Is Jameson, MO Tap Water Safe to Drink?
Graded A- — but Copper was detected above EPA limits. Here's what's in the water and how to remove it. What to do next ↓
85.9/100
Jameson, MO — Water Quality Report
Jameson's drinking water received a grade of A- (85.9 out of 100), indicating good water quality. The city's 2 water systems serve approximately 2,569 residents using purchased ground water.
Lead levels were measured at 1.7 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 10 violations on record, including 3 health-based violations. 4 remain unresolved.
What to know about Jameson's water
Jameson ranks #200 out of 509 cities in Missouri for water quality, placing it mid-range in the state.
Jameson 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, Jameson may have fewer resources for advanced treatment technologies and infrastructure upgrades compared to larger utilities.
Water quality score
See methodology →Is Jameson, MO water safe to drink?
Jameson's drinking water has significant quality concerns based on EPA testing data. With a grade of A- (85.9/100), the system has issues across multiple categories. A water filter is recommended for all residents. The city's 2 water systems serve approximately 2,569 residents using groundwater (wells).
Recent water quality updates for Jameson
A timeline of significant water quality events, violations, and data updates.
Latest EPA compliance and testing data incorporated into Jameson's water quality assessment. Grade: A- (85.9/100).
1 health-based. Contaminants: TTHM.
1 health-based. Contaminants: TTHM.
1 health-based. Contaminants: Long Term 2 Enhanced Surface Water Treatment Rule.
Federal disaster declaration (FEMA DR-3232). Hurricane event — may have impacted local water infrastructure.
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 Jameson's water supply.
Well within EPA limits.
Exceeds EPA action level. Copper can leach from household plumbing — flush taps for 30 seconds before drinking.
Violation history
Jameson's water system has 10 total violations on record, including 3 health-based violations. 4 remain unresolved.
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.
Where does Jameson's water come from?
Jameson's drinking water comes from groundwater (wells), supplied by 2 water systems serving approximately 2,569 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 Jameson residents can do
Recommended: NSF-certified water filter. This addresses the specific contaminants found in Jameson's water.
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.
Jameson'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.
Top contaminants to know
View all ↓Violation summary
Violations & advisories
Top industrial polluters within 10 miles of Jameson
Industrial polluters nearby
Reported releases to surface water by facilities near Jameson, ranked by pounds discharged annually.
| Facility | Top chemical | To surface water (lbs/yr) | Distance |
|---|---|---|---|
LANDMARK MANUFACTURING CORP GALLATIN, MO64640 | — | — | 9.6 mi |
MURPHY BROWN OF MISSOURI LLC-COFFEY FEEDMILL PATTONSBURG, MO64670 | — | — | 8.5 mi |
Source: EPA Toxic Release Inventory (TRI) 2023
Flood & disaster history
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.
Recommended water filters
Based on contaminants detected in Jameson's water supply, we recommend the following filter types.
Full contaminants report
| Contaminant | Detected Level | EPA Limit | Unit | Category | Status |
|---|---|---|---|---|---|
| Lead (90th percentile) LeadHeavy Metal A toxic heavy metal that can leach into drinking water from older pipes, solder, and fixtures. No amount of lead in water is considered safe. Health EffectsBrain and nervous system damage in children, kidney damage, high blood pressure, and reproductive problems in adults. EPA Limit15 ppb action level Common SourcesCorrosion of lead pipes, lead solder, brass faucets, and household plumbing. | 1.7 | 15 | ppb | Inorganic | Safe |
| Copper (90th percentile) CopperInorganic A metal that enters drinking water mainly through corrosion of copper plumbing. Small amounts are essential for health, but excess levels are harmful. Health EffectsGastrointestinal distress (nausea, vomiting, diarrhea) at short-term high levels; liver and kidney damage from long-term exposure. EPA Limit1.3 mg/L action level Common SourcesCorrosion of copper household plumbing, erosion of natural deposits. | 1.92 | 1.3 | mg/L | Inorganic | Over Limit |
Lead level trend (90th percentile)
Copper level trend (90th percentile)
See how Jameson compares by contaminant
Explore where Jameson ranks among all Missouri cities for specific contaminants.
Water source & infrastructure
Where Jameson's water comes from
Jameson 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 Jameson'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 2,569 people through 2 water systems.
Water bodies near Jameson
Jameson is located near 1 notable water body. These water bodies contribute to the regional watershed and may indirectly affect groundwater quality.
Water systems serving Jameson
| System Name | PWSID | Population | Source |
|---|---|---|---|
| DAVIESS COUNTY PWSD 2 | MO1021080 | 2,448 | GWP |
| JAMESON | MO1010405 | 121 | GWP |
How Jameson compares
Full Missouri rankings →Jameson's score of 85.9/100 is above the average of 62/100 among major Missouri cities. It outscores 9 of 10 nearby cities.
Nearby cities
View Missouri rankings →About Jameson, MO
Wikipedia →Gallatin is a city in Daviess County, Missouri, United States. The population was 1,821 at the 2020 census. It is the county seat of Daviess County.
Learn more about your water
Guides and resources related to Jameson's water quality findings.
Explore water quality across Daviess
Frequently asked questions
Is Jameson, MO tap water safe to drink?
Jameson's water quality earned a grade of A- (85.9/100). The water generally meets EPA standards and is considered safe for consumption. The city ranks #200 out of 509 cities tested in Missouri.
What contaminants are in Jameson's water?
Lead was measured at 1.7 ppb (90th percentile). 10 violations are on record.
How is Jameson'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 Jameson?
Based on current data, basic filtration should suffice for additional peace of mind.
Where does Jameson's water come from?
Jameson's water is sourced from Purchased ground water. The city has 2 water systems serving approximately 2,569 residents.
What health violations has Jameson's water system had?
Jameson has 3 health-based violations on record. The most recent violation was recorded in July 2016. Health-based violations mean the water exceeded EPA maximum contaminant levels (MCLs) for a regulated substance. 4 violations remain unresolved.
Is Jameson's groundwater at risk of contamination?
Jameson 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 10 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 Jameson's water compare to other cities?
Jameson ranks #200 out of 509 cities in Missouri (better than 61% of state cities) and #5027 out of 15744 cities nationally (68th percentile). The grade of A- reflects the combined assessment of violation history, lead and copper levels, PFAS contamination, and regulatory compliance.