Is Wheaton, MO Tap Water Safe to Drink?
Graded A-, with 2 unresolved violations on record. See what was cited — and what it means for your tap. What to do next ↓
89.5/100
waterverge.com Wheaton, MO — Water Quality Report
Wheaton's drinking water received a grade of A- (89.5 out of 100), indicating good water quality. The city's 1 water system serves approximately 698 residents using groundwater.
Lead levels were measured at 3.6 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 17 violations on record, including 7 health-based violations. 2 remain unresolved.
What to know about Wheaton's water
Wheaton ranks #106 out of 509 cities in Missouri for water quality, placing it above average in the state.
Wheaton 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, Wheaton may have fewer resources for advanced treatment technologies and infrastructure upgrades compared to larger utilities.
Water quality score
See methodology →Is Wheaton, MO water safe to drink?
Wheaton's tap water meets most EPA standards but has areas that warrant attention. With a grade of A- (89.5/100), some contaminant levels or compliance issues suggest that residents may benefit from additional filtration. The city's 1 water system serves approximately 698 residents using groundwater (wells).
Recent water quality updates for Wheaton
A timeline of significant water quality events, violations, and data updates.
Latest EPA compliance and testing data incorporated into Wheaton's water quality assessment. Grade: A- (89.5/100).
Contaminants: Public Notice.
Contaminants: Revised Total Coliform Rule.
Federal disaster declaration (FEMA DR-4317). Flood event — may have impacted local water infrastructure.
Federal disaster declaration (FEMA DR-4250). Flood event — may have impacted local water infrastructure.
Contaminants: Coliform (TCR).
Key contaminant findings
Based on the most recent EPA sampling data for Wheaton's water supply.
Well within EPA limits.
Violation history
Wheaton's water system has 17 total violations on record, including 7 health-based violations. 2 remain unresolved. 2 violations were issued in the last 5 years.
Flood & environmental risk
Barry County has experienced 6 federally declared disasters since 1974. 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 Big Sugar Creek Near Powell.
Where does Wheaton's water come from?
Wheaton's drinking water comes from groundwater (wells), supplied by 1 water system serving approximately 698 people. Groundwater is generally less susceptible to surface contamination but can contain naturally occurring contaminants like arsenic, radon, and nitrate. Nearby water bodies include Big Sugar Creek Near Powell (river).
What Wheaton residents can do
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.
Run cold water for 30 seconds before drinking, especially in the morning. Lead and copper leach from household plumbing when water sits in pipes.
Wheaton'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 Wheaton
Industrial polluters nearby
Reported releases to surface water by facilities near Wheaton, ranked by pounds discharged annually.
| Facility | Top chemical | To surface water (lbs/yr) | Distance |
|---|---|---|---|
GEORGE'S PROCESSING INC OF MISSOURI CASSVILLE, MO65625 | — | — | 7.6 mi |
WILLOW BROOK FOODS PURDY, MO65734 | — | — | 9.0 mi |
Source: EPA Toxic Release Inventory (TRI) 2023
Flood & disaster history
Barry County has experienced 6 federally declared disasters since 1974. Flooding and severe weather can compromise water treatment infrastructure and introduce contaminants into drinking water supplies.
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. | 3.6 | 15 | ppb | Inorganic | Safe |
Lead level trend (90th percentile)
See how Wheaton compares by contaminant
Explore where Wheaton ranks among all Missouri cities for specific contaminants.
Water source & infrastructure
Where Wheaton's water comes from
Wheaton'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 698 people through 1 water system.
Water bodies near Wheaton
Wheaton is located near 1 notable water body. These water bodies contribute to the regional watershed and may indirectly affect groundwater quality.
Water systems serving Wheaton
| System Name | PWSID | Population | Source |
|---|---|---|---|
| WHEATON PWS | MO5010856 | 698 | GW |
How Wheaton compares
Full Missouri rankings →Wheaton's score of 89.5/100 is above the average of 62/100 among major Missouri cities. It outscores 9 of 10 nearby cities.
Nearby cities
View Missouri rankings →About Wheaton, MO
Learn more about your water
Guides and resources related to Wheaton's water quality findings.
Explore water quality across Barry
Frequently asked questions
Is Wheaton, MO tap water safe to drink?
Wheaton's water quality earned a grade of A- (89.5/100). The water generally meets EPA standards and is considered safe for consumption. The city ranks #106 out of 509 cities tested in Missouri.
What contaminants are in Wheaton's water?
Lead was measured at 3.6 ppb (90th percentile). 17 violations are on record.
How is Wheaton'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 Wheaton?
Based on current data, basic filtration should suffice for additional peace of mind.
Where does Wheaton's water come from?
Wheaton's water is sourced from Groundwater. The city has 1 water system serving approximately 698 residents.
What health violations has Wheaton's water system had?
Wheaton has 7 health-based violations on record. The most recent violation was recorded in August 2023. Health-based violations mean the water exceeded EPA maximum contaminant levels (MCLs) for a regulated substance. 2 violations remain unresolved.
Is Wheaton's groundwater at risk of contamination?
Wheaton 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 17 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 Wheaton's water compare to other cities?
Wheaton ranks #106 out of 509 cities in Missouri (better than 79% of state cities) and #2814 out of 15744 cities nationally (82th percentile). The grade of A- reflects the combined assessment of violation history, lead and copper levels, PFAS contamination, and regulatory compliance.
Does Wheaton's small water system affect quality?
Wheaton's system serves approximately 698 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 17 violations on record.