WaterVerge

Is Jasper, MO Tap Water Safe to Drink?

Graded A, with 3 unresolved violations on record. See what was cited — and what it means for your tap. What to do next ↓

932 residents served 1 water system PWSID: MO5010408
Overall Score
93.2 / 100
Violations
3 active
Last Updated
May 2026
Source
Groundwater
#31 of 509 in Missouri Top 6% nationally
Local Government
Moderate data confidence
Reviewed by WaterVerge Editorial Team · Last updated May 2026
AGRADE
Water Quality Grade
93.2/100
waterverge.com
A 93.2/100

Jasper, MO — Water Quality Report

Jasper's drinking water received a grade of A (93.2 out of 100), indicating excellent water quality. The city's 1 water system serves approximately 932 residents using groundwater.

Lead levels were measured at 2.1 ppb (90th percentile), well within EPA limits. This system has not yet been tested for PFAS under the EPA UCMR 5 program.

The system has 22 violations on record, including 4 health-based violations. 3 remain unresolved.

Data last updated: May 2026 · Source: EPA SDWIS, UCMR 5
Analysis

What to know about Jasper's water

Jasper ranks #31 out of 509 cities in Missouri for water quality, placing it one of the best in the state.

Jasper relies on groundwater, which is generally less vulnerable to surface contamination but can be affected by naturally occurring minerals like arsenic and nitrate, as well as agricultural and industrial runoff.

As a small community water system, Jasper may have fewer resources for advanced treatment technologies and infrastructure upgrades compared to larger utilities.

Quality Breakdown

Water quality score

See methodology →
93.2 out of 100 Grade A
A: 90-100
B: 74-89
C: 60-73
F: <50
How is this calculated?
Violations
43.2/45
A
Historical violation record including health-based and monitoring violations.
Lead & Copper
20/20
A
Lead at 2.1 ppb (90th percentile).
Contaminants
17/20
B
PFAS + legacy contaminant analysis.
Compliance
8/10
B
Monitoring and reporting compliance with EPA regulations.
Source Risk
5/5
A
Water source: Groundwater.
Water Safety

Is Jasper, MO water safe to drink?

Concerns Identified

Jasper's drinking water has significant quality concerns based on EPA testing data. With a grade of A (93.2/100), the system has issues across multiple categories. A water filter is recommended for all residents. The city's 1 water system serves approximately 932 residents using groundwater (wells).

3
Active Violations
2.1 ppb
Lead (90th %ile)
6 events
Disaster History

Recent water quality updates for Jasper

A timeline of significant water quality events, violations, and data updates.

Update
Water quality data updated

Latest EPA compliance and testing data incorporated into Jasper's water quality assessment. Grade: A (93.2/100).

Disaster
SEVERE STORMS, TORNADOES, STRAIGHT-LINE WINDS AND FLOODING

Federal disaster declaration (FEMA DR-4317). Flood event — may have impacted local water infrastructure.

Disaster
SEVERE STORMS, TORNADOES, STRAIGHT-LINE WINDS, AND FLOODING

Federal disaster declaration (FEMA DR-4250). Flood event — may have impacted local water infrastructure.

Violation
1 drinking water violation recorded

Contaminants: Lead and Copper Rule.

Violation
1 drinking water violation recorded

Contaminants: Consumer Confidence Rule.

Violation
1 drinking water violation recorded

Contaminants: Coliform (TCR).

Key contaminant findings

Based on the most recent EPA sampling data for Jasper's water supply.

Lead Within Limits
Detected: 2.1 ppb Limit: 15 ppb (EPA Action Level)

Well within EPA limits.

Violation history

Jasper's water system has 22 total violations on record, including 4 health-based violations. 3 remain unresolved.

MROtherMCL
Most recent violations:
Apr 2011 Lead and Copper Rule Open
Jul 2002 Consumer Confidence Rule Open
Dec 1994 Coliform (TCR) Resolved
Jan 1994 Arsenic Resolved
Jan 1994 Beryllium, Total Resolved

Flood & environmental risk

Jasper County has experienced 6 federally declared disasters since 1976. Flooding and severe storms can overwhelm water treatment plants, cause sewage overflows, and introduce agricultural runoff, bacteria, and sediment into drinking water supplies. Local water sources include Spring River At Carthage, North Fork Spring River Near Purcell.

SEVERE STORMS, TORNADOES, STRAIGHT-LINE WINDS AND FLOODING
Flood FEMA DR-4317
SEVERE STORMS, TORNADOES, STRAIGHT-LINE WINDS, AND FLOODING
Flood FEMA DR-4250
SEVERE STORMS, TORNADOES, STRAIGHT-LINE WINDS, AND FLOODING
Flood FEMA DR-3374

Where does Jasper's water come from?

