WaterVerge

Is Roach, MO Tap Water Safe to Drink?

Graded B-, with 19 unresolved violations on record. See what was cited — and what it means for your tap. What to do next ↓

2K residents served 4 water systems PWSID: MO3242220
Overall Score
74.2 / 100
Violations
19 active
Last Updated
May 2026
Source
Groundwater
#373 of 509 in Missouri Top 63% nationally
Private
Moderate data confidence
Reviewed by WaterVerge Editorial Team · Last updated May 2026
B-GRADE
Water Quality Grade
74.2/100
waterverge.com
B- 74.2/100

Roach, MO — Water Quality Report

Roach's drinking water received a grade of B- (74.2 out of 100), indicating fair water quality. The city's 4 water systems serve approximately 1,542 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 68 violations on record, including 31 health-based violations. 19 remain unresolved.

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

What to know about Roach's water

Roach ranks #373 out of 509 cities in Missouri for water quality, placing it below average in the state.

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

The system has seen 6 violations in the past five years, suggesting a pattern of compliance challenges that residents should monitor closely.

Quality Breakdown

Water quality score

See methodology →
74.2 out of 100 Grade B-
A: 90-100
B: 74-89
C: 60-73
F: <50
How is this calculated?
Violations
27.2/45
C
Historical violation record including health-based and monitoring violations.
Lead & Copper
20/20
A
Lead at 0.0 ppb (90th percentile).
Contaminants
17/20
B
PFAS + legacy contaminant analysis.
Compliance
5/10
D
Monitoring and reporting compliance with EPA regulations.
Source Risk
5/5
A
Water source: Groundwater.
Water Safety

Is Roach, MO water safe to drink?

Concerns Identified

Roach's drinking water has significant quality concerns based on EPA testing data. With a grade of B- (74.2/100), the system has issues across multiple categories. A water filter is recommended for all residents. The city's 4 water systems serve approximately 1,542 residents using groundwater (wells).

19
Active Violations
0.0 ppb
Lead (90th %ile)
5 events
Disaster History

Recent water quality updates for Roach

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

Update
Water quality data updated

Latest EPA compliance and testing data incorporated into Roach's water quality assessment. Grade: B- (74.2/100).

Violation
1 drinking water violation recorded

1 health-based. Contaminants: Revised Total Coliform Rule.

Violation
1 drinking water violation recorded

Contaminants: Revised Total Coliform Rule.

Violation
1 drinking water violation recorded

Contaminants: Revised Total Coliform Rule.

Disaster
SEVERE STORMS, TORNADOES, STRAIGHT-LINE WINDS AND FLOODING

Federal disaster declaration (FEMA DR-4317). Flood event — may have impacted local water infrastructure.

Disaster
SEVERE STORMS, TORNADOES, STRAIGHT-LINE WINDS, AND FLOODING

Federal disaster declaration (FEMA DR-4250). Flood event — may have impacted local water infrastructure.

Key contaminant findings

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

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

Well within EPA limits.

Violation history

Roach's water system has 68 total violations on record, including 31 health-based violations. 19 remain unresolved. 6 violations were issued in the last 5 years.

MCLMONRPTMROtherTT
Most recent violations:
Dec 2025 Revised Total Coliform Rule Resolved
Nov 2025 Revised Total Coliform Rule Resolved
May 2025 Revised Total Coliform Rule Open
Oct 2024 Revised Total Coliform Rule Resolved
Jan 2023 Nitrate-Nitrite Resolved

Flood & environmental risk

Camden 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. Local water sources include Niangua River Ab Lake Niangua Nr Macks Creek, Niangua River At Tunnel Dam Near Macks Creek.

SEVERE STORMS, TORNADOES, STRAIGHT-LINE WINDS AND FLOODING
Flood FEMA DR-4317
SEVERE STORMS, TORNADOES, STRAIGHT-LINE WINDS, AND FLOODING
Flood FEMA DR-4250
SEVERE STORMS, TORNADOES, STRAIGHT-LINE WINDS, AND FLOODING
Flood FEMA DR-3374

Where does Roach's water come from?

Roach's drinking water comes from groundwater (wells), supplied by 4 water systems serving approximately 1,542 people. Groundwater is generally less susceptible to surface contamination but can contain naturally occurring contaminants like arsenic, radon, and nitrate. Nearby water bodies include Niangua River Ab Lake Niangua Nr Macks Creek (river), Niangua River At Tunnel Dam Near Macks Creek (river).

What Roach residents can do

Install a water filter

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

Monitor alerts during storms

Roach'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.

