Is Ladysmith, WI Tap Water Safe to Drink?
Graded D — but Copper was detected above EPA limits. Here's what's in the water and how to remove it. What to do next ↓
49.8/100
waterverge.com Ladysmith, WI — Water Quality Report
Ladysmith's drinking water received a grade of D (49.8 out of 100), indicating poor water quality. The city's 2 water systems serve approximately 3,218 residents using groundwater.
Lead levels were measured at 1.8 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 224 violations on record, including 18 health-based violations. 41 remain unresolved.
What to know about Ladysmith's water
Ladysmith ranks #413 out of 446 cities in Wisconsin for water quality, placing it among the lowest-rated in the state.
Ladysmith 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, Ladysmith may have fewer resources for advanced treatment technologies and infrastructure upgrades compared to larger utilities.
The system has seen 25 violations in the past five years, suggesting a pattern of compliance challenges that residents should monitor closely.
Water quality score
See methodology →Is Ladysmith, WI water safe to drink?
Ladysmith's drinking water has significant quality concerns based on EPA testing data. With a grade of D (49.8/100), the system has issues across multiple categories. A water filter is recommended for all residents. The city's 2 water systems serve approximately 3,218 residents using groundwater (wells).
Recent water quality updates for Ladysmith
A timeline of significant water quality events, violations, and data updates.
Latest EPA compliance and testing data incorporated into Ladysmith's water quality assessment. Grade: D (49.8/100).
Contaminants: Public Notice.
Contaminants: LEAD AND COPPER RULE REVISIONS.
Contaminants: Public Notice.
Federal disaster declaration (FEMA DR-4459). Flood event — may have impacted local water infrastructure.
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 Ladysmith's water supply.
Well within EPA limits.
Exceeds EPA action level. Copper can leach from household plumbing — flush taps for 30 seconds before drinking.
Violation history
Ladysmith's water system has 224 total violations on record, including 18 health-based violations. 41 remain unresolved. 25 violations were issued in the last 5 years.
Flood & environmental risk
Rusk County has experienced 5 federally declared disasters since 1973. 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 Flambeau River.
Where does Ladysmith's water come from?
Ladysmith's drinking water comes from groundwater (wells), supplied by 2 water systems serving approximately 3,218 people. Groundwater is generally less susceptible to surface contamination but can contain naturally occurring contaminants like arsenic, radon, and nitrate. Nearby water bodies include Flambeau River (river).
What Ladysmith residents can do
Recommended: NSF-certified water filter. This addresses the specific contaminants found in Ladysmith's water.
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.
Ladysmith'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.
Top contaminants to know
View all ↓Violation summary
Violations & advisories
Top industrial polluters within 10 miles of Ladysmith
Industrial polluters nearby
Reported releases to surface water by facilities near Ladysmith, ranked by pounds discharged annually.
| Facility | Top chemical | To surface water (lbs/yr) | Distance |
|---|---|---|---|
DUNN PAPER - LADYSMITH LADYSMITH, WI54848 | — | — | 0.6 mi |
Source: EPA Toxic Release Inventory (TRI) 2023
Flood & disaster history
Rusk County has experienced 5 federally declared disasters since 1973. Flooding and severe weather can compromise water treatment infrastructure and introduce contaminants into drinking water supplies.
Recommended water filters
Based on contaminants detected in Ladysmith's water supply, we recommend the following filter types.
Full contaminants report
| Contaminant | Detected Level | EPA Limit | Unit | Category | Status |
|---|---|---|---|---|---|
| Lead (90th percentile) LeadHeavy Metal A toxic heavy metal that can leach into drinking water from older pipes, solder, and fixtures. No amount of lead in water is considered safe. Health EffectsBrain and nervous system damage in children, kidney damage, high blood pressure, and reproductive problems in adults. EPA Limit15 ppb action level Common SourcesCorrosion of lead pipes, lead solder, brass faucets, and household plumbing. | 1.8 | 15 | ppb | Inorganic | Safe |
| Copper (90th percentile) CopperInorganic A metal that enters drinking water mainly through corrosion of copper plumbing. Small amounts are essential for health, but excess levels are harmful. Health EffectsGastrointestinal distress (nausea, vomiting, diarrhea) at short-term high levels; liver and kidney damage from long-term exposure. EPA Limit1.3 mg/L action level Common SourcesCorrosion of copper household plumbing, erosion of natural deposits. | 1.40 | 1.3 | mg/L | Inorganic | Over Limit |
Lead level trend (90th percentile)
Copper level trend (90th percentile)
See how Ladysmith compares by contaminant
Explore where Ladysmith ranks among all Wisconsin cities for specific contaminants.
Water source & infrastructure
Where Ladysmith's water comes from
Ladysmith'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 3,218 people through 2 water systems.
Water bodies near Ladysmith
Ladysmith is located near 1 notable water body. These water bodies contribute to the regional watershed and may indirectly affect groundwater quality.
Water systems serving Ladysmith
| System Name | PWSID | Population | Source |
|---|---|---|---|
| LADYSMITH WATERWORKS | WI8550131 | 3,184 | GW |
| WILLOW LANE ESTATES | WI8550135 | 34 | GW |
How Ladysmith compares
Full Wisconsin rankings →Ladysmith's score of 49.8/100 is below the average of 65/100 among major Wisconsin cities. It outscores 3 of 10 nearby cities. 7 of 10 nearby cities score higher.
Nearby cities
View Wisconsin rankings →About Ladysmith, WI
Learn more about your water
Guides and resources related to Ladysmith's water quality findings.
Explore water quality across Rusk
Frequently asked questions
Is Ladysmith, WI tap water safe to drink?
Ladysmith's water quality earned a grade of D (49.8/100). Significant issues have been found. A water filter is strongly recommended. The city ranks #413 out of 446 cities tested in Wisconsin.
What contaminants are in Ladysmith's water?
Lead was measured at 1.8 ppb (90th percentile). 224 violations are on record.
How is Ladysmith'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 Ladysmith?
Based on current data, basic filtration should suffice for additional peace of mind.
Where does Ladysmith's water come from?
Ladysmith's water is sourced from Groundwater. The city has 2 water systems serving approximately 3,218 residents.
What health violations has Ladysmith's water system had?
Ladysmith has 18 health-based violations on record. The most recent violation was recorded in September 2025. Health-based violations mean the water exceeded EPA maximum contaminant levels (MCLs) for a regulated substance. 41 violations remain unresolved.
Is Ladysmith's groundwater at risk of contamination?
Ladysmith 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 224 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 Ladysmith's water compare to other cities?
Ladysmith ranks #413 out of 446 cities in Wisconsin (better than 7% of state cities) and #13213 out of 15744 cities nationally (16th percentile). The grade of D reflects the combined assessment of violation history, lead and copper levels, PFAS contamination, and regulatory compliance.