Is Eldorado Spring, MO Tap Water Safe to Drink?
Graded B, with 7 unresolved violations on record. See what was cited — and what it means for your tap. What to do next ↓
79.8/100
Eldorado Spring, MO — Water Quality Report
Eldorado Spring's drinking water received a grade of B (79.8 out of 100), indicating good water quality. The city's 1 water system serves approximately 1,650 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 26 violations on record, including 10 health-based violations. 7 remain unresolved.
What to know about Eldorado Spring's water
Eldorado Spring ranks #319 out of 509 cities in Missouri for water quality, placing it below average in the state.
Eldorado Spring 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, Eldorado Spring may have fewer resources for advanced treatment technologies and infrastructure upgrades compared to larger utilities.
The system has seen 7 violations in the past five years, suggesting a pattern of compliance challenges that residents should monitor closely.
Water quality score
See methodology →Is Eldorado Spring, MO water safe to drink?
Eldorado Spring's drinking water has significant quality concerns based on EPA testing data. With a grade of B (79.8/100), the system has issues across multiple categories. A water filter is recommended for all residents. The city's 1 water system serves approximately 1,650 residents using groundwater (wells).
Recent water quality updates for Eldorado Spring
A timeline of significant water quality events, violations, and data updates.
Latest EPA compliance and testing data incorporated into Eldorado Spring's water quality assessment. Grade: B (79.8/100).
Contaminants: E. COLI.
Contaminants: Public Notice.
1 health-based. Contaminants: Groundwater Rule.
Key contaminant findings
Based on the most recent EPA sampling data for Eldorado Spring's water supply.
Well within EPA limits.
Violation history
Eldorado Spring's water system has 26 total violations on record, including 10 health-based violations. 7 remain unresolved. 7 violations were issued in the last 5 years.
Where does Eldorado Spring's water come from?
Eldorado Spring's drinking water comes from groundwater (wells), supplied by 1 water system serving approximately 1,650 people. Groundwater is generally less susceptible to surface contamination but can contain naturally occurring contaminants like arsenic, radon, and nitrate.
What Eldorado Spring residents can do
Recommended: NSF-certified water filter. This addresses the specific contaminants found in Eldorado Spring'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.
Data: EPA SDWIS, UCMR 5 (PFAS), FEMA, NOAA. Last updated May 2026.
Top contaminants to know
View all ↓Violation summary
Violations & advisories
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 Eldorado Spring compares by contaminant
Explore where Eldorado Spring ranks among all Missouri cities for specific contaminants.
Water source & infrastructure
Where Eldorado Spring's water comes from
Eldorado Spring'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 1,650 people through 1 water system.
Water systems serving Eldorado Spring
| System Name | PWSID | Population | Source |
|---|---|---|---|
| CEDAR COUNTY PWSD 1 | MO5024120 | 1,650 | GW |
How Eldorado Spring compares
Full Missouri rankings →Eldorado Spring's score of 79.8/100 is above the average of 62/100 among major Missouri cities. It outscores 8 of 10 nearby cities.
Nearby cities
View Missouri rankings →Learn more about your water
Guides and resources related to Eldorado Spring's water quality findings.
Explore water quality across Cedar
Frequently asked questions
Is Eldorado Spring, MO tap water safe to drink?
Eldorado Spring's water quality earned a grade of B (79.8/100). Some concerns have been identified. Consider a water filter for an extra layer of protection. The city ranks #319 out of 509 cities tested in Missouri.
What contaminants are in Eldorado Spring's water?
Lead was measured at 0.0 ppb (90th percentile). 26 violations are on record.
How is Eldorado Spring'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 Eldorado Spring?
Based on current data, basic filtration should suffice for additional peace of mind.
Where does Eldorado Spring's water come from?
Eldorado Spring's water is sourced from Groundwater. The city has 1 water system serving approximately 1,650 residents.
What health violations has Eldorado Spring's water system had?
Eldorado Spring has 10 health-based violations on record. The most recent violation was recorded in June 2024. Health-based violations mean the water exceeded EPA maximum contaminant levels (MCLs) for a regulated substance. 7 violations remain unresolved.
Is Eldorado Spring's groundwater at risk of contamination?
Eldorado Spring 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 26 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 Eldorado Spring's water compare to other cities?
Eldorado Spring ranks #319 out of 509 cities in Missouri (better than 37% of state cities) and #8139 out of 15744 cities nationally (48th percentile). The grade of B reflects the combined assessment of violation history, lead and copper levels, PFAS contamination, and regulatory compliance.
Does Eldorado Spring's small water system affect quality?
Eldorado Spring's system serves approximately 1,650 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 26 violations on record.