WaterVerge

Is West Baraboo, WI Tap Water Safe to Drink?

Graded A- — but Copper was detected above EPA limits. Here's what's in the water and how to remove it. What to do next ↓

1K residents served 1 water system PWSID: WI1570112
Overall Score
85.9 / 100
Violations
1 active
Last Updated
May 2026
Source
Groundwater
#152 of 446 in Wisconsin Top 32% nationally
Local Government
Moderate data confidence
Reviewed by WaterVerge Editorial Team · Last updated May 2026
A-GRADE
Water Quality Grade
85.9/100
waterverge.com
A- 85.9/100

West Baraboo, WI — Water Quality Report

West Baraboo's drinking water received a grade of A- (85.9 out of 100), indicating good water quality. The city's 1 water system serves approximately 1,414 residents using groundwater.

Lead levels were measured at 0.7 ppb (90th percentile), well within EPA limits. This system has not yet been tested for PFAS under the EPA UCMR 5 program.

The system has 2 violations on record, including 0 health-based violations. 1 remains unresolved.

Data last updated: May 2026 · Source: EPA SDWIS, UCMR 5
Analysis

What to know about West Baraboo's water

West Baraboo ranks #152 out of 446 cities in Wisconsin for water quality, placing it mid-range in the state.

West Baraboo relies on groundwater, which is generally less vulnerable to surface contamination but can be affected by naturally occurring minerals like arsenic and nitrate, as well as agricultural and industrial runoff.

As a small community water system, West Baraboo may have fewer resources for advanced treatment technologies and infrastructure upgrades compared to larger utilities.

Quality Breakdown

Water quality score

See methodology →
85.9 out of 100 Grade A-
A: 90-100
B: 74-89
C: 60-73
F: <50
How is this calculated?
Violations
44.9/45
A
Historical violation record including health-based and monitoring violations.
Lead & Copper
16/20
B
Lead at 0.7 ppb (90th percentile).
Contaminants
17/20
B
PFAS + legacy contaminant analysis.
Compliance
3/10
F
Monitoring and reporting compliance with EPA regulations.
Source Risk
5/5
A
Water source: Groundwater.
Water Safety

Is West Baraboo, WI water safe to drink?

Use Caution

West Baraboo's tap water meets most EPA standards but has areas that warrant attention. With a grade of A- (85.9/100), some contaminant levels or compliance issues suggest that residents may benefit from additional filtration. The city's 1 water system serves approximately 1,414 residents using groundwater (wells).

1
Active Violations
0.7 ppb
Lead (90th %ile)
4 events
Disaster History

Recent water quality updates for West Baraboo

A timeline of significant water quality events, violations, and data updates.

Update
Water quality data updated

Latest EPA compliance and testing data incorporated into West Baraboo's water quality assessment. Grade: A- (85.9/100).

Disaster
SEVERE STORMS, TORNADOES, STRAIGHT-LINE WINDS, FLOODING, AND LANDSLIDES

Federal disaster declaration (FEMA DR-4402). Flood event — may have impacted local water infrastructure.

Violation
1 drinking water violation recorded

Contaminants: Lead and Copper Rule.

Violation
1 drinking water violation recorded

Contaminants: Coliform (TCR).

Disaster
HURRICANE KATRINA EVACUATION

Federal disaster declaration (FEMA DR-3249). Hurricane event — may have impacted local water infrastructure.

Key contaminant findings

Based on the most recent EPA sampling data for West Baraboo's water supply.

Lead Within Limits
Detected: 0.7 ppb Limit: 15 ppb (EPA Action Level)

Well within EPA limits.

Copper Exceeds Limit
Detected: 1.58 mg/L Limit: 1.3 mg/L (EPA Action Level)

Exceeds EPA action level. Copper can leach from household plumbing — flush taps for 30 seconds before drinking.

Violation history

West Baraboo's water system has 2 total violations on record, including 0 health-based violations. 1 remain unresolved.

MR
Most recent violations:
Jan 2012 Lead and Copper Rule Open
Aug 2008 Coliform (TCR) Resolved

Flood & environmental risk

Sauk County has experienced 4 federally declared disasters since 1976. Flooding and severe storms can overwhelm water treatment plants, cause sewage overflows, and introduce agricultural runoff, bacteria, and sediment into drinking water supplies. Local water sources include Wisconsin River, Devils Lake, Baraboo River.

