F0/100
MAPLETON CITY — Water Quality Report 2026
Serving 14,000 people · Utah
Water Source
Groundwater
County
—
System ID
UTAH25018
Violations
278
Contaminant Test Results
1 contaminant above EPA health goals
| Contaminant | Detected | Limit (MCL) | Status |
|---|---|---|---|
Lead (90th percentile) | 0.002 mg/L | 0.015 mg/L | Above Goal |
EPA Violation History
No violations in the past 5 years
Full EPA compliance since 2020.
Understanding violation severity
Tier 1Urgent health risk. Utility must notify all customers within 24 hours.Tier 2Important health or treatment issue. Customers notified within 30 days.Tier 3Administrative or monitoring issue. Reported in the annual water quality report.
Source: EPA Safe Drinking Water Information System (SDWIS) · Updated quarterly
Frequently Asked Questions About MAPLETON CITY
Is MAPLETON CITY water safe to drink?
MAPLETON CITY water receives a grade of F (0/100), which is considered failing. 0 contaminant(s) exceed EPA legal limits and 278 violation(s) are on record. Customers may want to consider using a water filter.
What contaminants has MAPLETON CITY detected?
31 contaminants were tested in MAPLETON CITY's water. Notable contaminants include Lead (90th percentile). No contaminants exceed EPA legal limits. 1 exceed EPA health goals (MCLGs).
Does MAPLETON CITY have any EPA violations?
Yes, MAPLETON CITY has 278 EPA violation(s) on record, with the most recent in 2020. Violation types include MON, MR, MCL. 2 are health-based violations.
How many people does MAPLETON CITY serve?
MAPLETON CITY serves approximately 14,000 people, Utah.
What type of water does MAPLETON CITY provide?
MAPLETON CITY sources its water from groundwater. Groundwater is pumped from underground aquifers, which often provides natural filtration. The utility's system ID is UTAH25018.
How does MAPLETON CITY compare to other utilities in Utah?
MAPLETON CITY scores 0/100 with a grade of F (failing). This score suggests significant water quality concerns relative to other utilities. Visit our Utah state page for a full comparison of water systems.