Jasper's drinking water comes from groundwater (wells), supplied by 1 water system serving approximately 932 people. Groundwater is generally less susceptible to surface contamination but can contain naturally occurring contaminants like arsenic, radon, and nitrate. Nearby water bodies include Spring River At Carthage (river), North Fork Spring River Near Purcell (river).

What Jasper residents can do

Install a water filter

Recommended: NSF-certified water filter. This addresses the specific contaminants found in Jasper's water.

Request your utility's CCR

Your water utility is required to publish an annual Consumer Confidence Report (CCR) with detailed testing results. Ask for the latest copy or check your utility's website.

Monitor alerts during storms

Jasper's area has a history of flooding. After severe weather, watch for boil water advisories from your local utility.

Data: EPA SDWIS, UCMR 5 (PFAS), FEMA, NOAA. Last updated May 2026.

Contaminant Alerts

Top contaminants to know

View all ↓
Lead (90th percentile)
Inorganic / Heavy Metal
Safe
2.1 ppb
EPA Action Level: 15 ppb · 14% of limit
Safe Level
Compliance Record

Violation summary

22
Total violations
4
Health-based
3
Active / unresolved
Apr 2011
Most recent violation
Compliance Record

Violations & advisories

22 Total
3 Active
4 Health-based
19 Resolved
Violations by category
Inorganic Chemicals
11
Total Coliform Rule
6
Lead and Copper Rule
1
Consumer Confidence Rule
1
Arsenic Rule
1
Apr 2011 Active
Lead and Copper Rule
Monitoring & Reporting
Monitoring & Reporting 0
Jul 2002 Active
Consumer Confidence Rule
Other Violation 0
Active
Compliance Violation
Monitoring 0
Dec 1994 Resolved
Coliform (TCR)
Monitoring & Reporting
Monitoring & Reporting Resolved Dec 1994
Jan 1994 Resolved
Arsenic
Monitoring & Reporting
Monitoring & Reporting Resolved Dec 1994
Jan 1994 Resolved
Beryllium, Total
Monitoring & Reporting
Monitoring & Reporting Resolved Dec 1994
Jan 1994 Resolved
Chromium
Monitoring & Reporting
Monitoring & Reporting Resolved Dec 1994
Jan 1994 Resolved
CYANIDE
Monitoring & Reporting
Monitoring & Reporting Resolved Dec 1994
Jan 1994 Resolved
Mercury
Monitoring & Reporting
Monitoring & Reporting Resolved Dec 1994
Jan 1994 Resolved
Nickel
Monitoring & Reporting
Monitoring & Reporting Resolved Dec 1994
Jan 1994 Resolved
Selenium
Monitoring & Reporting
Monitoring & Reporting Resolved Dec 1994
Jan 1994 Resolved
Thallium, Total
Monitoring & Reporting
Monitoring & Reporting Resolved Dec 1994
Jan 1994 Resolved
Cadmium
Monitoring & Reporting
Monitoring & Reporting Resolved Dec 1994
Jan 1994 Resolved
Nitrate-Nitrite
Monitoring & Reporting
Monitoring & Reporting Resolved Dec 1994
Jan 1994 Resolved
Antimony, Total
Monitoring & Reporting
Monitoring & Reporting Resolved Dec 1994
Jan 1994 Resolved
Barium
Monitoring & Reporting
Monitoring & Reporting Resolved Dec 1994
Jan 1994 Resolved
Fluoride
Monitoring & Reporting
Monitoring & Reporting Resolved Dec 1994
Aug 1992 Resolved
Coliform (TCR)
Monitoring & Reporting
Monitoring & Reporting Resolved Aug 1992
Jan 1992 Resolved
Coliform (TCR)
Max Contaminant Level
Health-Based Health Resolved Jan 1992
Nov 1991 Resolved
Coliform (TCR)
Max Contaminant Level
Health-Based Health Resolved Dec 1991
Showing 20 of 22 violations
Industrial pollution

Top industrial polluters within 10 miles of Jasper

Industrial polluters nearby

Reported releases to surface water by facilities near Jasper, ranked by pounds discharged annually.

FacilityTop chemicalTo surface water (lbs/yr)Distance
BLEVINS ASPHALT CONSTRUCTION CO INC
Petroleum · BLEVINS ASPHALT CONSTRUCTION CO INC
CARTHAGE, MO64836
9.2 mi

Source: EPA Toxic Release Inventory (TRI) 2023

Environmental Risk

Flood & disaster history

6
Declared disasters
Jun 2017
Most recent
Flood
Most common type

Jasper County has experienced 6 federally declared disasters since 1976. Flooding and severe weather can compromise water treatment infrastructure and introduce contaminants into drinking water supplies.