SEVERE STORMS, TORNADOES, STRAIGHT-LINE WINDS, FLOODING, AND LANDSLIDES
Flood FEMA DR-4402
HURRICANE KATRINA EVACUATION
Hurricane FEMA DR-3249
SEVERE STORMS & FLOODING
Flood FEMA DR-964

Where does West Baraboo's water come from?

West Baraboo's drinking water comes from groundwater (wells), supplied by 1 water system serving approximately 1,414 people. Groundwater is generally less susceptible to surface contamination but can contain naturally occurring contaminants like arsenic, radon, and nitrate. Nearby water bodies include Wisconsin River (river), Devils Lake (lake), Baraboo River (river).

What West Baraboo residents can do

Request your utility's CCR

Your water utility is required to publish an annual Consumer Confidence Report (CCR) with detailed testing results. Ask for the latest copy or check your utility's website.

Monitor alerts during storms

West Baraboo's area has a history of flooding. After severe weather, watch for boil water advisories from your local utility.

Data: EPA SDWIS, UCMR 5 (PFAS), FEMA, NOAA. Last updated May 2026.

Contaminant Alerts

Top contaminants to know

View all ↓
Lead (90th percentile)
Inorganic / Heavy Metal
Safe
0.7 ppb
EPA Action Level: 15 ppb · 4% of limit
Safe Level
Copper (90th percentile)
Inorganic
Over Limit
1.58 mg/L
EPA Action Level: 1.3 mg/L · +20% over limit
Exceeds Limit
Compliance Record

Violation summary

2
Total violations
0
Health-based
1
Active / unresolved
Jan 2012
Most recent violation
Compliance Record

Violations & advisories

2 Total
1 Active
0 Health-based
1 Resolved
Violations by category
Lead and Copper Rule
1
Total Coliform Rule
1
Jan 2012 Active
Lead and Copper Rule
Monitoring & Reporting
Monitoring & Reporting 0
Aug 2008 Resolved
Coliform (TCR)
Monitoring & Reporting
Monitoring & Reporting Resolved Aug 2008
Industrial pollution

Top industrial polluters within 10 miles of West Baraboo

Industrial polluters nearby

Reported releases to surface water by facilities near West Baraboo, ranked by pounds discharged annually.

FacilityTop chemicalTo surface water (lbs/yr)Distance
SENECA FOODS CORP
Fabricated Metals · SENECA FOODS CORP
BARABOO, WI53913
1.4 mi
CUSTOM PULTRUSIONS INC.
Plastics and Rubber · ANDERSEN CORP
BARABOO, WI53913
2.9 mi
TEEL PIPE LLC
Plastics and Rubber · TEEL PLASTICS LLC
BARABOO, WI53913
1.1 mi

Source: EPA Toxic Release Inventory (TRI) 2023

Site context

Superfund sites within 10 miles of West Baraboo

Superfund sites nearby

Federally tracked hazardous-waste sites on the EPA National Priorities List. Proximity does not necessarily indicate tap-water contamination — the connection depends on hydrology and treatment.

Source: EPA Superfund National Priorities List

Environmental Risk

Flood & disaster history

4
Declared disasters
Oct 2018
Most recent
Flood
Most common type

Sauk County has experienced 4 federally declared disasters since 1976. Flooding and severe weather can compromise water treatment infrastructure and introduce contaminants into drinking water supplies.

Oct 2018
SEVERE STORMS, TORNADOES, STRAIGHT-LINE WINDS, FLOODING, AND LANDSLIDES
Flood FEMA #4402
Sep 2005
HURRICANE KATRINA EVACUATION
Hurricane FEMA #3249
Sep 1992
SEVERE STORMS & FLOODING
Flood FEMA #964
Mar 1976
SEVERE STORMS, ICING, WIND & FLOODING
Flood FEMA #496

Recommended water filters

Based on contaminants detected in West Baraboo's water supply, we recommend the following filter types.