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
Compliance Record

Violation summary

68
Total violations
31
Health-based
19
Active / unresolved
Dec 2025
Most recent violation
Compliance Record

Violations & advisories

68 Total
19 Active
31 Health-based
49 Resolved
Violations by category
Radionuclides and Revised Rad Rule
21
Total Coliform Rule
17
Revised Total Coliform Rule
11
Consumer Confidence Rule
7
Public Notice Rule and Revised PN Rule
4
May 2025 Active
Revised Total Coliform Rule
Reporting
Reporting 0
Jan 2021 Active
Public Notice
Other Violation 0
Sep 2020 Active
Public Notice
Other Violation 0
Apr 2020 Active
Public Notice
Other Violation 0
Dec 2019 Active
Revised Total Coliform Rule
Treatment Technique
Health-Based Health 0
Mar 2017 Active
Public Notice
Other Violation 0
Jan 2016 Active
E. COLI
Monitoring & Reporting
Monitoring & Reporting 0
Jul 2012 Active
Consumer Confidence Rule
Other Violation 0
Jan 2012 Active
Lead and Copper Rule
Monitoring & Reporting
Monitoring & Reporting 0
Jul 2008 Active
Consumer Confidence Rule
Other Violation 0
Jul 2007 Active
Consumer Confidence Rule
Other Violation 0
Jul 2005 Active
Consumer Confidence Rule
Other Violation 0
Jan 2005 Active
Lead and Copper Rule
Monitoring & Reporting
Monitoring & Reporting 0
Jul 2004 Active
Consumer Confidence Rule
Other Violation 0
Jan 2004 Active
Lead and Copper Rule
Monitoring & Reporting
Monitoring & Reporting 0
Jul 2003 Active
Consumer Confidence Rule
Other Violation 0
Jul 2002 Active
Consumer Confidence Rule
Other Violation 0
Active
Compliance Violation
Monitoring 0
Active
Compliance Violation
Monitoring 0
Dec 2025 Resolved
Revised Total Coliform Rule
Max Contaminant Level
Health-Based Health Resolved Dec 2025
Showing 20 of 68 violations
Environmental Risk

Flood & disaster history

5
Declared disasters
Jun 2017
Most recent
Flood
Most common type

Camden 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.

Jun 2017
SEVERE STORMS, TORNADOES, STRAIGHT-LINE WINDS AND FLOODING
Flood FEMA #4317
Jan 2016
SEVERE STORMS, TORNADOES, STRAIGHT-LINE WINDS, AND FLOODING
Flood FEMA #4250
Jan 2016
SEVERE STORMS, TORNADOES, STRAIGHT-LINE WINDS, AND FLOODING
Flood FEMA #3374
Sep 2005
HURRICANE KATRINA EVACUATION
Hurricane FEMA #3232
Jul 1993
SEVERE STORMS & FLOODING
Flood FEMA #995

Full contaminants report

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

Lead level trend (90th percentile)

EPA action level: 15 ppb
Lead has decreased by 9.7 ppb from 1997 (10.4 ppb) to 2025 (0.7 ppb).
Infrastructure

Water source & infrastructure

Primary Source
Groundwater
Operator
Private
Population Served
1,542
Water Systems
4
Water Source

Where Roach's water comes from

Groundwater

Roach'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 1,542 people through 4 water systems.

Local Hydrology

Water bodies near Roach

Roach is located near 2 notable water bodies. These water bodies contribute to the regional watershed and may indirectly affect groundwater quality.

Niangua River Ab Lake Niangua Nr Macks Creek
river
Niangua River At Tunnel Dam Near Macks Creek
river
Infrastructure

Water systems serving Roach

System Name PWSID Population Source
ENCOUNTER COVE CAMP & CONFERENCE CENTER MO3242220 1,052 GW
BIG ISLAND WATER COMPANY MO3031265 175 GW
PLEASANT VALLEY ASSN 1 MO5031429 175 GW
ARROW RIDGE SHORES MO3031133 140 GW
Regional Comparison

How Roach compares

Full Missouri rankings →

Roach's score of 74.2/100 is above the average of 62/100 among major Missouri cities. It outscores 5 of 10 nearby cities.

Roach (this city)
74.2
St. Louis
40.9
Columbia
61.4
Missouri avg
62
City Profile

About Roach, MO

Wikipedia →

Roach is an unincorporated community in southern Camden County, Missouri, United States. It is located north of U.S. Route 54 on Missouri Route AA, approximately five miles west of Camdenton and 2.5 miles west of the Niangua River arm of the Lake of the Ozarks. The ZIP Code for Roach is 65787.

Share this reportHelp others learn about their water quality
WhatsAppXFacebookLinkedInEmail

Frequently asked questions

Is Roach, MO tap water safe to drink?

Roach's water quality earned a grade of B- (74.2/100). Some concerns have been identified. Consider a water filter for an extra layer of protection. The city ranks #373 out of 509 cities tested in Missouri.

What contaminants are in Roach's water?

Lead was measured at 0.0 ppb (90th percentile). 68 violations are on record.

How is Roach'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 Roach?

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

Where does Roach's water come from?

Roach's water is sourced from Groundwater. The city has 4 water systems serving approximately 1,542 residents.

What health violations has Roach's water system had?

Roach has 31 health-based violations on record. The most recent violation was recorded in December 2025. Health-based violations mean the water exceeded EPA maximum contaminant levels (MCLs) for a regulated substance. 19 violations remain unresolved.

Is Roach's groundwater at risk of contamination?

Roach 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 68 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 Roach's water compare to other cities?

Roach ranks #373 out of 509 cities in Missouri (better than 27% of state cities) and #9917 out of 15744 cities nationally (37th percentile). The grade of B- reflects the combined assessment of violation history, lead and copper levels, PFAS contamination, and regulatory compliance.