Is Ewing, MO Tap Water Safe to Drink?
Graded A-, with 1 unresolved violation on record. See what was cited — and what it means for your tap. What to do next ↓
89.1/100
waterverge.com Ewing, MO — Water Quality Report
Ewing's drinking water received a grade of A- (89.1 out of 100), indicating good water quality. The city's 1 water system serves approximately 1,688 residents using purchased surface water.
Lead levels were measured at 1.6 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 3 violations on record, including 1 health-based violation. 1 remains unresolved.
What to know about Ewing's water
Ewing ranks #117 out of 509 cities in Missouri for water quality, placing it above average in the state.
The city draws from surface water sources, which are more susceptible to seasonal runoff and agricultural contamination, requiring extensive multi-barrier treatment including coagulation, filtration, and disinfection.
As a small community water system, Ewing may have fewer resources for advanced treatment technologies and infrastructure upgrades compared to larger utilities.
Water quality score
See methodology →Is Ewing, MO water safe to drink?
Ewing's tap water meets most EPA standards but has areas that warrant attention. With a grade of A- (89.1/100), some contaminant levels or compliance issues suggest that residents may benefit from additional filtration. The city's 1 water system serves approximately 1,688 residents using surface water (rivers, lakes, or reservoirs).
Recent water quality updates for Ewing
A timeline of significant water quality events, violations, and data updates.
Latest EPA compliance and testing data incorporated into Ewing's water quality assessment. Grade: A- (89.1/100).
Contaminants: LEAD AND COPPER RULE REVISIONS.
Contaminants: Revised Total Coliform Rule.
Federal disaster declaration (FEMA DR-3374). Flood event — may have impacted local water infrastructure.
Federal disaster declaration (FEMA DR-3325). Flood event — may have impacted local water infrastructure.
1 health-based. Contaminants: Surface Water Treatment Rule.
Key contaminant findings
Based on the most recent EPA sampling data for Ewing's water supply.
Well within EPA limits.
Violation history
Ewing's water system has 3 total violations on record, including 1 health-based violation. 1 remain unresolved. 2 violations were issued in the last 5 years.
Flood & environmental risk
Lewis County has experienced 6 federally declared disasters since 1973. 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 Wyaconda River Above Canton, North Fabius River Near Ewing, Middle Fabius River Near Ewing, South Fabius River Near Taylor.
Where does Ewing's water come from?
Ewing's drinking water comes from surface water (rivers, lakes, or reservoirs), supplied by 1 water system serving approximately 1,688 people. Surface water sources are more susceptible to contamination from runoff, industrial discharge, and algal blooms, requiring extensive treatment. Nearby water bodies include Wyaconda River Above Canton (river), North Fabius River Near Ewing (river), Middle Fabius River Near Ewing (river), South Fabius River Near Taylor (river).
What Ewing 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.
Ewing'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
Lewis County has experienced 6 federally declared disasters since 1973. 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. | 1.6 | 15 | ppb | Inorganic | Safe |
Lead level trend (90th percentile)
See how Ewing compares by contaminant
Explore where Ewing ranks among all Missouri cities for specific contaminants.
Water source & infrastructure
Where Ewing's water comes from
Ewing's drinking water comes primarily from surface water sources such as rivers, lakes, or reservoirs.
Surface water systems require multi-stage treatment including coagulation, sedimentation, filtration, and disinfection to meet EPA Safe Drinking Water Act standards.
These sources can be impacted by seasonal changes, stormwater runoff, upstream agriculture, and industrial discharge.
The system is operated by local government ownership and serves approximately 1,688 people through 1 water system.
Water bodies near Ewing
Ewing is located near 4 notable water bodies. As a surface water system, these water bodies may directly influence the city's drinking water supply.
Water systems serving Ewing
| System Name | PWSID | Population | Source |
|---|---|---|---|
| LEWIS COUNTY PWSD 1 | MO2024335 | 1,688 | SWP |
How Ewing compares
Full Missouri rankings →Ewing's score of 89.1/100 is above the average of 62/100 among major Missouri cities. It outscores 9 of 10 nearby cities.
Nearby cities
View Missouri rankings →About Ewing, MO
Learn more about your water
Guides and resources related to Ewing's water quality findings.
Explore water quality across Lewis
Frequently asked questions
Is Ewing, MO tap water safe to drink?
Ewing's water quality earned a grade of A- (89.1/100). The water generally meets EPA standards and is considered safe for consumption. The city ranks #117 out of 509 cities tested in Missouri.
What contaminants are in Ewing's water?
Lead was measured at 1.6 ppb (90th percentile). 3 violations are on record.
How is Ewing'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 Ewing?
Based on current data, basic filtration should suffice for additional peace of mind.
Where does Ewing's water come from?
Ewing's water is sourced from Purchased surface water. The city has 1 water system serving approximately 1,688 residents.
What health violations has Ewing's water system had?
Ewing has 1 health-based violation on record. The most recent violation was recorded in October 2024. Health-based violations mean the water exceeded EPA maximum contaminant levels (MCLs) for a regulated substance. 1 violation remains unresolved.
How does Ewing's water compare to other cities?
Ewing ranks #117 out of 509 cities in Missouri (better than 77% of state cities) and #3032 out of 15744 cities nationally (81th percentile). The grade of A- reflects the combined assessment of violation history, lead and copper levels, PFAS contamination, and regulatory compliance.
Does Ewing's small water system affect quality?
Ewing's system serves approximately 1,688 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 3 violations on record.