COUNTY REPORT IA

Webster County, Iowa

15 ZIP codes · Avg score 56/100 · Grade C · Updated 2026-06-03

Across Webster County's 15 ZIP codes, water safety results are uneven — a portion of systems carry active or recent violations, while others meet standards without issues.

How Webster County Compares

Webster County56/100
Iowa avg59/100
National avg68/100

How Webster County Compares

C
County Grade
56/100
Avg Safety Score
15
ZIP Codes
17
Water Systems

Webster County scores 3 points below the Iowa state average (59/100) and 12 points below the national average (68/100).

Data: EPA SDWIS Last verified: 2026-06-03

C
County Grade
56
Avg Safety Score
15
ZIP Codes
Best ZIP: 50569 (70/100)
Lowest ZIP: 50501 (35/100)
$142K
Median Home Value
$1,680
Avg Remediation (118% of home value)

ZIP Code Risk Map

Water Quality Map: Webster County, Iowa

Each dot represents a ZIP code. Color indicates water quality grade. Tap a dot for details.

A B C D F

Key Risk Factors

Health risk index: 14 (asthma 10.1%, diabetes 11.9%)

Estimated additional annual cost per homeowner: $959, driven primarily by energy_code_gap

Infrastructure: 0.492% avg pipe failure probability, 93% of ZIPs at high risk

84% of homes built before 1978 (lead paint era)

Violation History (2022–2023)

→ Stable trend

EPA violation counts by year across Webster County water systems. Health-based shown in red, total in blue.

2022
3 (3 health)
2023
9 (9 health)

Peak year: 2023 with 9 violations. Past 5 years: 12 total (12 health-based).

Source: EPA SDWIS historical violations. Data may lag 6–12 months for the most recent year.

County Health Indicators vs National Average

Asthma 10.1% (national: 8.9%)
Diabetes 11.9% (national: 10.5%)
Obesity 40.8% (national: 32.4%)

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

Infrastructure Overview

1955
Median Build Year
84%
Pre-1978 Housing
49%
Pipe Failure Probability
93%
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: $959

Energy Code Gap $432/yr
Water / Lead $367/yr
Flood $160/yr

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

Housing Age Distribution

17,142 housing units in Webster County

Pre-1940 32%
1940–1959 23%
1960–1979 24%
1980–1999 11%
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 Webster County

$142K
Median Home Value
$1,680
Est. Remediation Cost
1.2%
of Home Value
Remediation as % of home value low burden

Remediation costs are relatively manageable for most homeowners in Webster 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 Webster County residents

Asthma 10.1% (US avg: 8.9%)
Diabetes 11.9% (US avg: 11%)
Obesity 40.8% (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 5 systems in Webster County ranked by EPA violation count.

# Water System Population Violations
1 Xenia Rwd (des Moines) 12,860 34
2 Lehigh Water Supply 395 31
3 Dayton Municipal Water Supply 772 28
4 Fort Dodge Water Supply 25,874 27
5 Becker Drive Road & Well, Llc 50 27

17 total water systems serve Webster County.

All ZIP Codes in Webster County

15 ZIP codes tracked in Webster County.

# ZIP Code City Safety Score Grade Violations Home Value
1 50569 Otho 70 B 0 $86K
2 50516 Badger 66 C 0 $128K
3 50523 Callender 66 C 0 $138K
4 50524 Clare 66 C 0 $200K
5 50544 Harcourt 66 C 0 $151K
6 50566 Moorland 66 C 0 $171K
7 50530 Dayton 60 C 1 $139K
8 50543 Gowrie 59 C 0 $117K
9 50532 Duncombe 55 C 0 $169K
10 50594 Vincent 54 D 2 $183K
11 50518 Barnum 50 D 0 $144K
12 50557 Lehigh 44 D 4 (4 health) $120K
13 50217 Paton 40 D 0 $151K
14 50521 Burnside 40 D 0
15 50501 Fort Dodge 35 F 27 (16 health) $140K

Recommended Buyer Guides for Webster County

Federal and certification sources drive the ordering: EPA monitoring data, NSF certifications, FEMA flood maps, and CDC lead guidance — guides surface only when county data warrants them.

Overview

Webster County in Iowa covers 15 ZIP codes with an average Home Safety Score of C (56/100).

4 of 15 ZIP codes have recorded EPA violations. 20 health-based violations have been documented.

← Back to Iowa water quality report

Data Sources

Updated daily.

Frequently Asked Questions

Is water safe in Webster County?
Webster 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 Webster County?
Webster County is served by 17 public water systems that supply drinking water to residents across 15 ZIP codes.
What is the biggest environmental risk in Webster County?
The primary environmental risk factor in Webster County is energy_code_gap. This contributes to an estimated additional annual cost of $959 per homeowner.
How old are homes in Webster County?
The median home build year in Webster County is 1955. 84% of homes were built before 1978, which means they may contain lead-based paint and older plumbing materials.
How does Webster County compare to Iowa?
Webster County has an average water safety score of 56/100, which is below the Iowa state average of 59/100.

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