Jun 2017
SEVERE STORMS, TORNADOES, STRAIGHT-LINE WINDS AND FLOODING
Flood FEMA #4317
Jan 2016
SEVERE STORMS, TORNADOES, STRAIGHT-LINE WINDS, AND FLOODING
Flood FEMA #4250
Jan 2016
SEVERE STORMS, TORNADOES, STRAIGHT-LINE WINDS, AND FLOODING
Flood FEMA #3374
Sep 2005
HURRICANE KATRINA EVACUATION
Hurricane FEMA #3232
Jul 1993
SEVERE STORMS & FLOODING
Flood FEMA #995
Jul 1976
SEVERE STORMS & FLOODING
Flood FEMA #516

Full contaminants report

Contaminant Detected Level EPA Limit Unit Category Status
Lead (90th percentile) 2.1 15 ppb Inorganic Safe
Data source: EPA SDWIS, UCMR 5, local utility CCR.

Lead level trend (90th percentile)

EPA action level: 15 ppb
Lead has decreased by 3.9 ppb from 1993 (6.0 ppb) to 2025 (2.1 ppb).
Infrastructure

Water source & infrastructure

Primary Source
Groundwater
Operator
Local Government
Population Served
932
Water Systems
1
Water Source

Where Jasper's water comes from

Groundwater

Jasper's drinking water is drawn from underground aquifers through wells.

Groundwater is naturally filtered through rock and soil layers, generally requiring less treatment than surface water. However, it can contain naturally occurring contaminants like arsenic, radon, and minerals.

Agricultural activity, septic systems, and industrial operations near well fields can introduce nitrates, pesticides, and volatile organic compounds.

The system is operated by local government ownership and serves approximately 932 people through 1 water system.

Local Hydrology

Water bodies near Jasper

Jasper is located near 2 notable water bodies. These water bodies contribute to the regional watershed and may indirectly affect groundwater quality.

Spring River At Carthage
river
North Fork Spring River Near Purcell
river
Infrastructure

Water systems serving Jasper

System Name PWSID Population Source
JASPER PWS MO5010408 932 GW
Regional Comparison

How Jasper compares

Full Missouri rankings →

Jasper's score of 93.2/100 is above the average of 62/100 among major Missouri cities. It outscores 10 of 10 nearby cities.

Jasper (this city)
93.2
St. Louis
40.9
Columbia
61.4
Missouri avg
62
City Profile

About Jasper, MO

Economic Profile
$48,125
Median Income
$100,518
Median Home Value
$630/mo
Median Rent
4.5%
Unemployment
Community
38.5
Median Age
290
People / sq mi
16.9%
College Educated
74.5%
Homeownership
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Frequently asked questions

Is Jasper, MO tap water safe to drink?

Jasper's water quality earned a grade of A (93.2/100). The water generally meets EPA standards and is considered safe for consumption. The city ranks #31 out of 509 cities tested in Missouri.

What contaminants are in Jasper's water?

Lead was measured at 2.1 ppb (90th percentile). 22 violations are on record.

How is Jasper's water quality grade calculated?

The grade is based on four factors: violation history (40%), lead and copper levels (25%), PFAS contamination (25%), and regulatory compliance (10%). The score is also adjusted based on how complete the available data is. See our methodology page for full details.

Do I need a water filter in Jasper?

Based on current data, basic filtration should suffice for additional peace of mind.

Where does Jasper's water come from?

Jasper's water is sourced from Groundwater. The city has 1 water system serving approximately 932 residents.

What health violations has Jasper's water system had?

Jasper has 4 health-based violations on record. The most recent violation was recorded in April 2011. Health-based violations mean the water exceeded EPA maximum contaminant levels (MCLs) for a regulated substance. 3 violations remain unresolved.

Is Jasper's groundwater at risk of contamination?

Jasper uses groundwater, which can be affected by naturally occurring contaminants like arsenic, radon, and nitrate, as well as agricultural runoff and industrial activity. The system has 22 violations on record that may relate to groundwater quality. Groundwater systems are generally less susceptible to surface contamination but should be monitored for emerging contaminants like PFAS.

How does Jasper's water compare to other cities?

Jasper ranks #31 out of 509 cities in Missouri (better than 94% of state cities) and #946 out of 15744 cities nationally (94th percentile). The grade of A reflects the combined assessment of violation history, lead and copper levels, PFAS contamination, and regulatory compliance.

Does Jasper's small water system affect quality?

Jasper's system serves approximately 932 residents. Small community water systems (under 3,300 people) may have fewer financial resources for infrastructure upgrades and advanced treatment technologies. However, they are held to the same EPA drinking water standards as larger systems. This system has 22 violations on record.