WaterVerge

Is Oakley, UT Tap Water Safe to Drink?

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

3K residents served 4 water systems PWSID: UTAH22010
Overall Score
46 / 100
Violations
40 active
Last Updated
May 2026
Source
Groundwater
#154 of 177 in Utah Top 89% nationally
Local Government
Moderate data confidence
Reviewed by WaterVerge Editorial Team · Last updated May 2026
DGRADE
Water Quality Grade
46/100
waterverge.com
D 46/100

Oakley, UT — Water Quality Report

Oakley's drinking water received a grade of D (46 out of 100), indicating poor water quality. The city's 4 water systems serve approximately 3,491 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 418 violations on record, including 17 health-based violations. 40 remain unresolved.

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

What to know about Oakley's water

Oakley ranks #154 out of 177 cities in Utah for water quality, placing it among the lowest-rated in the state.

Oakley 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.

The system has seen 12 violations in the past five years, suggesting a pattern of compliance challenges that residents should monitor closely.

Quality Breakdown

Water quality score

See methodology →
46 out of 100 Grade D
A: 90-100
B: 74-89
C: 60-73
F: <50
How is this calculated?
Violations
0/45
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 Oakley, UT water safe to drink?

Concerns Identified

Oakley's drinking water has significant quality concerns based on EPA testing data. With a grade of D (46/100), the system has issues across multiple categories. A water filter is recommended for all residents. The city's 4 water systems serve approximately 3,491 residents using groundwater (wells).

40
Active Violations
0.0 ppb
Lead (90th %ile)
4 events
Disaster History

Recent water quality updates for Oakley

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

Update
Water quality data updated

Latest EPA compliance and testing data incorporated into Oakley's water quality assessment. Grade: D (46/100).

Violation
1 drinking water violation recorded

Contaminants: Lead and Copper Rule.

Violation
2 drinking water violations recorded

Contaminants: Consumer Confidence Rule.

Violation
6 drinking water violations recorded

2 health-based. Contaminants: Groundwater Rule, Nitrate, Gross Alpha, Excl. Radon and U.

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 Oakley's water supply.

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

Well within EPA limits.

Copper Exceeds Limit
Detected: 1.53 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

Oakley's water system has 418 total violations on record, including 17 health-based violations. 40 remain unresolved. 12 violations were issued in the last 5 years.

MROtherTTMCLMONRPT
Most recent violations:
Dec 2025 Lead and Copper Rule Open
Jul 2025 Consumer Confidence Rule Open
Jul 2025 Consumer Confidence Rule Open
Jan 2025 Groundwater Rule Open
Jan 2025 Groundwater Rule Open

Flood & environmental risk

Summit County has experienced 4 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 Weber River, Provo River.

FLOODING
Flood FEMA DR-4011
HURRICANE KATRINA EVACUATION
Coastal Storm FEMA DR-3223
SEVERE STORMS, MUDSLIDES, LANDSLIDES & FLOODING
Flood FEMA DR-720

Where does Oakley's water come from?

Oakley's drinking water comes from groundwater (wells), supplied by 4 water systems serving approximately 3,491 people. Groundwater is generally less susceptible to surface contamination but can contain naturally occurring contaminants like arsenic, radon, and nitrate. Nearby water bodies include Weber River (river), Provo River (river).

What Oakley residents can do

Install a water filter

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

Oakley'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
Copper (90th percentile)
Inorganic
Over Limit
1.53 mg/L
EPA Action Level: 1.3 mg/L · +18% over limit
Exceeds Limit
Compliance Record

