WaterVerge

Is Mount Pleasant, UT Tap Water Safe to Drink?

Graded C+, with 9 unresolved violations on record. See what was cited — and what it means for your tap. What to do next ↓

4K residents served 1 water system PWSID: UTAH20007
Overall Score
67.8 / 100
Violations
9 active
Last Updated
May 2026
Source
Ground water under influence
#111 of 177 in Utah Top 71% nationally
Local Government
High data confidence
Reviewed by WaterVerge Editorial Team · Last updated May 2026
C+GRADE
Water Quality Grade
67.8/100
waterverge.com
C+ 67.8/100

Mount Pleasant, UT — Water Quality Report

Mount Pleasant's drinking water received a grade of C+ (67.8 out of 100), indicating fair water quality. The city's 1 water system serves approximately 4,040 residents using ground water under influence.

Lead levels were measured at 2.2 ppb (90th percentile), well within EPA limits. UCMR 5 testing detected 1 PFAS compound in the water supply.

The system has 230 violations on record, including 17 health-based violations. 9 remain unresolved.

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

What to know about Mount Pleasant's water

Mount Pleasant ranks #111 out of 177 cities in Utah for water quality, placing it below average in the state.

Mount Pleasant 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.

PFAS compounds were detected in testing, though levels remain within current EPA limits. Residents seeking extra precaution may consider an activated carbon or reverse osmosis filter.

Quality Breakdown

Water quality score

See methodology →
67.8 out of 100 Grade C+
A: 90-100
B: 74-89
C: 60-73
F: <50
How is this calculated?
Violations
20/45
F
Historical violation record including health-based and monitoring violations.
Lead & Copper
20/20
A
Lead at 2.2 ppb (90th percentile).
Contaminants
14.2/20
C
1 PFAS compound detected.
Compliance
10/10
A
Monitoring and reporting compliance with EPA regulations.
Source Risk
3.5/5
C
Water source: Ground water under influence.
Water Safety

Is Mount Pleasant, UT water safe to drink?

Concerns Identified

Mount Pleasant's drinking water has significant quality concerns based on EPA testing data. With a grade of C+ (67.8/100), the system has issues across multiple categories. A water filter is recommended for all residents. The city's 1 water system serves approximately 4,040 residents using groundwater (wells).

9
Active Violations
2.2 ppb
Lead (90th %ile)
1 compound
PFAS Detected
5 events
Disaster History

Recent water quality updates for Mount Pleasant

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

PFAS
1 PFAS "forever chemical" compound detected

Detected at levels within current EPA limits. PFAS persist indefinitely in the environment.

Update
Water quality data updated

Latest EPA compliance and testing data incorporated into Mount Pleasant's water quality assessment. Grade: C+ (67.8/100).

Disaster
FLOODING

Federal disaster declaration (FEMA DR-4752). Flood event — may have impacted local water infrastructure.

Violation
72 drinking water violations recorded

Contaminants: Toxaphene, Simazine, Di(2-ethylhexyl) phthalate.

Violation
1 drinking water violation recorded

Contaminants: Revised Total Coliform Rule.

Violation
1 drinking water violation recorded

Contaminants: Revised Total Coliform Rule.

Key contaminant findings

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

Lead Within Limits
Detected: 2.2 ppb Limit: 15 ppb (EPA Action Level)

Well within EPA limits.

PFAS (1 compound) Elevated
Detected: Highest: lithium at 15.0000 µg/L Limit: 0.004 µg/L (EPA MCL)

Detected but within current EPA limits. PFAS do not break down in the environment and can accumulate in the body over time. An activated carbon filter can reduce exposure.

Violation history

Mount Pleasant's water system has 230 total violations on record, including 17 health-based violations. 9 remain unresolved.

MRMONOtherTTMCL
Most recent violations:
Jan 2020 Toxaphene Resolved
Jan 2020 Simazine Resolved
Jan 2020 Di(2-ethylhexyl) phthalate Resolved
Jan 2020 Picloram Resolved
Jan 2020 Dinoseb Resolved

Flood & environmental risk

Sanpete 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. Local water sources include Fairview Tunnel.

FLOODING
Flood FEMA DR-4752
FLOODING
Flood FEMA DR-4011
HURRICANE KATRINA EVACUATION
Coastal Storm FEMA DR-3223

Where does Mount Pleasant's water come from?

Mount Pleasant's drinking water comes from groundwater (wells), supplied by 1 water system serving approximately 4,040 people. Groundwater is generally less susceptible to surface contamination but can contain naturally occurring contaminants like arsenic, radon, and nitrate. Nearby water bodies include Fairview Tunnel (river).

