Is Hartville, MO Tap Water Safe to Drink?
Graded B+, with 1 unresolved violation on record. See what was cited — and what it means for your tap. What to do next ↓
81.3/100
waterverge.com Hartville, MO — Water Quality Report
Hartville's drinking water received a grade of B+ (81.3 out of 100), indicating good water quality. The city's 1 water system serves approximately 655 residents using groundwater.
Lead levels were measured at 0.0 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 28 violations on record, including 3 health-based violations. 1 remains unresolved.
What to know about Hartville's water
Hartville ranks #309 out of 509 cities in Missouri for water quality, placing it below average in the state.
Hartville 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, Hartville may have fewer resources for advanced treatment technologies and infrastructure upgrades compared to larger utilities.
The system has seen 21 violations in the past five years, suggesting a pattern of compliance challenges that residents should monitor closely.
Water quality score
See methodology →Is Hartville, MO water safe to drink?
Hartville's tap water meets most EPA standards but has areas that warrant attention. With a grade of B+ (81.3/100), some contaminant levels or compliance issues suggest that residents may benefit from additional filtration. The city's 1 water system serves approximately 655 residents using groundwater (wells).
Recent water quality updates for Hartville
A timeline of significant water quality events, violations, and data updates.
Latest EPA compliance and testing data incorporated into Hartville's water quality assessment. Grade: B+ (81.3/100).
Contaminants: Styrene, CHLOROBENZENE, Carbon tetrachloride.
Federal disaster declaration (FEMA DR-4317). Flood event — may have impacted local water infrastructure.
Contaminants: Revised Total Coliform Rule.
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 Hartville's water supply.
Well within EPA limits.
Violation history
Hartville's water system has 28 total violations on record, including 3 health-based violations. 1 remain unresolved. 21 violations were issued in the last 5 years.
Flood & environmental risk
Wright County has experienced 5 federally declared disasters since 1993. Flooding and severe storms can overwhelm water treatment plants, cause sewage overflows, and introduce agricultural runoff, bacteria, and sediment into drinking water supplies.
Where does Hartville's water come from?
Hartville's drinking water comes from groundwater (wells), supplied by 1 water system serving approximately 655 people. Groundwater is generally less susceptible to surface contamination but can contain naturally occurring contaminants like arsenic, radon, and nitrate.
What Hartville 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.
Hartville'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
Flood & disaster history
Wright County has experienced 5 federally declared disasters since 1993. 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. | 0.0 | 15 | ppb | Inorganic | Safe |
Lead level trend (90th percentile)
See how Hartville compares by contaminant
Explore where Hartville ranks among all Missouri cities for specific contaminants.
Water source & infrastructure
Where Hartville's water comes from
Hartville'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 655 people through 1 water system.
Water systems serving Hartville
| System Name | PWSID | Population | Source |
|---|---|---|---|
| HARTVILLE PWS | MO5010351 | 655 | GW |
How Hartville compares
Full Missouri rankings →Hartville's score of 81.3/100 is above the average of 62/100 among major Missouri cities. It outscores 8 of 10 nearby cities.
Nearby cities
View Missouri rankings →About Hartville, MO
Learn more about your water
Guides and resources related to Hartville's water quality findings.
Explore water quality across Wright
Frequently asked questions
Is Hartville, MO tap water safe to drink?
Hartville's water quality earned a grade of B+ (81.3/100). The water generally meets EPA standards and is considered safe for consumption. The city ranks #309 out of 509 cities tested in Missouri.
What contaminants are in Hartville's water?
Lead was measured at 0.0 ppb (90th percentile). 28 violations are on record.
How is Hartville'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 Hartville?
Based on current data, basic filtration should suffice for additional peace of mind.
Where does Hartville's water come from?
Hartville's water is sourced from Groundwater. The city has 1 water system serving approximately 655 residents.
What health violations has Hartville's water system had?
Hartville has 3 health-based violations on record. The most recent violation was recorded in January 2023. Health-based violations mean the water exceeded EPA maximum contaminant levels (MCLs) for a regulated substance. 1 violation remains unresolved.
Is Hartville's groundwater at risk of contamination?
Hartville 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 28 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 Hartville's water compare to other cities?
Hartville ranks #309 out of 509 cities in Missouri (better than 39% of state cities) and #7525 out of 15744 cities nationally (52th percentile). The grade of B+ reflects the combined assessment of violation history, lead and copper levels, PFAS contamination, and regulatory compliance.
Does Hartville's small water system affect quality?
Hartville's system serves approximately 655 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 28 violations on record.