CITY REPORT SD

Wakonda, SD: High Radon Risk - Home Safety 67/100

1 ZIP code · 2 water systems · Updated

ZipCheckup grade for Wakonda: C.

A mixed picture - some signals here are worth your attention.

Based on current EPA data, Wakonda, SD reflects fair but uneven tap water safety.

How Wakonda Compares

Wakonda67/100
South Dakota avg69/100
National avg73/100

Data: EPA SDWIS

1
ZIP Codes
2
Water Systems
0
ZIPs with Violations
C · 67
Avg Safety Score
Zone 1
Radon Risk (High)
$114K
Median Home Value
$1,500
Est. Remediation (1.3% of home value)

What You Should Know About Wakonda Water

  • Average lead level: 0.001 mg/L.
  • Homes built before 1986: 88% - older plumbing may contain lead solder.
  • Estimated remediation: $1,500 per household.
  • CDC health risk index: 10.69.

Who Supplies Your Water in Wakonda

Wakonda, SD draws its residential water from 2 separate providers among the 2 federally tracked systems. Each operates independently, with its own infrastructure, rate structure, and compliance record.

Overview

We track home safety data for 1 ZIP code in Wakonda, South Dakota (population ~516), covering 2 community water systems serving approximately 9,030 people region-wide. The EPA snapshots used for this build directly map water systems to 1 of 1 ZIP codes.

The available EPA record reports 0 violations for 1 ZIP code with a reported violation count.

Home Safety Score

Average Home Safety Score for Wakonda: C (67/100)

Model 4.0.0 uses four measured components across three equally weighted domains. If a required domain is unavailable, no score is published:

Factor What It Measures
Water Quality EPA violations and compliance history
PFAS MCL Screen UCMR 5 testing against the covered federal MCLs
Radon Risk EPA radon zone classification
Annual AQI EPA AirData county-year median with at least 90 observed days

Water Sources

Wakonda water systems draw from: Groundwater, Surface water.

Lead & Copper

  • Average lead level (90th percentile): 0.0010 mg/L (EPA action level: 0.015 mg/L)
  • 0 of 1 ZIP code with known status 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
57073 C Clay Rural Water System 4,780

All ZIP Codes in Wakonda

Data Sources

Reporting periods vary by source. Missing data is shown as unavailable, not as zero.

Health Outcomes in Wakonda

10.5%
Asthma (US: 9.8%)
8.1%
Diabetes (US: 10.4%)
17.8%
Poor Mental Health (US: 14.8%)

Source: CDC PLACES (County-level estimates). Water contamination can correlate with respiratory and chronic health conditions.

Compared to National Average

Asthma 10.5% ↑
Diabetes 8.1% ↓
Mental Health 17.8% ↑

Vertical line = national average. Above national · Below national

Housing & Infrastructure in Wakonda

1900
Median Build Year
88%
Built Before 1986
78%
Built Before 1970
Galvanized Steel or Lead
Likely Pipe Material

With 88% 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

For residents trying to assess tap water risk in Wakonda, the median build year of 1900 is the starting context. It signals that a majority of homes were constructed before 1986 - the year federal rules prohibited lead solder in new plumbing - and that a significant share likely predates 1970, when lead pipes were still a common choice for residential service connections. Neither risk tier is rare in this housing inventory.

1900
Median Year Built
88%
Pre-1986 (Lead Paint Risk)
78%
Pre-1970 (Lead Pipes Risk)
Pre-1970 (78%) 1970–1986 (10%) Post-1986 (12%)

Over half of homes in Wakonda 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 Wakonda Homeowners

The Wakonda equity share sits above the low tier but short of the range where remediation becomes a heavy financial burden - the cost-to-value ratio is moderate, and deliberate planning is the key practical lever for most homeowners.

Median Home Value
$113,700
Est. Remediation
$1,500
Remediation as % of home value 1.3%

Remediation costs are moderate relative to home values in Wakonda. The estimated $950–$2,100 range is manageable for most homeowners but still worth budgeting for. Home values are 35% below the South Dakota average.

Lead Exposure Risk for Children in Wakonda

88%
Homes Built Before 1986
0.001
mg/L Avg Lead (Limit: 0.015)

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.

If 88% of the Wakonda inventory comes from before the federal ban on lead-bearing solder - and if utility samples sit at or near 0.015 mg/L - the gap between citywide averages and one specific faucet becomes a practical concern rather than a theoretical one. That is why one-home reads exist as a separate measurement. A certified filter through retailer networks addresses confirmed exposure where it appears in a household.

Sources: EPA Lead and Copper Rule, U.S. Census Bureau ACS, CDC childhood lead poisoning prevention guidelines.

What You Can Do in Wakonda

  1. 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.
  2. Install a certified water filter. An NSF-certified pitcher or under-sink filter removes most common contaminants.
  3. Check your home's plumbing. With 88% of homes built before 1986, lead solder is a real possibility.

Frequently Asked Questions

What does the Home Safety Score mean for Wakonda, SD?
Wakonda has an average Home Safety Score of 67/100 (Grade C) under model 4.0.0. The score combines EPA SDWIS identity plus accepted ECHO SDWA lifecycle-based water compliance, the PFAS MCL screen, EPA radon zone, and annual EPA AQI, and is published only when all required domains are observed. The available EPA record reports no violations for ZIP codes with reported counts. Check individual ZIP code reports for component details.
Does Wakonda water have lead?
The average 90th-percentile lead level in Wakonda is 0.001 mg/L. This is below the EPA action level of 0.015 mg/L. Lead levels can vary by home - testing is recommended especially in older properties.
How does Wakonda compare to South Dakota average?
Wakonda has an average Home Safety Score of 67/100, which is below the South Dakota state average of 69/100 for the same model series.
How many water systems serve Wakonda?
Wakonda is served by 2 public water systems across 1 ZIP code, serving approximately 516 people.
How much does it cost to fix water issues in Wakonda?
Estimated remediation costs in Wakonda average $1,500 per household, ranging from $950 to $2,100. Costs include filtration, pipe replacement, radon mitigation, and flood protection.
HomeCitiesSouth Dakota → Wakonda, SD

How to cite this page

APA ZipCheckup. (2026). Wakonda, SD: High Radon Risk - Home Safety 67/100. https://zipcheckup.com/cities/sd/wakonda/
BibTeX
@misc{zipcheckup-cities-sd-wakonda,
  author = {{ZipCheckup}},
  title  = {{Wakonda, SD: High Radon Risk - Home Safety 67/100}},
  year   = {2026},
  url    = {https://zipcheckup.com/cities/sd/wakonda/}
}

Page version: August 2026.

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