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Community Water System · PWS MO5010241

El Dorado Springs PWS

El Dorado Springs, Missouri 64744-1769 - drinking water served from groundwater sources to 3,593 people, tracked in EPA SDWIS and UCMR5.

3,593
People served
69
EPA violations
59
Health-based
No PFAS
UCMR5 result

The verdict

EPA records 69 drinking-water violations at El Dorado Springs PWS, 86% of them health-based - below the Missouri per-system average.

69
Total EPA violations on record
86%
Health-based (MCL / treatment failure)
3,593
People served by this system
0
PFAS compounds detected (UCMR5)

Water Quality Snapshot: El Dorado Springs PWS

El Dorado Springs PWS is a local-owned community water system that delivers drinking water to 3,593 residents in El Dorado Springs, Missouri (Cedar County) through 1,706 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 69 total violations for this system , of which 59 (86%) are health-based, meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 3 monitoring and reporting violations are on file. The most recent violation on record dates to 2021.

The most frequently cited contaminant at this system is Coliform (TCR), recorded in 53 violations (MCL, health-based). This system was sampled under EPA's UCMR5 PFAS monitoring program and no PFAS compounds were detected above the minimum reporting level.

Across Missouri, EPA tracks 2,823 public water systems serving 5,855,885 people, with 201,695 cumulative violations and 54,821 health-based violations on record. About 95% of systems in the state carry at least one violation, and state-wide the average per system is 71.4 violations. Statewide, 162 of 230 UCMR5-tested systems have reported PFAS detections (70.4%).

El Dorado Springs PWS's 69 violations sit below the Missouri average.

All figures above are sourced directly from EPA SDWIS and UCMR5 public data releases and are updated as EPA publishes new reporting cycles.

Population Served
3,593
Total Violations
69
Health-Based Violations
59
Water Source
Groundwater

System Details

System Type
Community
Owner Type
Local
Connections
1,706
County
Cedar
School/Daycare
No
MCL Violations
59
Monitoring Violations
3
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Coliform (TCR) MCL 53 2014
Revised Total Coliform Rule MCL 6 2021
Coliform (TCR) MR 3 2003

PFAS Testing Results (UCMR5)

Results from EPA's Fifth Unregulated Contaminant Monitoring Rule. 0 of 174 samples detected PFAS.

Contaminant Date Result MRL Status
PFOS 9/25/2023 <4.00 ppt 4.00 ppt Not Detected
PFNA 9/25/2023 <4.00 ppt 4.00 ppt Not Detected
NFDHA 9/25/2023 <20.00 ppt 20.00 ppt Not Detected
PFPeS 9/25/2023 <4.00 ppt 4.00 ppt Not Detected
PFEESA 9/25/2023 <3.00 ppt 3.00 ppt Not Detected
PFTA 9/25/2023 <8.00 ppt 8.00 ppt Not Detected
PFHpS 9/25/2023 <3.00 ppt 3.00 ppt Not Detected
PFOA 9/25/2023 <4.00 ppt 4.00 ppt Not Detected
PFUnA 9/25/2023 <2.00 ppt 2.00 ppt Not Detected
PFPeA 9/25/2023 <3.00 ppt 3.00 ppt Not Detected
PFMPA 9/25/2023 <4.00 ppt 4.00 ppt Not Detected
8:2 FTS 9/25/2023 <5.00 ppt 5.00 ppt Not Detected
PFDoA 9/25/2023 <3.00 ppt 3.00 ppt Not Detected
PFBS 9/25/2023 <3.00 ppt 3.00 ppt Not Detected
PFMBA 9/25/2023 <3.00 ppt 3.00 ppt Not Detected
4:2 FTS 9/25/2023 <3.00 ppt 3.00 ppt Not Detected
NMeFOSAA 9/25/2023 <6.00 ppt 6.00 ppt Not Detected
PFHpA 9/25/2023 <3.00 ppt 3.00 ppt Not Detected
PFHxS 9/25/2023 <3.00 ppt 3.00 ppt Not Detected
PFDA 9/25/2023 <3.00 ppt 3.00 ppt Not Detected
PFHxA 9/25/2023 <3.00 ppt 3.00 ppt Not Detected
9Cl-PF3ONS 9/25/2023 <2.00 ppt 2.00 ppt Not Detected
ADONA 9/25/2023 <3.00 ppt 3.00 ppt Not Detected
HFPO-DA 9/25/2023 <5.00 ppt 5.00 ppt Not Detected
PFBA 9/25/2023 <5.00 ppt 5.00 ppt Not Detected
11Cl-PF3OUdS 9/25/2023 <5.00 ppt 5.00 ppt Not Detected
PFTrDA 9/25/2023 <7.00 ppt 7.00 ppt Not Detected
NEtFOSAA 9/25/2023 <5.00 ppt 5.00 ppt Not Detected
6:2 FTS 9/25/2023 <5.00 ppt 5.00 ppt Not Detected
PFTrDA 9/25/2023 <7.00 ppt 7.00 ppt Not Detected
PFOA 9/25/2023 <4.00 ppt 4.00 ppt Not Detected
NMeFOSAA 9/25/2023 <6.00 ppt 6.00 ppt Not Detected
PFBS 9/25/2023 <3.00 ppt 3.00 ppt Not Detected
PFHpA 9/25/2023 <3.00 ppt 3.00 ppt Not Detected
PFHxS 9/25/2023 <3.00 ppt 3.00 ppt Not Detected
NEtFOSAA 9/25/2023 <5.00 ppt 5.00 ppt Not Detected
PFOS 9/25/2023 <4.00 ppt 4.00 ppt Not Detected
PFDA 9/25/2023 <3.00 ppt 3.00 ppt Not Detected
PFDoA 9/25/2023 <3.00 ppt 3.00 ppt Not Detected
PFHxA 9/25/2023 <3.00 ppt 3.00 ppt Not Detected
PFUnA 9/25/2023 <2.00 ppt 2.00 ppt Not Detected
11Cl-PF3OUdS 9/25/2023 <5.00 ppt 5.00 ppt Not Detected
9Cl-PF3ONS 9/25/2023 <2.00 ppt 2.00 ppt Not Detected
PFEESA 9/25/2023 <3.00 ppt 3.00 ppt Not Detected
PFNA 9/25/2023 <4.00 ppt 4.00 ppt Not Detected
PFTA 9/25/2023 <8.00 ppt 8.00 ppt Not Detected
ADONA 9/25/2023 <3.00 ppt 3.00 ppt Not Detected
PFHpS 9/25/2023 <3.00 ppt 3.00 ppt Not Detected
NFDHA 9/25/2023 <20.00 ppt 20.00 ppt Not Detected
PFMBA 9/25/2023 <3.00 ppt 3.00 ppt Not Detected