Violation summary

418
Total violations
17
Health-based
40
Active / unresolved
Dec 2025
Most recent violation
Compliance Record

Violations & advisories

418 Total
40 Active
17 Health-based
378 Resolved
Violations by category
Volatile Organic Chemicals
125
Inorganic Chemicals
93
Synthetic Organic Chemicals
51
Total Coliform Rule
40
Arsenic Rule
23
Dec 2025 Active
Lead and Copper Rule
Monitoring & Reporting
Monitoring & Reporting 0
Jul 2025 Active
Consumer Confidence Rule
Other Violation 0
Jul 2025 Active
Consumer Confidence Rule
Other Violation 0
Jan 2025 Active
Groundwater Rule
Treatment Technique
Health-Based Health 0
Jan 2025 Active
Groundwater Rule
Treatment Technique
Health-Based Health 0
Oct 2024 Active
Consumer Confidence Rule
Other Violation 0
Jul 2024 Active
Consumer Confidence Rule
Other Violation 0
Oct 2023 Active
Lead and Copper Rule
Monitoring & Reporting
Monitoring & Reporting 0
Dec 2019 Active
Lead and Copper Rule
Monitoring & Reporting
Monitoring & Reporting 0
Oct 2019 Active
Consumer Confidence Rule
Other Violation 0
Jul 2019 Active
Consumer Confidence Rule
Other Violation 0
Dec 2018 Active
Groundwater Rule
Treatment Technique
Health-Based Health 0
Nov 2018 Active
E. COLI
Monitoring & Reporting
Monitoring & Reporting 0
Aug 2018 Active
Groundwater Rule
Treatment Technique
Health-Based Health 0
Apr 2018 Active
E. COLI
Monitoring & Reporting
Monitoring & Reporting 0
Mar 2018 Active
E. COLI
Monitoring & Reporting
Monitoring & Reporting 0
Oct 2017 Active
Revised Total Coliform Rule
Other Violation 0
Oct 2017 Active
Revised Total Coliform Rule
Other Violation 0
Jun 2016 Active
Revised Total Coliform Rule
Reporting
Reporting 0
May 2016 Active
Revised Total Coliform Rule
Treatment Technique
Health-Based Health 0
Showing 20 of 418 violations
Industrial pollution

Top industrial polluters within 10 miles of Oakley

Industrial polluters nearby

Reported releases to surface water by facilities near Oakley, ranked by pounds discharged annually.

FacilityTop chemicalTo surface water (lbs/yr)Distance
UTELITE
Other · HOLCIM PARTICIPATIONS (US) INC
COALVILLE, UT84017
6.7 mi

Source: EPA Toxic Release Inventory (TRI) 2023

Environmental Risk

Drought conditions

D3 — extreme drought

Summit 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)
29.1%
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

4
Declared disasters
Aug 2011
Most recent
Flood
Most common type

Summit County has experienced 4 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 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 Oakley'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) 1.53 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 5.0 ppb from 1993 (5.0 ppb) to 2026 (0.0 ppb).

Copper level (90th percentile)

Latest reading: 1.528 mg/L (1999)

EPA action level: 1.3 mg/L

Infrastructure

Water source & infrastructure

Primary Source
Groundwater
Operator
Local Government
Population Served
3,491
Water Systems
4
Source breakdown
Groundwater
3
Purchased Surface Water
1
Water Source

Where Oakley's water comes from

Groundwater

Oakley'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 3,491 people through 4 water systems.

Local Hydrology

Water bodies near Oakley

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

Weber River
river
Provo River
river
Infrastructure

Water systems serving Oakley

System Name PWSID Population Source
OAKLEY TOWN WATER SYSTEM UTAH22010 1,800 GW
PINE MEADOW MUTUAL WATER UTAH22079 1,251 SWP
LAKEVIEW WATER COMPANY UTAH29024 350 GW
WEBER MEADOWVIEW RANCH UTAH22009 90 GW
Regional Comparison

How Oakley compares

Full Utah rankings →

Oakley's score of 46/100 is on par with the average of 50/100 among major Utah cities. It outscores 6 of 10 nearby cities.

Oakley (this city)
46
Orem
40.7
Sandy
39.5
Lehi
44.9
Utah avg
50
City Profile

About Oakley, UT

Economic Profile
$119,231
Median Income
$508,852
Median Home Value
$2,500/mo
Median Rent
4.1%
Unemployment
Community
37.2
Median Age
95
People / sq mi
30.6%
College Educated
91%
Homeownership
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Frequently asked questions

Is Oakley, UT tap water safe to drink?

Oakley's water quality earned a grade of D (46/100). Significant issues have been found. A water filter is strongly recommended. The city ranks #154 out of 177 cities tested in Utah.

What contaminants are in Oakley's water?

Lead was measured at 0.0 ppb (90th percentile). 418 violations are on record.

How is Oakley'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 Oakley?

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

Where does Oakley's water come from?

Oakley's water is sourced from Groundwater. The city has 4 water systems serving approximately 3,491 residents.

What health violations has Oakley's water system had?

Oakley has 17 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. 40 violations remain unresolved.

Is Oakley's groundwater at risk of contamination?

Oakley 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 418 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 Oakley's water compare to other cities?

Oakley ranks #154 out of 177 cities in Utah (better than 13% of state cities) and #13984 out of 15744 cities nationally (11th percentile). The grade of D reflects the combined assessment of violation history, lead and copper levels, PFAS contamination, and regulatory compliance.