WaterVerge

Is Peeples Valley, MO Tap Water Safe to Drink?

Graded C — but Copper was detected above EPA limits. Here's what's in the water and how to remove it. What to do next ↓

758 residents served 2 water systems PWSID: AZ0413078
Overall Score
60.9 / 100
Violations
35 active
Last Updated
May 2026
Source
Groundwater
#444 of 509 in Missouri Top 77% nationally
Private
Moderate data confidence
Reviewed by WaterVerge Editorial Team · Last updated May 2026
CGRADE
Water Quality Grade
60.9/100
waterverge.com
C 60.9/100

Peeples Valley, MO — Water Quality Report

Peeples Valley's drinking water received a grade of C (60.9 out of 100), indicating fair water quality. The city's 2 water systems serve approximately 758 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 228 violations on record, including 11 health-based violations. 35 remain unresolved.

Data last updated: May 2026 · Source: EPA SDWIS, UCMR 5
Analysis

What to know about Peeples Valley's water

Peeples Valley ranks #444 out of 509 cities in Missouri for water quality, placing it among the lowest-rated in the state.

Peeples Valley 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, Peeples Valley may have fewer resources for advanced treatment technologies and infrastructure upgrades compared to larger utilities.

The system has seen 16 violations in the past five years, suggesting a pattern of compliance challenges that residents should monitor closely.

Quality Breakdown

Water quality score

See methodology →
60.9 out of 100 Grade C
A: 90-100
B: 74-89
C: 60-73
F: <50
How is this calculated?
Violations
14.9/45
F
Historical violation record including health-based and monitoring violations.
Lead & Copper
16/20
B
Lead at 0.0 ppb (90th percentile).
Contaminants
17/20
B
PFAS + legacy contaminant analysis.
Compliance
8/10
B
Monitoring and reporting compliance with EPA regulations.
Source Risk
5/5
A
Water source: Groundwater.
Water Safety

Is Peeples Valley, MO water safe to drink?

Concerns Identified

Peeples Valley's drinking water has significant quality concerns based on EPA testing data. With a grade of C (60.9/100), the system has issues across multiple categories. A water filter is recommended for all residents. The city's 2 water systems serve approximately 758 residents using groundwater (wells).

35
Active Violations
0.0 ppb
Lead (90th %ile)

Recent water quality updates for Peeples Valley

A timeline of significant water quality events, violations, and data updates.

Update
Water quality data updated

Latest EPA compliance and testing data incorporated into Peeples Valley's water quality assessment. Grade: C (60.9/100).

Violation
1 drinking water violation recorded

Contaminants: Public Notice.

Violation
1 drinking water violation recorded

Contaminants: Lead and Copper Rule.

Violation
2 drinking water violations recorded

Contaminants: TTHM, Total Haloacetic Acids (HAA5).

Key contaminant findings

Based on the most recent EPA sampling data for Peeples Valley's water supply.

Lead Within Limits
Detected: 0.0 ppb Limit: 15 ppb (EPA Action Level)

Well within EPA limits.

Copper Exceeds Limit
Detected: 2.20 mg/L Limit: 1.3 mg/L (EPA Action Level)

Exceeds EPA action level. Copper can leach from household plumbing — flush taps for 30 seconds before drinking.

Violation history

Peeples Valley's water system has 228 total violations on record, including 11 health-based violations. 35 remain unresolved. 16 violations were issued in the last 5 years.

OtherMRRPTMCLMON
Most recent violations:
Nov 2025 Public Notice Open
Jan 2025 Lead and Copper Rule Open
Jan 2024 TTHM Resolved
Jan 2024 Total Haloacetic Acids (HAA5) Resolved
Oct 2023 Consumer Confidence Rule Open

Where does Peeples Valley's water come from?

Peeples Valley's drinking water comes from groundwater (wells), supplied by 2 water systems serving approximately 758 people. Groundwater is generally less susceptible to surface contamination but can contain naturally occurring contaminants like arsenic, radon, and nitrate.

What Peeples Valley residents can do

Install a water filter

Recommended: NSF-certified water filter. This addresses the specific contaminants found in Peeples Valley's water.

Request your utility's CCR

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.

Contaminant Alerts

Top contaminants to know

View all ↓
Lead (90th percentile)
Inorganic / Heavy Metal
Safe
0.0 ppb
EPA Action Level: 15 ppb · 0% of limit
Safe Level
Copper (90th percentile)
Inorganic
Over Limit
2.20 mg/L
EPA Action Level: 1.3 mg/L · +20% over limit
Exceeds Limit
Compliance Record

