WaterVerge

Is Monroe, UT Tap Water Safe to Drink?

Graded A-, with 7 unresolved violations on record. See what was cited — and what it means for your tap. What to do next ↓

2K residents served 2 water systems PWSID: UTAH21011
Overall Score
85.1 / 100
Violations
7 active
Last Updated
May 2026
Source
Ground water under influence
#53 of 177 in Utah Top 35% nationally
Local Government
Moderate data confidence
Reviewed by WaterVerge Editorial Team · Last updated May 2026
A-GRADE
Water Quality Grade
85.1/100
waterverge.com
A- 85.1/100

Monroe, UT — Water Quality Report

Monroe's drinking water received a grade of A- (85.1 out of 100), indicating good water quality. The city's 2 water systems serve approximately 2,225 residents using ground water under influence.

Lead levels were measured at 1.8 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 116 violations on record, including 0 health-based violations. 7 remain unresolved.

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

What to know about Monroe's water

Monroe ranks #53 out of 177 cities in Utah for water quality, placing it mid-range in the state.

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

Quality Breakdown

Water quality score

See methodology →
85.1 out of 100 Grade A-
A: 90-100
B: 74-89
C: 60-73
F: <50
How is this calculated?
Violations
36.6/45
B
Historical violation record including health-based and monitoring violations.
Lead & Copper
20/20
A
Lead at 1.8 ppb (90th percentile).
Contaminants
17/20
B
PFAS + legacy contaminant analysis.
Compliance
8/10
B
Monitoring and reporting compliance with EPA regulations.
Source Risk
3.5/5
C
Water source: Ground water under influence.
Water Safety

Is Monroe, UT water safe to drink?

Concerns Identified

Monroe's drinking water has significant quality concerns based on EPA testing data. With a grade of A- (85.1/100), the system has issues across multiple categories. A water filter is recommended for all residents. The city's 2 water systems serve approximately 2,225 residents using groundwater (wells).

7
Active Violations
1.8 ppb
Lead (90th %ile)
5 events
Disaster History

Recent water quality updates for Monroe

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

Update
Water quality data updated

Latest EPA compliance and testing data incorporated into Monroe's water quality assessment. Grade: A- (85.1/100).

Violation
1 drinking water violation recorded

Contaminants: Revised Total Coliform Rule.

Violation
1 drinking water violation recorded

Contaminants: E. COLI.

Violation
1 drinking water violation recorded

Contaminants: Revised Total Coliform Rule.

Disaster
FLOODING

Federal disaster declaration (FEMA DR-4011). Flood event — may have impacted local water infrastructure.

Disaster
HURRICANE KATRINA EVACUATION

Federal disaster declaration (FEMA DR-3223). Coastal Storm event — may have impacted local water infrastructure.

Key contaminant findings

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

Lead Within Limits
Detected: 1.8 ppb Limit: 15 ppb (EPA Action Level)

Well within EPA limits.

Violation history

Monroe's water system has 116 total violations on record, including 0 health-based violations. 7 remain unresolved. 1 violation was issued in the last 5 years.

MONMRRPTOther
Most recent violations:
Apr 2025 Revised Total Coliform Rule Resolved
Nov 2017 E. COLI Open
Sep 2017 Revised Total Coliform Rule Resolved
Jul 2017 Revised Total Coliform Rule Open
Jun 2017 Surface Water Treatment Rule Resolved

Flood & environmental risk

Sevier County has experienced 5 federally declared disasters since 1983. Flooding and severe storms can overwhelm water treatment plants, cause sewage overflows, and introduce agricultural runoff, bacteria, and sediment into drinking water supplies.

FLOODING
Flood FEMA DR-4011
HURRICANE KATRINA EVACUATION
Coastal Storm FEMA DR-3223
FLOODING AND LANDSLIDES
Flood FEMA DR-1598

Where does Monroe's water come from?

Monroe's drinking water comes from groundwater (wells), supplied by 2 water systems serving approximately 2,225 people. Groundwater is generally less susceptible to surface contamination but can contain naturally occurring contaminants like arsenic, radon, and nitrate.

What Monroe residents can do

Install a water filter

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

Monroe'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
1.8 ppb
EPA Action Level: 15 ppb · 12% of limit
Safe Level
Compliance Record