Verify This Water System

The figures above are aggregated from EPA's public databases. To verify the underlying records, or to file a complaint, request a Consumer Confidence Report, or check current monitoring status, go directly to the federal and state regulators that enforce the Safe Drinking Water Act for El Dorado Springs PWS.

Federal Source of Truth

EPA SDWIS, Federal Reports

EPA's Safe Drinking Water Information System (SDWIS) holds the federal compliance record for every regulated public water system. Open the system-level report by PWS ID:

View PWS ID MO5010241 on SDWIS

Source: EPA SDWIS Federal Reports Search

State Regulator

Missouri Drinking Water Authority

Missouri DNR, Public Drinking Water Branch is the primacy agency that licenses and inspects El Dorado Springs PWS under EPA-delegated authority.

Open MO regulator portal

Source: Missouri DNR, Public Drinking Water Branch

Violation Timeline

Each row links to the EPA SDWIS public record for verification. Cross-reference the contaminant code on EPA's federal report to see violation dates, return-to-compliance status, and enforcement actions.

Year (latest) Contaminant Category Count EPA Record
2021 Revised Total Coliform Rule MCL 6 SDWIS / MO5010241 / 8000
2014 Coliform (TCR) MCL 53 SDWIS / MO5010241 / 3100
2003 Coliform (TCR) MR 3 SDWIS / MO5010241 / 3100

How El Dorado Springs PWS Compares

Cross-reference this system's record against state averages and the federal MCL framework for context.

Metric El Dorado Springs PWS Missouri avg Federal benchmark
Total violations 69 71.4 SDWA compliance, any non-zero count is a recorded breach
Health-based violations 59 19.4 Indicates a contaminant exceeded a federal MCL
PFAS detection None 70.4% EPA final rule (2024): PFOA/PFOS MCL = 4.0 ppt
Population served 3,593 2,074 Sizing context for compliance burden

Sources: EPA SDWIS and EPA National Primary Drinking Water Regulations (40 CFR Part 141). State averages computed across 2,823 regulated public water systems in Missouri.

Federal MCL reference, Safe Drinking Water Act thresholds ▼
Contaminant Federal MCL / Action Level Note
Lead 0 mg/L (Action Level: 0.015 mg/L) Lead and Copper Rule treatment technique
Arsenic 0.010 mg/L (10 ppb) Health-based MCL since 2006
Total Coliform Treatment technique (RTCR) Indicator organism, monitoring trigger
PFOA / PFOS (PFAS) 4.0 ppt each (final 2024 rule) Compliance deadline 2029 (EPA proposed extending to 2031, not yet final as of May 2026)
Nitrate (as N) 10 mg/L Acute health risk for infants

Frequently Asked Questions

Is El Dorado Springs PWS water safe to drink? ▼
El Dorado Springs PWS (PWS ID: MO5010241) has 69 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 3,593 people using Groundwater sources.
How many people does El Dorado Springs PWS serve? ▼
El Dorado Springs PWS serves 3,593 people in El Dorado Springs, Missouri. It is a Local-owned system using Groundwater water sources with 1,706 service connections.
What type of violations does El Dorado Springs PWS have? ▼
El Dorado Springs PWS has 69 total violations: 59 health-based violations (MCL exceedances or treatment failures), 3 monitoring/reporting violations, and 0 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in El Dorado Springs PWS water? ▼
No. El Dorado Springs PWS was tested for PFAS under the EPA's UCMR5 monitoring program and no PFAS contamination was detected.
What water source does El Dorado Springs PWS use? ▼
El Dorado Springs PWS uses Groundwater as its primary water source. It is classified as a Community Water System (CWS), serving residential populations year-round.
Where does this data come from? ▼
All data comes from the EPA Safe Drinking Water Information System (SDWIS) and the UCMR5 PFAS monitoring program. SDWIS tracks compliance for all public water systems regulated under the Safe Drinking Water Act.
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025. PFAS data from EPA UCMR5 monitoring program (2023-2025). This data is provided for informational purposes only.

Read our methodology - how this data is sourced, computed, and verified.

Data sourced from EPA SDWIS and UCMR5 PFAS monitoring data. See our methodology for details. Retrieved and formatted by PlainWater Editorial

Every figure on PlainWater is rendered directly from EPA SDWIS drinking-water data, no number is typed in by an editor. This system's figures are rendered directly from EPA SDWIS data, no figure is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.