WaterVerge

Is Jamesport, MO Tap Water Safe to Drink?

Graded A with no contaminants above EPA limits. Here's everything we tested and how Jamesport ranks. What to do next ↓

567 residents served 1 water system PWSID: MO1010406
Overall Score
90.7 / 100
Violations
None active
Last Updated
May 2026
Source
Purchased ground water
#72 of 509 in Missouri Top 14% nationally
Local Government
Moderate data confidence
Reviewed by WaterVerge Editorial Team · Last updated May 2026
AGRADE
Water Quality Grade
90.7/100
waterverge.com
A 90.7/100

Jamesport, MO — Water Quality Report

Jamesport's drinking water received a grade of A (90.7 out of 100), indicating excellent water quality. The city's 1 water system serves approximately 567 residents using purchased ground water.

Lead levels were measured at 4.3 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 13 health-based violations. All violations have been resolved.

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

What to know about Jamesport's water

Jamesport ranks #72 out of 509 cities in Missouri for water quality, placing it above average in the state.

Jamesport purchases its water from a regional wholesaler, meaning quality depends on both the supplier's treatment and the local distribution system's condition.

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

Quality Breakdown

Water quality score

See methodology →
90.7 out of 100 Grade A
A: 90-100
B: 74-89
C: 60-73
F: <50
How is this calculated?
Violations
40.7/45
A
Historical violation record including health-based and monitoring violations.
Lead & Copper
18/20
A
Lead at 4.3 ppb (90th percentile).
Contaminants
17/20
B
PFAS + legacy contaminant analysis.
Compliance
10/10
A
Monitoring and reporting compliance with EPA regulations.
Source Risk
5/5
A
Water source: Purchased ground water.
Water Safety

Is Jamesport, MO water safe to drink?

Generally Safe

Based on EPA testing data, Jamesport's tap water is generally safe to drink. The water system earned a grade of A (90.7/100), meeting federal drinking water standards across key contaminant categories. The city's 1 water system serves approximately 567 residents using groundwater (wells).

2
Violations (5yr)
4.3 ppb
Lead (90th %ile)
4 events
Disaster History

Recent water quality updates for Jamesport

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

Update
Water quality data updated

Latest EPA compliance and testing data incorporated into Jamesport's water quality assessment. Grade: A (90.7/100).

Violation
1 drinking water violation recorded

Contaminants: Revised Total Coliform Rule.

Violation
1 drinking water violation recorded

Contaminants: Revised Total Coliform Rule.

Violation
1 drinking water violation recorded

Contaminants: Coliform (TCR).

Disaster
HURRICANE KATRINA EVACUATION

Federal disaster declaration (FEMA DR-3232). Hurricane event — may have impacted local water infrastructure.

Disaster
SEVERE STORMS & FLOODING

Federal disaster declaration (FEMA DR-995). Flood event — may have impacted local water infrastructure.

Key contaminant findings

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

Lead Within Limits
Detected: 4.3 ppb Limit: 15 ppb (EPA Action Level)

Well within EPA limits.

Violation history

Jamesport's water system has 22 total violations on record, including 13 health-based violations. All violations have been resolved. 2 violations were issued in the last 5 years.

MONMRMCL
Most recent violations:
Dec 2025 Revised Total Coliform Rule Resolved
May 2025 Revised Total Coliform Rule Resolved
Oct 2013 Coliform (TCR) Resolved
Oct 2011 Coliform (TCR) Resolved
Sep 2011 Coliform (TCR) Resolved

Flood & environmental risk

Daviess County has experienced 4 federally declared disasters since 1965. 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 Grand River Near Gallatin.

HURRICANE KATRINA EVACUATION
Hurricane FEMA DR-3232
SEVERE STORMS & FLOODING
Flood FEMA DR-995
SEVERE STORMS & FLOODING
Flood FEMA DR-407

Where does Jamesport's water come from?

Jamesport's drinking water comes from groundwater (wells), supplied by 1 water system serving approximately 567 people. Groundwater is generally less susceptible to surface contamination but can contain naturally occurring contaminants like arsenic, radon, and nitrate. Nearby water bodies include Grand River Near Gallatin (river).

What Jamesport residents can do

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.

Flush your taps

Run cold water for 30 seconds before drinking, especially in the morning. Lead and copper leach from household plumbing when water sits in pipes.

Monitor alerts during storms

Jamesport'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
4.3 ppb
EPA Action Level: 15 ppb · 29% of limit
Safe Level
Compliance Record