What Mount Pleasant residents can do

Install a water filter

Recommended: Activated carbon or reverse osmosis filter. This addresses the specific contaminants found in Mount Pleasant'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

Mount Pleasant'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
2.2 ppb
EPA Action Level: 15 ppb · 15% of limit
Safe Level
lithium
PFAS / Forever Chemical
Near MCL
15.0000 µg/L
EPA MCL: 0.004 µg/L · +20% over limit
Detected
Lithium
Inorganic
Detected
15.0 µg/L
State screening level: 60 µg/L · 25% of limit
DetectedNo federal MCLUCMR 5 Data (2023–2025)
PFAS Testing

Forever chemicals overview

National PFAS report →
30
Compounds tested
1
Detected
0
Exceed EPA MCL
Compliance Record

Violation summary

230
Total violations
17
Health-based
9
Active / unresolved
Jan 2020
Most recent violation
Compliance Record

Violations & advisories

230 Total
9 Active
17 Health-based
221 Resolved
Violations by category
Synthetic Organic Chemicals
72
Inorganic Chemicals
43
Volatile Organic Chemicals
42
Total Coliform Rule
26
Radionuclides and Revised Rad Rule
19
Oct 2017 Active
Revised Total Coliform Rule
Other Violation 0
Oct 2016 Active
Groundwater Rule
Treatment Technique
Health-Based Health 0
Oct 2016 Active
Groundwater Rule
Treatment Technique
Health-Based Health 0
Oct 2016 Active
Groundwater Rule
Treatment Technique
Health-Based Health 0
Oct 2016 Active
Groundwater Rule
Treatment Technique
Health-Based Health 0
Oct 2016 Active
Groundwater Rule
Treatment Technique
Health-Based Health 0
Jan 2011 Active
Lead and Copper Rule
Monitoring & Reporting
Monitoring & Reporting 0
Jan 1998 Active
Lead and Copper Rule
Monitoring & Reporting
Monitoring & Reporting 0
Active
Compliance Violation
Monitoring 0
Jan 2020 Resolved
Toxaphene
Monitoring & Reporting
Monitoring & Reporting Resolved Dec 2022
Jan 2020 Resolved
Simazine
Monitoring & Reporting
Monitoring & Reporting Resolved Dec 2022
Jan 2020 Resolved
Di(2-ethylhexyl) phthalate
Monitoring & Reporting
Monitoring & Reporting Resolved Dec 2022
Jan 2020 Resolved
Picloram
Monitoring & Reporting
Monitoring & Reporting Resolved Dec 2022
Jan 2020 Resolved
Dinoseb
Monitoring & Reporting
Monitoring & Reporting Resolved Dec 2022
Jan 2020 Resolved
Hexachlorocyclopentadiene
Monitoring & Reporting
Monitoring & Reporting Resolved Dec 2022
Jan 2020 Resolved
Carbofuran
Monitoring & Reporting
Monitoring & Reporting Resolved Dec 2022
Jan 2020 Resolved
Atrazine
Monitoring & Reporting
Monitoring & Reporting Resolved Dec 2022
Jan 2020 Resolved
Heptachlor epoxide
Monitoring & Reporting
Monitoring & Reporting Resolved Dec 2022
Jan 2020 Resolved
2,4,5-TP
Monitoring & Reporting
Monitoring & Reporting Resolved Dec 2022
Jan 2020 Resolved
Benzo(a)pyrene
Monitoring & Reporting
Monitoring & Reporting Resolved Dec 2022
Showing 20 of 230 violations
Environmental Risk

Drought conditions

D3 — extreme drought

Sanpete 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)
22.0%
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
Dec 2023
Most recent
Flood
Most common type

Sanpete 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.

Dec 2023
FLOODING
Flood FEMA #4752
Aug 2011
FLOODING
Flood FEMA #4011
Sep 2005
HURRICANE KATRINA EVACUATION
Coastal Storm FEMA #3223
Aug 1984
SEVERE STORMS, MUDSLIDES, LANDSLIDES & FLOODING
Flood FEMA #720
Apr 1983
SEVERE STORMS, LANDSLIDES & FLOODING
Flood FEMA #680

