WaterVerge

Is Circleville, UT Tap Water Safe to Drink?

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

500 residents served 1 water system PWSID: UTAH16002
Overall Score
68.5 / 100
Violations
7 active
Last Updated
May 2026
Source
Groundwater
#107 of 177 in Utah Top 70% nationally
Local Government
Moderate data confidence
Reviewed by WaterVerge Editorial Team · Last updated May 2026
C+GRADE
Water Quality Grade
68.5/100
waterverge.com
C+ 68.5/100

Circleville, UT — Water Quality Report

Circleville's drinking water received a grade of C+ (68.5 out of 100), indicating fair water quality. The city's 1 water system serves approximately 500 residents using groundwater.

Lead levels were measured at 1.1 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 101 violations on record, including 3 health-based violations. 7 remain unresolved.

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

What to know about Circleville's water

Circleville ranks #107 out of 177 cities in Utah for water quality, placing it below average in the state.

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

The system has seen 28 violations in the past five years, suggesting a pattern of compliance challenges that residents should monitor closely.

Quality Breakdown

Water quality score

See methodology →
68.5 out of 100 Grade C+
A: 90-100
B: 74-89
C: 60-73
F: <50
How is this calculated?
Violations
18.5/45
F
Historical violation record including health-based and monitoring violations.
Lead & Copper
20/20
A
Lead at 1.1 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 Circleville, UT water safe to drink?

Concerns Identified

Circleville's drinking water has significant quality concerns based on EPA testing data. With a grade of C+ (68.5/100), the system has issues across multiple categories. A water filter is recommended for all residents. The city's 1 water system serves approximately 500 residents using groundwater (wells).

7
Active Violations
1.1 ppb
Lead (90th %ile)
3 events
Disaster History

Recent water quality updates for Circleville

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

Update
Water quality data updated

Latest EPA compliance and testing data incorporated into Circleville's water quality assessment. Grade: C+ (68.5/100).

Violation
3 drinking water violations recorded

Contaminants: Gross Alpha, Excl. Radon and U, Radium-228, Radium-226.

Violation
1 drinking water violation recorded

Contaminants: Consumer Confidence Rule.

Violation
24 drinking water violations recorded

Contaminants: Simazine, Carbofuran, BHC-GAMMA.

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 Circleville's water supply.

Lead Within Limits
Detected: 1.1 ppb Limit: 15 ppb (EPA Action Level)

Well within EPA limits.

Violation history

Circleville's water system has 101 total violations on record, including 3 health-based violations. 7 remain unresolved. 28 violations were issued in the last 5 years.

MROtherTTMCL
Most recent violations:
Jul 2025 Gross Alpha, Excl. Radon and U Resolved
Jul 2025 Radium-228 Resolved
Jul 2025 Radium-226 Resolved
Jul 2024 Consumer Confidence Rule Open
Jan 2023 Simazine Resolved

Flood & environmental risk

Piute County has experienced 3 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 Sevier River, East Fork Sevier River.

FLOODING
Flood FEMA DR-4011
HURRICANE KATRINA EVACUATION
Coastal Storm FEMA DR-3223
SEVERE STORMS, LANDSLIDES & FLOODING
Flood FEMA DR-680

Where does Circleville's water come from?

Circleville's drinking water comes from groundwater (wells), supplied by 1 water system serving approximately 500 people. Groundwater is generally less susceptible to surface contamination but can contain naturally occurring contaminants like arsenic, radon, and nitrate. Nearby water bodies include Sevier River (river), East Fork Sevier River (river).

What Circleville residents can do

Install a water filter

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

Circleville'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
1.1 ppb
EPA Action Level: 15 ppb · 7% of limit
Safe Level
Compliance Record

