Elk Point, SD: High Radon Risk — 65/100 (2026)
1 ZIP code · 4 water systems · Updated 2026-06-03
In recent monitoring cycles, Elk Point tap water shows a mixed record for SD — several systems have documented violations alongside areas with clean compliance histories.
How Elk Point Compares
Data: EPA SDWIS Last verified: 2026-06-03
What You Should Know About Elk Point Water
- Average lead level: 0.002 mg/L.
- Homes built before 1986: 61% — older plumbing may contain lead solder.
- Estimated remediation: $3,000 per household.
- CDC health risk index: 11.98.
Who Supplies Your Water in Elk Point
3 independent water providers serve Elk Point, SD — 4 systems appear in federal records.
Overview
We track water quality and home safety data for 1 ZIP code in Elk Point, South Dakota (population ~3,165), covering 4 community water systems serving approximately 11,393 people region-wide.
No EPA violations recorded across any ZIP codes in Elk Point — an excellent indicator of water quality.
Home Safety Score
Average Home Safety Score for Elk Point: C (65/100)
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
Elk Point water systems draw from: Groundwater.
Lead & Copper
- Average lead level (90th percentile): 0.0020 mg/L (EPA action level: 0.015 mg/L)
- 0 ZIP codes exceed the EPA lead action level
Radon Risk
Dominant radon zone: Zone 1 (High 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 |
|---|---|---|---|
| 57025 | C | Elk Point | 2,124 |
All ZIP Codes in Elk Point
- 57025 [C]
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.
Health Outcomes in Elk Point
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
Housing & Infrastructure in Elk Point
With 61% 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
Because the majority of Elk Point's housing predates 1986, when lead solder was banned from new plumbing, the median build year of 1974 reflects a city where lead-era plumbing materials are common rather than exceptional.
Over half of homes in Elk Point 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.
Cost Context: What Remediation Means for Elk Point Homeowners
Middle of the range — Elk Point homeowners face a remediation share that calls for real financial attention without reaching crisis territory.
Remediation costs are moderate relative to home values in Elk Point. The estimated $2,000–$4,000 range is manageable for most homeowners but still worth budgeting for. Home values are 29% above the South Dakota average.
Lead Exposure Risk for Children in Elk Point
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.
Routinely in Elk Point, where 61% of housing predates the solder ban and aggregate utility readings hover near the federal threshold, a faucet-level draw functions as a standard household step for families with small kids.
Sources: EPA Lead and Copper Rule, U.S. Census Bureau ACS, CDC childhood lead poisoning prevention guidelines.
Flood & Climate Risk in Elk Point
Over the multi-decade window covered by the National Flood Insurance Program, Elk Point has accumulated 14 claims — a total that suggests more than isolated flood exposure. With 100% of ZIP codes in designated flood zones, the water-quality implications of flooding move from hypothetical to periodically relevant: treatment intake can be compromised, wells can be infiltrated, and distribution backflow can occur.
Elk Point has a moderate flood history with 14 FEMA claims averaging $34,886 per payout. 100% of ZIP codes fall within FEMA flood zones. Flood events can contaminate drinking water and overwhelm treatment systems.
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>$3,000</strong> remediation cost per household.
Residents in flood-prone areas should consider flood insurance even outside FEMA zones — over 25% of flood claims come from low-to-moderate risk areas. After any flood event, test your water before drinking.
Source: FEMA National Flood Insurance Program (NFIP) claims data, FEMA flood zone designations.
What You Can Do in Elk Point
- 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 61% of homes built before 1986, lead solder is a real possibility.
Deep Dive Reports
Detailed analysis for Elk Point, SD