Violation summary

228
Total violations
11
Health-based
35
Active / unresolved
Nov 2025
Most recent violation
Compliance Record

Violations & advisories

228 Total
35 Active
11 Health-based
193 Resolved
4 SNC
Violations by category
Stage 1 Disinfectants and Disinfection Byproducts Rule
59
Total Coliform Rule
45
Volatile Organic Chemicals
23
Synthetic Organic Chemicals
22
Consumer Confidence Rule
19
Nov 2025 Active
Public Notice
Other Violation 0
Jan 2025 Active
Lead and Copper Rule
Monitoring & Reporting
Monitoring & Reporting 0
Oct 2023 Active
Consumer Confidence Rule
Other Violation 0
Oct 2023 Active
Consumer Confidence Rule
Other Violation 0
Oct 2022 Active
Revised Total Coliform Rule
Reporting
Reporting 0
Oct 2022 Active
Revised Total Coliform Rule
Reporting
Reporting 0
Jan 2019 Active
Lead and Copper Rule
Monitoring & Reporting
Monitoring & Reporting 0
Jan 2019 Active
Lead and Copper Rule
Monitoring & Reporting
Monitoring & Reporting 0
Jul 2018 Active
Consumer Confidence Rule
Other Violation 0
Nov 2017 Active
Lead and Copper Rule
Monitoring & Reporting
Monitoring & Reporting 0
Jul 2017 Active
Consumer Confidence Rule
Other Violation 0
Oct 2014 Active
Lead and Copper Rule
Monitoring & Reporting
Monitoring & Reporting 0
Oct 2014 Active
Lead and Copper Rule
Monitoring & Reporting
Monitoring & Reporting 0
Oct 2012 Active
Lead and Copper Rule
Monitoring & Reporting
Monitoring & Reporting 0
Sep 2012 Active
E. COLI
Monitoring & Reporting
Monitoring & Reporting 0
Oct 2011 Active
Consumer Confidence Rule
Other Violation 0
Jul 2011 Active
Consumer Confidence Rule
Other Violation 0
Oct 2010 Active
Consumer Confidence Rule
Other Violation 0
Oct 2010 Active
Lead and Copper Rule
Monitoring & Reporting
Monitoring & Reporting 0
Jul 2010 Active
Consumer Confidence Rule
Other Violation 0
Showing 20 of 228 violations
Environmental Risk

Drought conditions

D2 — severe drought

Yavapai County is currently in D2 (severe drought) per the U.S. Drought Monitor (week of May 5, 2026). Drought can elevate disinfection-byproduct (TTHM/HAA5) levels and taste/odor issues as utilities draw from lower reservoirs.

3
Weeks at D2+ (current streak)
44.5%
Months in D2+ (last 30y)
3
Weeks at D2+ (last 5y)

Source: U.S. Drought Monitor, updated weekly by NDMC, USDA, and NOAA.

Recommended water filters

Based on contaminants detected in Peeples Valley's water supply, we recommend the following filter types.

🔧
For Copper
Reverse Osmosis or KDF Filter
Copper exceeds the EPA action level of 1.3 mg/L

Full contaminants report

Contaminant Detected Level EPA Limit Unit Category Status
Lead (90th percentile) 0.0 15 ppb Inorganic Safe
Copper (90th percentile) 2.20 1.3 mg/L Inorganic Over Limit
Data source: EPA SDWIS, UCMR 5, local utility CCR.

Lead level trend (90th percentile)

EPA action level: 15 ppb
Lead has decreased by 0.0 ppb from 2004 (0.0 ppb) to 2024 (0.0 ppb).

Copper level (90th percentile)

Latest reading: 2.100 mg/L (2006)

EPA action level: 1.3 mg/L

Contaminant Rankings

See how Peeples Valley compares by contaminant

Explore where Peeples Valley ranks among all Missouri cities for specific contaminants.

Infrastructure

Water source & infrastructure

Primary Source
Groundwater
Operator
Private
Population Served
758
Water Systems
2
Source breakdown
Groundwater
1
Purchased Groundwater
1
Water Source

Where Peeples Valley's water comes from

Groundwater

Peeples Valley'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 private ownership and serves approximately 758 people through 2 water systems.

Infrastructure

Water systems serving Peeples Valley

System Name PWSID Population Source
CS PEEPLES VALLEY WATER COMPANY AZ0413078 658 GW
YAVAPAI COUNTRY CLUB ESTATES WATER CO AZ0413058 100 GWP
Regional Comparison

How Peeples Valley compares

Full Missouri rankings →

Peeples Valley's score of 60.9/100 is on par with the average of 62/100 among major Missouri cities. It outscores 4 of 10 nearby cities. 6 of 10 nearby cities score higher.

Peeples Valley (this city)
60.9
St. Louis
40.9
Columbia
61.4
Missouri avg
62
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Frequently asked questions

Is Peeples Valley, MO tap water safe to drink?

Peeples Valley's water quality earned a grade of C (60.9/100). Some concerns have been identified. Consider a water filter for an extra layer of protection. The city ranks #444 out of 509 cities tested in Missouri.

What contaminants are in Peeples Valley's water?

Lead was measured at 0.0 ppb (90th percentile). 228 violations are on record.

How is Peeples Valley'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 Peeples Valley?

Based on current data, basic filtration should suffice for additional peace of mind.

Where does Peeples Valley's water come from?

Peeples Valley's water is sourced from Groundwater. The city has 2 water systems serving approximately 758 residents.

What health violations has Peeples Valley's water system had?

Peeples Valley has 11 health-based violations on record. The most recent violation was recorded in November 2025. Health-based violations mean the water exceeded EPA maximum contaminant levels (MCLs) for a regulated substance. 35 violations remain unresolved.

Is Peeples Valley's groundwater at risk of contamination?

Peeples Valley 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 228 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 Peeples Valley's water compare to other cities?

Peeples Valley ranks #444 out of 509 cities in Missouri (better than 13% of state cities) and #12043 out of 15744 cities nationally (24th percentile). The grade of C reflects the combined assessment of violation history, lead and copper levels, PFAS contamination, and regulatory compliance.