Violation summary

101
Total violations
3
Health-based
7
Active / unresolved
Jul 2025
Most recent violation
Compliance Record

Violations & advisories

101 Total
7 Active
3 Health-based
94 Resolved
Violations by category
Inorganic Chemicals
28
Synthetic Organic Chemicals
24
Volatile Organic Chemicals
21
Total Coliform Rule
6
Nitrate Rule
6
Jul 2024 Active
Consumer Confidence Rule
Other Violation 0
Dec 2019 Active
Lead and Copper Rule
Monitoring & Reporting
Monitoring & Reporting 0
Oct 2017 Active
Revised Total Coliform Rule
Other Violation 0
Jul 2017 Active
Consumer Confidence Rule
Other Violation 0
Jul 2016 Active
Consumer Confidence Rule
Other Violation 0
Feb 2015 Active
Groundwater Rule
Treatment Technique
Health-Based Health 0
Active
Compliance Violation
Monitoring 0
Jul 2025 Resolved
Gross Alpha, Excl. Radon and U
Monitoring & Reporting
Monitoring & Reporting Resolved Sep 2025
Jul 2025 Resolved
Radium-228
Monitoring & Reporting
Monitoring & Reporting Resolved Sep 2025
Jul 2025 Resolved
Radium-226
Monitoring & Reporting
Monitoring & Reporting Resolved Sep 2025
Jan 2023 Resolved
Simazine
Monitoring & Reporting
Monitoring & Reporting Resolved Dec 2025
Jan 2023 Resolved
Carbofuran
Monitoring & Reporting
Monitoring & Reporting Resolved Dec 2025
Jan 2023 Resolved
BHC-GAMMA
Monitoring & Reporting
Monitoring & Reporting Resolved Dec 2025
Jan 2023 Resolved
Methoxychlor
Monitoring & Reporting
Monitoring & Reporting Resolved Dec 2025
Jan 2023 Resolved
Chlordane
Monitoring & Reporting
Monitoring & Reporting Resolved Dec 2025
Jan 2023 Resolved
Di(2-ethylhexyl) phthalate
Monitoring & Reporting
Monitoring & Reporting Resolved Dec 2025
Jan 2023 Resolved
2,4-D
Monitoring & Reporting
Monitoring & Reporting Resolved Dec 2025
Jan 2023 Resolved
Benzo(a)pyrene
Monitoring & Reporting
Monitoring & Reporting Resolved Dec 2025
Jan 2023 Resolved
Picloram
Monitoring & Reporting
Monitoring & Reporting Resolved Dec 2025
Jan 2023 Resolved
Endrin
Monitoring & Reporting
Monitoring & Reporting Resolved Dec 2025
Showing 20 of 101 violations
Environmental Risk

Drought conditions

D3 — extreme drought

Piute 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)
16.3%
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

3
Declared disasters
Aug 2011
Most recent
Flood
Most common type

Piute County has experienced 3 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
Apr 1983
SEVERE STORMS, LANDSLIDES & FLOODING
Flood FEMA #680

Full contaminants report

Contaminant Detected Level EPA Limit Unit Category Status
Lead (90th percentile) 1.1 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 2.9 ppb from 1993 (4.0 ppb) to 2022 (1.1 ppb).
Contaminant Rankings

See how Circleville compares by contaminant

Explore where Circleville ranks among all Utah cities for specific contaminants.

Infrastructure

Water source & infrastructure

Primary Source
Groundwater
Operator
Local Government
Population Served
500
Water Systems
1
Water Source

Where Circleville's water comes from

Groundwater

Circleville'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 500 people through 1 water system.

Local Hydrology

Water bodies near Circleville

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

Sevier River
river
East Fork Sevier River
river
Infrastructure

Water systems serving Circleville

System Name PWSID Population Source
CIRCLEVILLE TOWN WATER SYSTEM UTAH16002 500 GW
Regional Comparison

How Circleville compares

Full Utah rankings →

Circleville's score of 68.5/100 is above the average of 50/100 among major Utah cities. It outscores 9 of 10 nearby cities.

Circleville (this city)
68.5
Orem
40.7
Sandy
39.5
Lehi
44.9
Utah avg
50
City Profile

About Circleville, UT

Economic Profile
$58,438
Median Income
$249,861
Median Home Value
$745/mo
Median Rent
8.1%
Unemployment
Community
46.8
Median Age
15
People / sq mi
31.5%
College Educated
88%
Homeownership
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Frequently asked questions

Is Circleville, UT tap water safe to drink?

Circleville's water quality earned a grade of C+ (68.5/100). Some concerns have been identified. Consider a water filter for an extra layer of protection. The city ranks #107 out of 177 cities tested in Utah.

What contaminants are in Circleville's water?

Lead was measured at 1.1 ppb (90th percentile). 101 violations are on record.

How is Circleville'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 Circleville?

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

Where does Circleville's water come from?

Circleville's water is sourced from Groundwater. The city has 1 water system serving approximately 500 residents.

What health violations has Circleville's water system had?

Circleville has 3 health-based violations on record. The most recent violation was recorded in July 2025. Health-based violations mean the water exceeded EPA maximum contaminant levels (MCLs) for a regulated substance. 7 violations remain unresolved.

Is Circleville's groundwater at risk of contamination?

Circleville 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 101 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 Circleville's water compare to other cities?

Circleville ranks #107 out of 177 cities in Utah (better than 40% of state cities) and #11073 out of 15744 cities nationally (30th percentile). The grade of C+ reflects the combined assessment of violation history, lead and copper levels, PFAS contamination, and regulatory compliance.

Does Circleville's small water system affect quality?

Circleville's system serves approximately 500 residents. Small community water systems (under 3,300 people) may have fewer financial resources for infrastructure upgrades and advanced treatment technologies. However, they are held to the same EPA drinking water standards as larger systems. This system has 101 violations on record.