Recommended water filters

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

🧪
For PFAS
Reverse Osmosis or Activated Carbon Block
1 PFAS compound detected

Full contaminants report

Contaminant Detected Level EPA Limit Unit Category Status
Lead (90th percentile) 2.2 15 ppb Inorganic Safe
11Cl-PF3OUdS ND HI µg/L PFAS Not Detected
4:2 FTS ND HI µg/L PFAS Not Detected
6:2 FTS ND HI µg/L PFAS Not Detected
8:2 FTS ND HI µg/L PFAS Not Detected
9Cl-PF3ONS ND HI µg/L PFAS Not Detected
ADONA ND HI µg/L PFAS Not Detected
HFPO-DA ND 0.01 µg/L PFAS Not Detected
lithium 15.000 HI µg/L PFAS Detected
NEtFOSAA ND HI µg/L PFAS Not Detected
NFDHA ND HI µg/L PFAS Not Detected
NMeFOSAA ND HI µg/L PFAS Not Detected
PFBA ND HI µg/L PFAS Not Detected
PFBS ND HI µg/L PFAS Not Detected
PFDA ND HI µg/L PFAS Not Detected
PFDoA ND HI µg/L PFAS Not Detected
PFEESA ND HI µg/L PFAS Not Detected
PFHpA ND HI µg/L PFAS Not Detected
PFHpS ND HI µg/L PFAS Not Detected
PFHxA ND HI µg/L PFAS Not Detected
PFHxS ND HI µg/L PFAS Not Detected
PFMBA ND HI µg/L PFAS Not Detected
PFMPA ND HI µg/L PFAS Not Detected
PFNA ND HI µg/L PFAS Not Detected
PFOA ND 0.004 µg/L PFAS Not Detected
PFOS ND 0.004 µg/L PFAS Not Detected
PFPeA ND HI µg/L PFAS Not Detected
PFPeS ND HI µg/L PFAS Not Detected
PFTA ND HI µg/L PFAS Not Detected
PFTrDA ND HI µg/L PFAS Not Detected
PFUnA ND HI µg/L PFAS Not Detected
Data source: EPA SDWIS, UCMR 5, local utility CCR.

Lead level trend (90th percentile)

EPA action level: 15 ppb
Lead has decreased by 0.8 ppb from 1993 (3.0 ppb) to 2024 (2.2 ppb).
Contaminant Rankings

See how Mount Pleasant compares by contaminant

Explore where Mount Pleasant ranks among all Utah cities for specific contaminants.

Infrastructure

Water source & infrastructure

Primary Source
Ground Water Under Influence
Operator
Local Government
Population Served
4,040
Water Systems
1
Water Source

Where Mount Pleasant's water comes from

Ground Water Under Influence

Mount Pleasant'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 4,040 people through 1 water system.

Local Hydrology

Water bodies near Mount Pleasant

Mount Pleasant is located near 1 notable water body. These water bodies contribute to the regional watershed and may indirectly affect groundwater quality.

Fairview Tunnel
river
Infrastructure

Water systems serving Mount Pleasant

System Name PWSID Population Source
MOUNT PLEASANT CITY UTAH20007 4,040 GU
Regional Comparison

How Mount Pleasant compares

Full Utah rankings →

Mount Pleasant's score of 67.8/100 is above the average of 50/100 among major Utah cities. It outscores 9 of 10 nearby cities.

Mount Pleasant (this city)
67.8
Orem
40.7
Sandy
39.5
Lehi
44.9
Utah avg
50
City Profile

About Mount Pleasant, UT

Wikipedia →

Mount Pleasant is a city in the U.S. state of Utah. Located in Sanpete County, Mt. Pleasant is known for being home to Wasatch Academy. As of the 2020 census, the city's population was 3,655.

Economic Profile
$61,441
Median Income
$242,916
Median Home Value
$1,003/mo
Median Rent
4.3%
Unemployment
Community
31.5
Median Age
485
People / sq mi
21.8%
College Educated
78.8%
Homeownership
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Frequently asked questions

Is Mount Pleasant, UT tap water safe to drink?

Mount Pleasant's water quality earned a grade of C+ (67.8/100). Some concerns have been identified. Consider a water filter for an extra layer of protection. The city ranks #111 out of 177 cities tested in Utah.

What contaminants are in Mount Pleasant's water?

Lead was measured at 2.2 ppb (90th percentile). 1 PFAS compound was detected. 230 violations are on record.

How is Mount Pleasant'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 Mount Pleasant?

PFAS compounds have been detected. A filter with activated carbon can help reduce exposure.

Where does Mount Pleasant's water come from?

Mount Pleasant's water is sourced from Ground water under influence. The city has 1 water system serving approximately 4,040 residents.

What health violations has Mount Pleasant's water system had?

Mount Pleasant has 17 health-based violations on record. The most recent violation was recorded in January 2020. Health-based violations mean the water exceeded EPA maximum contaminant levels (MCLs) for a regulated substance. 9 violations remain unresolved.

Is Mount Pleasant's groundwater at risk of contamination?

Mount Pleasant 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 230 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 Mount Pleasant's water compare to other cities?

Mount Pleasant ranks #111 out of 177 cities in Utah (better than 37% of state cities) and #11182 out of 15744 cities nationally (29th percentile). The grade of C+ reflects the combined assessment of violation history, lead and copper levels, PFAS contamination, and regulatory compliance.