CITY REPORT SD

Fairfax, SD Home Safety: Home Safety Score unavailable

1 ZIP code · 1 water system · Updated

Data: EPA SDWIS

1
ZIP Codes
1
Water Systems
0
ZIPs with Violations
Zone 2
Radon Risk (Moderate)
$121K
Median Home Value
$400
Est. Remediation (0.3% of home value)

Fairfax Water: The Quick Version

  • Average lead level: 0.002 mg/L.
  • Homes built before 1986: 66% - older plumbing may contain lead solder.
  • Estimated remediation: $400 per household.
  • CDC health risk index: 14.84 - above typical levels.

Water Systems Serving Fairfax

In Fairfax, SD, the drinking water supply is organized under a single dominant utility - a consolidated structure that shapes how infrastructure investment, regulatory compliance, and rate decisions flow to households. When one provider handles the overwhelming share of residential connections out of 1 tracked system, accountability is clear: service upgrades, EPA violation responses, and tariff changes all funnel through that single organizational structure.

Overview

We track home safety data for 1 ZIP code in Fairfax, South Dakota (population ~313), covering 1 community water system serving approximately 4,860 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.

Water Sources

Fairfax water systems draw from: Groundwater.

Lead & Copper

  • Average lead level (90th percentile): 0.0020 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 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
57335 Tripp County Water User District 4,860

All ZIP Codes in Fairfax

Data Sources

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

CDC Health Data for Fairfax

10.2%
Asthma (US: 9.8%)
14.1%
Diabetes (US: 10.4%)
14.8%
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 10.2% ↑
Diabetes 14.1% ↑
Mental Health 14.8% ↓

Vertical line = national average. Above national · Below national

How Old Is Fairfax's Housing Stock?

1976
Median Build Year
66%
Built Before 1986
41%
Built Before 1970
Copper
Likely Pipe Material

With 66% 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

Reading the housing age data for Fairfax - median build year 1976 - the overriding implication is that the plumbing materials inside a typical home here reflect pre-1986 construction standards. In practical terms, that means lead-soldered copper joints are common across much of the housing stock. Where those materials are present, water can leach lead as it moves through joints - a pathway that corrosion control treatment under federal rules is designed to reduce, though it cannot eliminate lead risk where the plumbing materials themselves contain lead.

1976
Median Year Built
66%
Pre-1986 (Lead Paint Risk)
41%
Pre-1970 (Lead Pipes Risk)
Pre-1970 (41%) 1970–1986 (25%) Post-1986 (34%)

Over half of homes in Fairfax 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.

Fairfax: Remediation Cost in Perspective

Setting Fairfax remediation figures against its property market, the resulting ratio sits comfortably in the low tier - a classification that reflects the kind of household financial position where most homeowners can identify documented issues, schedule the work, and absorb the cost without it registering as a significant budget disruption.

Median Home Value
$121,300
Est. Remediation
$400
Remediation as % of home value 0.3%

Remediation costs in Fairfax are relatively low compared to home values. The $0–$800 estimated range is a small fraction of median property value. Home values are 31% below the South Dakota average.

Protecting Children from Lead in Fairfax

66%
Homes Built Before 1986
0.002
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.

66% of Fairfax housing dates to the pre-rule era, alongside aggregate readings hovering at the federal action mark - household-level confirmation through a draw-test kit fits the local picture.

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

Frequently Asked Questions

Does Fairfax water have lead?
The average 90th-percentile lead level in Fairfax is 0.002 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 many water systems serve Fairfax?
Fairfax is served by 1 public water system across 1 ZIP code, serving approximately 313 people.
How much does it cost to fix water issues in Fairfax?
Estimated remediation costs in Fairfax average $400 per household, ranging from $0 to $800. Costs include filtration, pipe replacement, radon mitigation, and flood protection.
HomeCitiesSouth Dakota → Fairfax, SD

How to cite this page

APA ZipCheckup. (2026). Fairfax, SD Home Safety: Home Safety Score unavailable. https://zipcheckup.com/cities/sd/fairfax/
BibTeX
@misc{zipcheckup-cities-sd-fairfax,
  author = {{ZipCheckup}},
  title  = {{Fairfax, SD Home Safety: Home Safety Score unavailable}},
  year   = {2026},
  url    = {https://zipcheckup.com/cities/sd/fairfax/}
}

Page version: August 2026.

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