Violation summary

116
Total violations
0
Health-based
7
Active / unresolved
Apr 2025
Most recent violation
Compliance Record

Violations & advisories

116 Total
7 Active
0 Health-based
109 Resolved
2 SNC
Violations by category
Inorganic Chemicals
30
Synthetic Organic Chemicals
24
Volatile Organic Chemicals
21
Nitrate Rule
8
Radionuclides and Revised Rad Rule
7
Nov 2017 Active
E. COLI
Monitoring & Reporting
Monitoring & Reporting 0
Jul 2017 Active
Revised Total Coliform Rule
Reporting
Reporting 0
Sep 2013 Active
Lead and Copper Rule
Monitoring & Reporting
Monitoring & Reporting 0
Jan 2011 Active
Lead and Copper Rule
Monitoring & Reporting
Monitoring & Reporting 0
Jul 2010 Active
Consumer Confidence Rule
Other Violation 0
Active
Compliance Violation
Monitoring 0
Active
Compliance Violation
Monitoring 0
Apr 2025 Resolved
Revised Total Coliform Rule
Monitoring
Monitoring Resolved Apr 2025
Sep 2017 Resolved
Revised Total Coliform Rule
Monitoring
Monitoring Resolved Sep 2017
Jun 2017 Resolved
Surface Water Treatment Rule
Monitoring & Reporting
Monitoring & Reporting Resolved Jun 2017
May 2017 Resolved
Surface Water Treatment Rule
Monitoring & Reporting
Monitoring & Reporting Resolved May 2017
Apr 2017 Resolved
Surface Water Treatment Rule
Monitoring & Reporting
Monitoring & Reporting Resolved Apr 2017
Jul 2015 Resolved
TTHM
Monitoring & Reporting
SNC Monitoring & Reporting Resolved Sep 2015
Jul 2015 Resolved
Total Haloacetic Acids (HAA5)
Monitoring & Reporting
SNC Monitoring & Reporting Resolved Sep 2015
Jul 2013 Resolved
TTHM
Monitoring & Reporting
Monitoring & Reporting Resolved Sep 2013
Jul 2013 Resolved
Total Haloacetic Acids (HAA5)
Monitoring & Reporting
Monitoring & Reporting Resolved Sep 2013
Apr 2013 Resolved
Coliform (TCR)
Monitoring & Reporting
Monitoring & Reporting Resolved Apr 2013
Jan 2013 Resolved
Nitrate
Monitoring & Reporting
Monitoring & Reporting Resolved Dec 2013
Jan 2012 Resolved
Nitrate
Monitoring & Reporting
Monitoring & Reporting Resolved Dec 2012
Jan 2012 Resolved
Nitrate
Monitoring & Reporting
Monitoring & Reporting Resolved Dec 2012
Showing 20 of 116 violations
Environmental Risk

Drought conditions

D3 — extreme drought

Sevier County is currently in D3 (extreme 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.

14
Weeks at D2+ (current streak)
24.0%
Months in D2+ (last 30y)
14
Weeks at D2+ (last 5y)

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

Environmental Risk

Flood & disaster history

5
Declared disasters
Aug 2011
Most recent
Flood
Most common type

Sevier County has experienced 5 federally declared disasters since 1983. Flooding and severe weather can compromise water treatment infrastructure and introduce contaminants into drinking water supplies.

Aug 2011
FLOODING
Flood FEMA #4011
Sep 2005
HURRICANE KATRINA EVACUATION
Coastal Storm FEMA #3223
Aug 2005
FLOODING AND LANDSLIDES
Flood FEMA #1598
Aug 1984
SEVERE STORMS, MUDSLIDES, LANDSLIDES & FLOODING
Flood FEMA #720
Apr 1983
SEVERE STORMS, LANDSLIDES & FLOODING
Flood FEMA #680

Full contaminants report

Contaminant Detected Level EPA Limit Unit Category Status
Lead (90th percentile) 1.8 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 1.2 ppb from 1993 (3.0 ppb) to 2025 (1.8 ppb).
Infrastructure

Water source & infrastructure

Primary Source
Ground Water Under Influence
Operator
Local Government
Population Served
2,225
Water Systems
2
Source breakdown
Ground Water Under Influence
1
GUP
1
Water Source

Where Monroe's water comes from

Ground Water Under Influence

Monroe'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 2,225 people through 2 water systems.

Infrastructure

Water systems serving Monroe

System Name PWSID Population Source
MONROE CITY UTAH21011 2,200 GU
SOUTH MONROE CULINARY WATER CO UTAH21017 25 GUP
Regional Comparison

How Monroe compares

Full Utah rankings →

Monroe's score of 85.1/100 is above the average of 50/100 among major Utah cities. It outscores 10 of 10 nearby cities.

Monroe (this city)
85.1
Orem
40.7
Sandy
39.5
Lehi
44.9
Utah avg
50
City Profile

About Monroe, UT

Wikipedia →

Monroe is a city in Sevier County, Utah, United States. The population was 2,515 at the 2020 United States Census.

Economic Profile
$62,361
Median Income
$236,936
Median Home Value
$844/mo
Median Rent
3%
Unemployment
Community
45.8
Median Age
274
People / sq mi
25.7%
College Educated
87.4%
Homeownership
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Frequently asked questions

Is Monroe, UT tap water safe to drink?

Monroe's water quality earned a grade of A- (85.1/100). The water generally meets EPA standards and is considered safe for consumption. The city ranks #53 out of 177 cities tested in Utah.

What contaminants are in Monroe's water?

Lead was measured at 1.8 ppb (90th percentile). 116 violations are on record.

How is Monroe'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 Monroe?

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

Where does Monroe's water come from?

Monroe's water is sourced from Ground water under influence. The city has 2 water systems serving approximately 2,225 residents.

Is Monroe's groundwater at risk of contamination?

Monroe 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 116 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 Monroe's water compare to other cities?

Monroe ranks #53 out of 177 cities in Utah (better than 70% of state cities) and #5501 out of 15744 cities nationally (65th percentile). The grade of A- reflects the combined assessment of violation history, lead and copper levels, PFAS contamination, and regulatory compliance.