Violation summary

22
Total violations
13
Health-based
0
Active / unresolved
Dec 2025
Most recent violation
Compliance Record

Violations & advisories

22 Total
0 Active
13 Health-based
22 Resolved
Violations by category
Stage 1 Disinfectants and Disinfection Byproducts Rule
8
Synthetic Organic Chemicals
5
Total Coliform Rule
3
Revised Total Coliform Rule
2
Inorganic Chemicals
2
Dec 2025 Resolved
Revised Total Coliform Rule
Monitoring
Monitoring Resolved Dec 2025
May 2025 Resolved
Revised Total Coliform Rule
Monitoring
Monitoring Resolved May 2025
Oct 2013 Resolved
Coliform (TCR)
Monitoring & Reporting
Monitoring & Reporting Resolved Oct 2013
Oct 2011 Resolved
Coliform (TCR)
Monitoring & Reporting
Monitoring & Reporting Resolved Oct 2011
Sep 2011 Resolved
Coliform (TCR)
Monitoring & Reporting
Monitoring & Reporting Resolved Sep 2011
Mar 2008 Resolved
Interim Enhanced Surface Water Treatment Rule
Monitoring & Reporting
Monitoring & Reporting Resolved Mar 2008
Apr 2005 Resolved
Total Haloacetic Acids (HAA5)
Max Contaminant Level
Health-Based Health Resolved Jun 2005
Apr 2005 Resolved
TTHM
Max Contaminant Level
Health-Based Health Resolved Jun 2005
Jan 2005 Resolved
TTHM
Max Contaminant Level
Health-Based Health Resolved Mar 2005
Jan 2005 Resolved
Total Haloacetic Acids (HAA5)
Max Contaminant Level
Health-Based Health Resolved Mar 2005
Oct 2004 Resolved
TTHM
Max Contaminant Level
Health-Based Health Resolved Dec 2004
Oct 2004 Resolved
Total Haloacetic Acids (HAA5)
Max Contaminant Level
Health-Based Health Resolved Dec 2004
Jul 2004 Resolved
Total Haloacetic Acids (HAA5)
Max Contaminant Level
Health-Based Health Resolved Sep 2004
Jul 2004 Resolved
TTHM
Max Contaminant Level
Health-Based Health Resolved Sep 2004
Jan 1999 Resolved
Atrazine
Max Contaminant Level
Health-Based Health Resolved Mar 1999
Oct 1998 Resolved
Atrazine
Max Contaminant Level
Health-Based Health Resolved Dec 1998
Jul 1998 Resolved
Atrazine
Max Contaminant Level
Health-Based Health Resolved Sep 1998
Apr 1998 Resolved
Atrazine
Max Contaminant Level
Health-Based Health Resolved Jun 1998
Jan 1994 Resolved
Atrazine
Max Contaminant Level
Health-Based Health Resolved Dec 1994
Sep 1980 Resolved
Nitrate
Monitoring & Reporting
Monitoring & Reporting Resolved Sep 1981
Showing 20 of 22 violations
Industrial pollution

Top industrial polluters within 10 miles of Jamesport

Industrial polluters nearby

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

FacilityTop chemicalTo surface water (lbs/yr)Distance
LANDMARK MANUFACTURING CORP
Transportation Equipment · NA
GALLATIN, MO64640
6.8 mi

Source: EPA Toxic Release Inventory (TRI) 2023

Environmental Risk

Flood & disaster history

4
Declared disasters
Sep 2005
Most recent
Flood
Most common type

Daviess County has experienced 4 federally declared disasters since 1965. Flooding and severe weather can compromise water treatment infrastructure and introduce contaminants into drinking water supplies.

Sep 2005
HURRICANE KATRINA EVACUATION
Hurricane FEMA #3232
Jul 1993
SEVERE STORMS & FLOODING
Flood FEMA #995
Nov 1973
SEVERE STORMS & FLOODING
Flood FEMA #407
Jul 1965
SEVERE STORMS & FLOODING
Flood FEMA #203

Full contaminants report

Contaminant Detected Level EPA Limit Unit Category Status
Lead (90th percentile) 4.3 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 increased by 4.3 ppb from 1993 (0.0 ppb) to 2025 (4.3 ppb).
Infrastructure

Water source & infrastructure

Primary Source
Purchased Groundwater
Operator
Local Government
Population Served
567
Water Systems
1
Water Source

Where Jamesport's water comes from

Purchased Groundwater

Jamesport purchases its water supply from a regional wholesale provider rather than treating raw water directly.

Water quality depends on both the wholesaler's treatment standards and the condition of Jamesport's local distribution pipes and storage facilities.

Purchased water systems are common in suburban areas and smaller communities that lack the infrastructure for independent treatment.

The system is operated by local government ownership and serves approximately 567 people through 1 water system.

Local Hydrology

Water bodies near Jamesport

Jamesport is located near 1 notable water body. These water bodies contribute to the regional watershed and may indirectly affect groundwater quality.

Grand River Near Gallatin
river
Infrastructure

Water systems serving Jamesport

System Name PWSID Population Source
JAMESPORT PWS MO1010406 567 GWP
Regional Comparison

How Jamesport compares

Full Missouri rankings →

Jamesport's score of 90.7/100 is above the average of 62/100 among major Missouri cities. It outscores 10 of 10 nearby cities.

Jamesport (this city)
90.7
St. Louis
40.9
Columbia
61.4
Missouri avg
62
City Profile

About Jamesport, MO

Wikipedia →

Jamesport is a city in eastern Daviess County, Missouri, United States. The population was 559 at the 2020 census.

Economic Profile
$48,125
Median Income
$87,212
Median Home Value
$600/mo
Median Rent
2%
Unemployment
Community
43.2
Median Age
430
People / sq mi
5.5%
College Educated
72.4%
Homeownership
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Frequently asked questions

Is Jamesport, MO tap water safe to drink?

Jamesport's water quality earned a grade of A (90.7/100). The water generally meets EPA standards and is considered safe for consumption. The city ranks #72 out of 509 cities tested in Missouri.

What contaminants are in Jamesport's water?

Lead was measured at 4.3 ppb (90th percentile). 22 violations are on record.

How is Jamesport'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 Jamesport?

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

Where does Jamesport's water come from?

Jamesport's water is sourced from Purchased ground water. The city has 1 water system serving approximately 567 residents.

What health violations has Jamesport's water system had?

Jamesport has 13 health-based violations on record. The most recent violation was recorded in December 2025. Health-based violations mean the water exceeded EPA maximum contaminant levels (MCLs) for a regulated substance. All health violations have been resolved.

Is Jamesport's groundwater at risk of contamination?

Jamesport 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 Jamesport's water compare to other cities?

Jamesport ranks #72 out of 509 cities in Missouri (better than 86% of state cities) and #2108 out of 15744 cities nationally (87th percentile). The grade of A reflects the combined assessment of violation history, lead and copper levels, PFAS contamination, and regulatory compliance.

Does Jamesport's small water system affect quality?

Jamesport's system serves approximately 567 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.