rule MR 2 2016
Public Notice Other 2 2024
Consumer Confidence Rule Other 2 2010
LEAD AND COPPER RULE REVISIONS TT 1 2024
LEAD AND COPPER RULE REVISIONS RPT 1 2024

Verify This Water System

The figures above are aggregated from EPA's public databases. To verify the underlying records, or to file a complaint, request a Consumer Confidence Report, or check current monitoring status, go directly to the federal and state regulators that enforce the Safe Drinking Water Act for Saddle Ridge Estates.

Federal Source of Truth

EPA SDWIS, Federal Reports

EPA's Safe Drinking Water Information System (SDWIS) holds the federal compliance record for every regulated public water system. Open the system-level report by PWS ID:

View PWS ID WI1110123 on SDWIS

Source: EPA SDWIS Federal Reports Search

State Regulator

Wisconsin Drinking Water Authority

Wisconsin DNR, Drinking Water and Groundwater is the primacy agency that licenses and inspects Saddle Ridge Estates under EPA-delegated authority.

Open WI regulator portal

Source: Wisconsin DNR, Drinking Water and Groundwater

Violation Timeline

Each row links to the EPA SDWIS public record for verification. Cross-reference the contaminant code on EPA's federal report to see violation dates, return-to-compliance status, and enforcement actions.

Year (latest) Contaminant Category Count EPA Record
2024 Public Notice Other 2 SDWIS / WI1110123 / 7500
2024 LEAD AND COPPER RULE REVISIONS TT 1 SDWIS / WI1110123 / 5200
2024 LEAD AND COPPER RULE REVISIONS RPT 1 SDWIS / WI1110123 / 5200
2017 Revised Total Coliform Rule MON 7 SDWIS / WI1110123 / 8000
2016 Lead and Copper Rule MR 2 SDWIS / WI1110123 / 5000
2015 Coliform (TCR) MCL 10 SDWIS / WI1110123 / 3100
2010 Consumer Confidence Rule Other 2 SDWIS / WI1110123 / 7000
2009 Coliform (TCR) MR 5 SDWIS / WI1110123 / 3100

How Saddle Ridge Estates Compares

Cross-reference this system's record against state averages and the federal MCL framework for context.

Metric Saddle Ridge Estates Wisconsin avg Federal benchmark
Total violations 31 26 SDWA compliance, any non-zero count is a recorded breach
Health-based violations 11 5.3 Indicates a contaminant exceeded a federal MCL
PFAS detection None 38.6% EPA final rule (2024): PFOA/PFOS MCL = 4.0 ppt
Population served 700 467 Sizing context for compliance burden

Sources: EPA SDWIS and EPA National Primary Drinking Water Regulations (40 CFR Part 141). State averages computed across 10,988 regulated public water systems in Wisconsin.

Federal MCL reference, Safe Drinking Water Act thresholds ▼
Contaminant Federal MCL / Action Level Note
Lead 0 mg/L (Action Level: 0.015 mg/L) Lead and Copper Rule treatment technique
Arsenic 0.010 mg/L (10 ppb) Health-based MCL since 2006
Total Coliform Treatment technique (RTCR) Indicator organism, monitoring trigger
PFOA / PFOS (PFAS) 4.0 ppt each (final 2024 rule) Compliance deadline 2029 (EPA proposed extending to 2031, not yet final as of May 2026)
Nitrate (as N) 10 mg/L Acute health risk for infants

Frequently Asked Questions

Is Saddle Ridge Estates water safe to drink? ▼
Saddle Ridge Estates (PWS ID: WI1110123) has 31 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 700 people using Groundwater sources.
How many people does Saddle Ridge Estates serve? ▼
Saddle Ridge Estates serves 700 people in Portage, Wisconsin. It is a Private-owned system using Groundwater water sources with 338 service connections.
What type of violations does Saddle Ridge Estates have? ▼
Saddle Ridge Estates has 31 total violations: 11 health-based violations (MCL exceedances or treatment failures), 14 monitoring/reporting violations, and 1 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in Saddle Ridge Estates water? ▼
No PFAS testing data is available for Saddle Ridge Estates under the EPA's UCMR5 monitoring program.
What water source does Saddle Ridge Estates use? ▼
Saddle Ridge Estates uses Groundwater as its primary water source. It is classified as a Community Water System (CWS), serving residential populations year-round.
Where does this data come from? ▼
All data comes from the EPA Safe Drinking Water Information System (SDWIS) and the UCMR5 PFAS monitoring program. SDWIS tracks compliance for all public water systems regulated under the Safe Drinking Water Act.
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025. This data is provided for informational purposes only.

Read our methodology - how this data is sourced, computed, and verified.

Data sourced from EPA SDWIS and UCMR5 PFAS monitoring data. See our methodology for details. Retrieved and formatted by PlainWater Editorial

Every figure on PlainWater is rendered directly from EPA SDWIS drinking-water data, no number is typed in by an editor. This system's figures are rendered directly from EPA SDWIS data, no figure is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.