COUNTY REPORT SD

Tripp County, South Dakota

4 ZIP codes · Avg score 60/100 · Grade C · Updated 2026-06-04

Tripp County: 4 ZIP codes, mid-range safety grade.

How Tripp County Compares

Tripp County60/100
South Dakota avg60/100
National avg68/100

How Tripp County Compares

C
County Grade
60/100
Avg Safety Score
4
ZIP Codes
3
Water Systems

Tripp County scores 0 points above the South Dakota state average (60/100) and 8 points below the national average (68/100).

Data: EPA SDWIS Last verified: 2026-06-04

C
County Grade
60
Avg Safety Score
4
ZIP Codes
Best ZIP: 57580 (83/100)
Lowest ZIP: 57528 (49/100)
$111K
Median Home Value
$1,600
Avg Remediation (144% of home value)

Key Risk Factors

Health risk index: 15.7 (asthma 10.8%, diabetes 15.3%)

Estimated additional annual cost per homeowner: $525, driven primarily by water_lead

Infrastructure: 0.388% avg pipe failure probability, 50% of ZIPs at high risk

71.3% of homes built before 1978 (lead paint era)

County Health Indicators vs National Average

Asthma 10.8% (national: 8.9%)
Diabetes 15.3% (national: 10.5%)
Obesity 37% (national: 32.4%)

Black markers indicate national averages. Source: CDC PLACES, Census ACS.

Infrastructure Overview

1971
Median Build Year
71.3%
Pre-1978 Housing
39%
Pipe Failure Probability
50%
ZIPs at High Infra Risk
High
Lead Pipe Risk

Sources: Census ACS (housing age), EPA SDWIS (infrastructure risk model), state bridge inspection data.

Compound Risk Breakdown

Estimated additional annual cost per homeowner: $525

Water / Lead $300/yr
Energy Code Gap $225/yr

Bar widths proportional to share of total annual risk cost. Source: compound risk model (FEMA, EPA, USGS).

Housing Age Distribution

2,727 housing units in Tripp County

Pre-1940 23%
1940–1959 19%
1960–1979 30%
1980–1999 19%
2000+ 10%

Source: U.S. Census Bureau ACS B25034 (Year Structure Built).

Water Safety Affordability

How much it costs to fix water issues relative to home values in Tripp County

$111K
Median Home Value
$1,600
Est. Remediation Cost
1.4%
of Home Value
Remediation as % of home value low burden

Remediation costs are relatively manageable for most homeowners in Tripp County, representing a small fraction of property value.

Remediation includes water filtration, lead abatement, radon mitigation, and flood protection where applicable. Source: Census ACS, EPA SDWIS.

Health Outcomes vs National Average

CDC PLACES data for Tripp County residents

Asthma 10.8% (US avg: 8.9%)
Diabetes 15.3% (US avg: 11%)
Obesity 37% (US avg: 32.4%)

Black markers = national averages. Red = above national avg. Green = below. Source: CDC PLACES, Census ACS.

Water Systems with Most Violations

Top 3 systems in Tripp County ranked by EPA violation count.

# Water System Population Violations
1 TRIPP COUNTY WATER USER DISTRICT 4,860 2
2 Colome 323 2
3 Winner 2,921 0

All ZIP Codes in Tripp County

4 ZIP codes tracked in Tripp County.

# ZIP Code City Safety Score Grade Violations Home Value
1 57580 Winner 83 B 0 $141K
2 57541 Ideal 53 D 0
3 57584 Witten 53 D 0
4 57528 Colome 49 D 2 (1 health) $82K

Recommended Buyer Guides for Tripp County

Below: editorial picks, no sponsored placements.

Overview

Tripp County in South Dakota covers 4 ZIP codes with an average Home Safety Score of C (60/100).

1 of 4 ZIP codes have recorded EPA violations. 1 health-based violation have been documented.

← Back to South Dakota water quality report

Data Sources

Updated daily.

Frequently Asked Questions

Is water safe in Tripp County?
Tripp County receives a grade of C. Some ZIP codes have recorded violations and residents in affected areas may want to test their water.
How many water systems serve Tripp County?
Tripp County is served by 3 public water systems that supply drinking water to residents across 4 ZIP codes.
What is the biggest environmental risk in Tripp County?
The primary environmental risk factor in Tripp County is water_lead. This contributes to an estimated additional annual cost of $525 per homeowner.
How old are homes in Tripp County?
The median home build year in Tripp County is 1971. 71.3% of homes were built before 1978, which means they may contain lead-based paint and older plumbing materials.
How does Tripp County compare to South Dakota?
Tripp County has an average water safety score of 60/100, which is above the South Dakota state average of 60/100.

Get safety alerts for Tripp, South Dakota

Free updates when EPA data changes for this area. No spam.

Unsubscribe anytime. Privacy Policy.

Share This Page

X Facebook
Check your water filter options Free tool — no phone call required.