🔧
For Copper
Reverse Osmosis or KDF Filter
Copper exceeds the EPA action level of 1.3 mg/L

Full contaminants report

Contaminant Detected Level EPA Limit Unit Category Status
Lead (90th percentile) 0.7 15 ppb Inorganic Safe
Copper (90th percentile) 1.58 1.3 mg/L Inorganic Over Limit
Data source: EPA SDWIS, UCMR 5, local utility CCR.

Lead level trend (90th percentile)

EPA action level: 15 ppb
Lead has decreased by 5.3 ppb from 1993 (6.0 ppb) to 2023 (0.7 ppb).

Copper level (90th percentile)

Latest reading: 1.580 mg/L (1993)

EPA action level: 1.3 mg/L

Contaminant Rankings

See how West Baraboo compares by contaminant

Explore where West Baraboo ranks among all Wisconsin cities for specific contaminants.

Infrastructure

Water source & infrastructure

Primary Source
Groundwater
Operator
Local Government
Population Served
1,414
Water Systems
1
Water Source

Where West Baraboo's water comes from

Groundwater

West Baraboo's drinking water is drawn from underground aquifers through wells.

Groundwater is naturally filtered through rock and soil layers, generally requiring less treatment than surface water. However, it can contain naturally occurring contaminants like arsenic, radon, and minerals.

Agricultural activity, septic systems, and industrial operations near well fields can introduce nitrates, pesticides, and volatile organic compounds.

The system is operated by local government ownership and serves approximately 1,414 people through 1 water system.

Local Hydrology

Water bodies near West Baraboo

West Baraboo is located near 3 notable water bodies. These water bodies contribute to the regional watershed and may indirectly affect groundwater quality.

Wisconsin River
river
Devils Lake
lake
Baraboo River
river
Infrastructure

Water systems serving West Baraboo

System Name PWSID Population Source
WEST BARABOO WATERWORKS WI1570112 1,414 GW
Regional Comparison

How West Baraboo compares

Full Wisconsin rankings →

West Baraboo's score of 85.9/100 is above the average of 65/100 among major Wisconsin cities. It outscores 8 of 10 nearby cities.

West Baraboo (this city)
85.9
Milwaukee
90.2
Madison
35.4
Racine
69.5
Kenosha
45.8
Wisconsin avg
65
City Profile

About West Baraboo, WI

Economic Profile
$55,952
Median Income
$200,180
Median Home Value
$979/mo
Median Rent
3.8%
Unemployment
Community
35.3
Median Age
477
People / sq mi
23.5%
College Educated
46.4%
Homeownership
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Frequently asked questions

Is West Baraboo, WI tap water safe to drink?

West Baraboo's water quality earned a grade of A- (85.9/100). The water generally meets EPA standards and is considered safe for consumption. The city ranks #152 out of 446 cities tested in Wisconsin.

What contaminants are in West Baraboo's water?

Lead was measured at 0.7 ppb (90th percentile). 2 violations are on record.

How is West Baraboo's water quality grade calculated?

The grade is based on four factors: violation history (40%), lead and copper levels (25%), PFAS contamination (25%), and regulatory compliance (10%). The score is also adjusted based on how complete the available data is. See our methodology page for full details.

Do I need a water filter in West Baraboo?

Based on current data, basic filtration should suffice for additional peace of mind.

Where does West Baraboo's water come from?

West Baraboo's water is sourced from Groundwater. The city has 1 water system serving approximately 1,414 residents.

Is West Baraboo's groundwater at risk of contamination?

West Baraboo uses groundwater, which can be affected by naturally occurring contaminants like arsenic, radon, and nitrate, as well as agricultural runoff and industrial activity. The system has 2 violations on record that may relate to groundwater quality. Groundwater systems are generally less susceptible to surface contamination but should be monitored for emerging contaminants like PFAS.

How does West Baraboo's water compare to other cities?

West Baraboo ranks #152 out of 446 cities in Wisconsin (better than 66% of state cities) and #5039 out of 15744 cities nationally (68th percentile). The grade of A- reflects the combined assessment of violation history, lead and copper levels, PFAS contamination, and regulatory compliance.

Does West Baraboo's small water system affect quality?

West Baraboo's system serves approximately 1,414 residents. Small community water systems (under 3,300 people) may have fewer financial resources for infrastructure upgrades and advanced treatment technologies. However, they are held to the same EPA drinking water standards as larger systems. This system has 2 violations on record.