Mud Butte, SD Water Safety: 53/100 (2026)
1 ZIP code · 1 water system · Updated 2026-06-03
State safety rankings put Mud Butte, SD near the lower tier — below-average compliance on record.
How Mud Butte Compares
Data: EPA SDWIS Last verified: 2026-06-03
Key Facts for Mud Butte Residents
- Homes built before 1986: 72% — older plumbing may contain lead solder.
- Estimated remediation: $400 per household.
- CDC health risk index: 11.8.
Mud Butte's Water Providers
The structure of water supply in Mud Butte, SD is straightforward: one utility provides the bulk of residential service among 1 tracked system, concentrating rate-setting and infrastructure decisions under a single organization.
Overview
We track water quality and home safety data for 1 ZIP code in Mud Butte, South Dakota (population ~42), covering 1 community water system serving approximately 1,481 people region-wide.
No EPA violations recorded across any ZIP codes in Mud Butte — an excellent indicator of water quality.
Home Safety Score
Average Home Safety Score for Mud Butte: D (53/100)
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
Mud Butte water systems draw from: Groundwater.
Lead & Copper
- Lead data: not yet available for Mud Butte
- 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 |
|---|---|---|---|
| 57758 | D | BUTTE-MEADE SWD-BEAN WELL | 1,481 |
All ZIP Codes in Mud Butte
- 57758 [D]
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.
Mud Butte Community Health Snapshot
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
Mud Butte Infrastructure Age
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
When more than half a city's housing predates the 1986 federal ban on lead solder, plumbing-era lead risk becomes a citywide concern rather than an exception. Mud Butte's median build year of 1976 places it squarely in that category.
Over half of homes in Mud Butte 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.
Mud Butte: Lead Risk & Vulnerable Populations
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.
Older stock in Mud Butte represents 72% of the inventory, and citywide monitoring runs at or above the federal action level — making an in-home read a standard household-level step.
Sources: EPA Lead and Copper Rule, U.S. Census Bureau ACS, CDC childhood lead poisoning prevention guidelines.
What You Can Do in Mud Butte
- Test your water at home. City-level data shows averages — your tap may differ. NSF-certified test kits cost $20-40 and give results in days.
- Install a certified water filter. An NSF-certified pitcher or under-sink filter removes most common contaminants.
- Check your home's plumbing. With 72% of homes built before 1986, lead solder is a real possibility.
- Review your water system's CCR. Your utility publishes an annual Consumer Confidence Report with detailed test results. Request it or find it online.
Deep Dive Reports
Detailed analysis for Mud Butte, SD