Loyal, WI Water Safety: 83/100 (2026)
1 ZIP code · 1 water system · Updated 2026-06-03
Drinking water tracked for Loyal by WI authorities posts above-average scores — the majority of systems are free from health-based exceedances and the city's grade sits above the state median.
How Loyal Compares
Data: EPA SDWIS Last verified: 2026-06-03
Loyal Water: The Quick Version
- Average lead level: 0.0008 mg/L.
- Homes built before 1986: 72% — older plumbing may contain lead solder.
- Estimated remediation: $1,600 per household.
- CDC health risk index: 14.19 — above typical levels.
Water Systems Serving Loyal
Because residential water in Loyal, WI flows primarily through a single utility, infrastructure decisions, rate-setting, and EPA compliance are all managed within one organizational structure. Federal records show 1 system active in the area, but one provider dominates the service landscape for most homes and apartments.
Overview
We track water quality and home safety data for 1 ZIP code in Loyal, Wisconsin, covering 1 community water system serving approximately 3,446 people.
No EPA violations recorded across any ZIP codes in Loyal — an excellent indicator of water quality.
Home Safety Score
Average Home Safety Score for Loyal: B (83/100)
The score combines three factors:
| Factor | What It Measures |
|---|---|
| Water Quality | EPA violations and compliance history |
| Lead Levels | 90th percentile lead concentration vs EPA action level |
| Radon Risk | EPA radon zone classification |
Water Sources
Loyal water systems draw from: Groundwater.
Lead & Copper
- Average lead level (90th percentile): 0.0008 mg/L (EPA action level: 0.015 mg/L)
- 0 ZIP codes exceed the EPA lead action level
Radon Risk
Dominant radon zone: Zone 2 (Moderate Risk)
The EPA recommends testing homes in Zone 1 and Zone 2 areas for radon.
Areas with No Violations
| ZIP Code | Safety Score | System | Population |
|---|---|---|---|
| 54446 | B | Loyal Waterworks | 1,308 |
All ZIP Codes in Loyal
- 54446 [B]
Data Sources
- Water quality: EPA Safe Drinking Water Information System (SDWIS)
- Lead/copper: EPA Lead and Copper Rule sampling data
- Radon: EPA Map of Radon Zones
Updated daily.
CDC Health Data for Loyal
Source: CDC PLACES (County-level estimates). Water contamination can correlate with respiratory and chronic health conditions.
Compared to National Average
Vertical line = national average. ■ Above national · ■ Below national
How Old Is Loyal's Housing Stock?
With 72% of homes built before 1986, lead solder in plumbing is a potential concern. The EPA banned lead solder in 1986, but many older homes retain original plumbing.
Source: U.S. Census Bureau American Community Survey (ACS).
Housing Age Profile
Heavily weighted toward older construction, Loyal's housing stock carries a median build year of 1977. That profile puts a majority of homes in the era when lead-soldered copper plumbing was standard practice.
Over half of homes in Loyal were built before 1986, when lead solder was banned. Older plumbing may leach lead into drinking water, especially with corrosive water chemistry.
Source: U.S. Census Bureau ACS B25034.
Loyal: Remediation Cost in Perspective
Property value and cost data for Loyal produce a moderate remediation-share classification — a level where advance financial planning has real practical value and the commitment is realistic for most homeowners who approach it deliberately.
Remediation costs are moderate relative to home values in Loyal. The estimated $800–$2,600 range is manageable for most homeowners but still worth budgeting for. Home values are 34% below the Wisconsin average.
Protecting Children from Lead in Loyal
Why children are most at risk: The CDC states there is no safe level of lead exposure for children. Children under 6 absorb lead more readily than adults, and even low levels can cause developmental delays, learning difficulties, and behavioral problems.
When older housing represents 72% of the local inventory or aggregate readings approach the federal action level, an in-home check becomes the standard way to translate citywide averages into the specific reality of an individual Loyal address.
Sources: EPA Lead and Copper Rule, U.S. Census Bureau ACS, CDC childhood lead poisoning prevention guidelines.
Climate-Related Water Risk for Loyal
Flood zone coverage in Loyal is limited, and NFIP data confirms that pattern with a modest claim total. Limited flood frequency generally means limited risk of the water-quality disruptions that large flood events can trigger.
Loyal has a relatively low flood history with 3 FEMA claims on record. While risk is limited, severe weather events can still impact water infrastructure.
How flooding affects water quality: Flood events can introduce sewage, agricultural runoff, and industrial chemicals into water supplies. Even after floodwaters recede, contamination can persist in wells and aging infrastructure. Flood damage can add significantly to the estimated <strong>$1,600</strong> remediation cost per household.
Source: FEMA National Flood Insurance Program (NFIP) claims data, FEMA flood zone designations.
Deep Dive Reports
Detailed analysis for Loyal, WI