COUNTY REPORT MO

Jasper County, Missouri

17 ZIP codes · Avg score 75/100 · Grade B · Updated 2026-06-03

Unlike many counties its size, Jasper County keeps violation rates low — all 17 ZIP codes score at or above the state average for tap water safety, with no systemic concerns flagged in the current data set.

How Jasper County Compares

Jasper County75/100
Missouri avg69/100
National avg68/100

How Jasper County Compares

B
County Grade
75/100
Avg Safety Score
17
ZIP Codes
21
Water Systems

Jasper County scores 6 points above the Missouri state average (69/100) and 7 points above the national average (68/100).

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

B
County Grade
75
Avg Safety Score
17
ZIP Codes
Best ZIP: 64755 (83/100)
Lowest ZIP: 64859 (53/100)
$138K
Median Home Value
$1,335
Avg Remediation (97% of home value)

ZIP Code Risk Map

Water Quality Map: Jasper County, Missouri

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: 14.5 (asthma 10.8%, diabetes 12.8%)

Estimated additional annual cost per homeowner: $595, driven primarily by flood

Infrastructure: 0.331% avg pipe failure probability, 29% of ZIPs at high risk

54.9% of homes built before 1978 (lead paint era)

Violation History (2022–2023)

→ Stable trend

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

2022
1 (1 health)
2023
4 (4 health)

Peak year: 2023 with 4 violations. Past 5 years: 5 total (5 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 10.8% (national: 8.9%)
Diabetes 12.8% (national: 10.5%)
Obesity 40% (national: 32.4%)

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

Infrastructure Overview

1979
Median Build Year
54.9%
Pre-1978 Housing
33%
Pipe Failure Probability
29%
ZIPs at High Infra Risk
Low
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: $595

Flood $365/yr
Energy Code Gap $122/yr
Water / Lead $109/yr

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

Housing Age Distribution

44,583 housing units in Jasper County

Pre-1940 14%
1940–1959 13%
1960–1979 21%
1980–1999 26%
2000+ 26%

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 Jasper County

$138K
Median Home Value
$1,335
Est. Remediation Cost
1.0%
of Home Value
Remediation as % of home value low burden

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

Asthma 10.8% (US avg: 8.9%)
Diabetes 12.8% (US avg: 11%)
Obesity 40% (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 Jasper County ranked by EPA violation count.

# Water System Population Violations
1 Jasper County Pwsd 3 1,900 39
2 Mo American Joplin 73,728 36
3 Duenweg Public Water System 1,469 22
4 Barton Dade Cedar Jasp Countycons Pwsd 1 9,523 20
5 Jasper County Pwsd 2 3,383 20

21 total water systems serve Jasper County.

All ZIP Codes in Jasper County

17 ZIP codes tracked in Jasper County.

# ZIP Code City Safety Score Grade Violations Home Value
1 64755 Jasper 83 B 0 $160K
2 64832 Asbury 83 B 1 $175K
3 64855 Oronogo 83 B 1 $177K
4 64857 Purcell 83 B 1 $82K
5 64835 Carterville 82 B 2 $95K
6 64841 Duenweg 82 B 2 $117K
7 64862 Sarcoxie 82 B 4 (1 health) $118K
8 64802 Joplin 81 B 6 (2 health)
9 64803 Joplin 81 B 6 (2 health)
10 64830 Alba 81 B 1 $87K
11 64834 Carl Junction 77 B 2 $200K
12 64836 Carthage 77 B 14 (1 health) $158K
13 64870 Webb City 77 B 2 $166K
14 64801 Joplin 71 B 6 (2 health) $176K
15 64833 Avilla 53 D 0
16 64849 Neck City 53 D 0 $94K
17 64859 Reeds 53 D 0 $84K

Recommended Buyer Guides for Jasper County

Editorial methodology pairs each documented risk in this county with the buyer category that addresses it, drawing on water-quality detections, housing-stock lead exposure, EPA Radon Zone designation, and FEMA flood and wildfire ratings. NSF-certified options surface where applicable, and products that match the specific contaminant take priority.

Overview

Jasper County in Missouri covers 17 ZIP codes with an average Home Safety Score of B (75/100).

13 of 17 ZIP codes have recorded EPA violations. 8 health-based violations have been documented.

← Back to Missouri water quality report

Data Sources

Updated daily.

Frequently Asked Questions

Is water safe in Jasper County?
Jasper County receives a grade of B, indicating generally safe tap water across its 17 ZIP codes.
How many water systems serve Jasper County?
Jasper County is served by 21 public water systems that supply drinking water to residents across 17 ZIP codes.
What is the biggest environmental risk in Jasper County?
The primary environmental risk factor in Jasper County is flood. This contributes to an estimated additional annual cost of $595 per homeowner.
How old are homes in Jasper County?
The median home build year in Jasper County is 1979. 54.9% of homes were built before 1978, which means they may contain lead-based paint and older plumbing materials.
How does Jasper County compare to Missouri?
Jasper County has an average water safety score of 75/100, which is above the Missouri state average of 69/100.

Get safety alerts for Jasper, Missouri

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.