ZipCheckup grade for 84721: C.
A mixed picture - some signals here are worth your attention.
Cedar City, UT (84721): 1 Health-Based Violation Recorded for Mapped Water Systems - 67/100
EPA data combined for 3 water systems mapped to this ZIP (largest mapped system: Cedar City Waterworks)
Health-based violation records by water system:
EPA records for the water systems mapped to 84721 in Cedar City, UT contain 81 recorded violations for inclusive record years 2021 through 2026, all mapped systems combined; 1 are marked health-based.
Data source: U.S. Environmental Protection Agency (EPA) SDWIS
At a Glance
- Water EPA records for water systems mapped to this ZIP show 1 health-based violation and 80 non-health-based (since 2021).
- Lead The reported 90th-percentile lead result is below the laboratory reporting limit, not a measured zero; EPA's health goal for lead is zero.
- Radon EPA Zone 2 - county-level radon potential, not a home measurement.
- Flood 14 cumulative NFIP claim records. Claim evidence is historical, not current map coverage.
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Cedar City (84721): one critical alert.
Score Breakdown
Overall Home Safety Score: 67/100
This is the published model score. Component and domain values are shown independently; they are not added together on this page.
Canonical components
Required domains
Coverage: 4 of 4 components and 3 of 3 domains observed.
Model 4.0.0; series home-safety-v4-cross-vertical.
Safety & Health (8) CRITICAL
Your Water System
ZIP code 84721 in Cedar City, Utah is mapped to the water system Cedar City Waterworks (EPA ID: UTAH11002). This system provides water to approximately 39,670 people from surface water sources.
There are 3 community water systems serving this area.
Water Systems Serving This Area
| System Name | EPA ID | Population | Source |
|---|---|---|---|
| Cedar City Waterworks | UTAH11002 | 39,670 | Surface water |
| Enoch City Water System | UTAH11004 | 6,500 | Groundwater |
| Flying L Subdivision | UTAH11058 | 220 | Groundwater |
Other Water Quality Reports in Utah
- 84001 (Altamont) - 9 violations recorded for mapped water systems
- 84002 (Altonah) - 9 violations recorded for mapped water systems
- 84003 (American Fork) - 103 violations recorded for mapped water systems
- 84004 (Alpine)
- 84005 (Eagle Mountain) - 11 violations recorded for mapped water systems
- 84006 (Bingham Canyon) - 2 violations recorded for mapped water systems
- 84007 (Bluebell) - 9 violations recorded for mapped water systems
- 84008 (Bonanza)
- 84009 (South Jordan)
- 84010 (Bountiful) - 32 violations recorded for mapped water systems
- 84011 (Bountiful)
- 84013 (Cedar Valley) - 1 violation recorded for mapped water systems
- 84014 (Centerville) - 29 violations recorded for mapped water systems
- 84015 (Clearfield) - 31 violations recorded for mapped water systems
- 84016 (Clearfield)
- 84017 (Coalville) - 33 violations recorded for mapped water systems
- 84018 (Croydon)
- 84020 (Draper) - 22 violations recorded for mapped water systems
- 84021 (Duchesne) - 21 violations recorded for mapped water systems
- 84022 (Dugway)
Nearby Water Quality Reports
- 84720 (Cedar City) - <1 mi - 214 violations recorded for mapped water systems
- 84772 (Summit) - 11 mi
- 84742 (Kanarraville) - 12 mi - 209 violations recorded for mapped water systems
- 84719 (Brian Head) - 12 mi
- 84761 (Parowan) - 17 mi
- 84757 (New Harmony) - 19 mi
- 84760 (Paragonah) - 22 mi
- 84762 (Duck Creek Village) - 24 mi
- 84756 (Newcastle) - 31 mi
- 84710 (Alton) - 32 mi
Data Sources
This report uses public data from the EPA Safe Drinking Water Information System (SDWIS). View available EPA compliance records for Cedar City Waterworks (UTAH11002) on EPA.gov.
4 of the top compounds applied across the surrounding county in USGS pesticide-use estimates appear on EPA drinking-water monitoring lists. See the agricultural pesticide-use section.
UCMR 5 PFAS monitoring: no reportable detections in available records
Available federal UCMR5 records for water systems mapped to ZIP code 84721 show no PFAS detections among the compounds tested, at the program's reporting levels.
The EPA Fifth Unregulated Contaminant Monitoring Rule (UCMR5) required community and non-transient non-community water systems serving 3,300 or more people to test for 29 PFAS compounds and lithium between 2023 and 2025. Systems with no detections at the federal minimum reporting level had no results at or above that reporting level.
Health Risks from Detected Contaminants
Radium-226
High RiskEPA reference value: 5 pCi/L (MCL for combined Radium-226 & 228)
Increased cancer risk, including bone cancer (known carcinogen)
At-risk groups: people who drink water with radium above the MCL over many years
Treatment options (verify a product is certified to reduce this contaminant): ion exchange (water softener), reverse osmosis, lime softening · Find a filter →
Radium-228
High RiskEPA reference value: 5 pCi/L (MCL for combined Radium-226 & 228)
Increased cancer risk, including bone cancer (known carcinogen)
At-risk groups: people who drink water with radium above the MCL over many years
Treatment options (verify a product is certified to reduce this contaminant): ion exchange (water softener), reverse osmosis, lime softening · Find a filter →
Environmental Hazards (11) MODERATE
Home & Infrastructure (6) OK
Cost & Community (9) HIGH
CPSC product recall notices
These national notices are not matched to this ZIP code or water system.
Protect Your Home in Cedar City
Based on local data for ZIP 84721, these services may benefit homeowners in your area.
Based on local data for your area. Use the tools below to explore your options.
Home & Flood Insurance
The ZIP code for this report in Cedar City has 14 FEMA flood claims on record. Standard homeowner policies don't cover flood damage - make sure you're protected.
Typical cost: Flood insurance: premiums vary by property and flood zone; request a quote
Check Your Flood Zone (Free)FEMA flood map lookup - see if your property is in a flood zone
Free tip: Check your FEMA flood zone at msc.fema.gov (free lookup)
Service recommendations are based on public data for this ZIP code (FEMA, Census ACS, NWS). Actual needs vary by property. By calling, your information will be shared with an independent service provider. ZipCheckup may receive compensation. Cost estimates are approximate and vary by property, condition, and contractor.
Frequently Asked Questions
Is the tap water in 84721 safe to drink?
EPA SDWIS records 81 violations since 2021 across the water systems mapped to ZIP 84721 (primary system: Cedar City Waterworks), including 1 health-based. The violation table above shows which system each record belongs to. ZipCheckup last updated this page in July 2026. The federal source release date is unavailable, so that month is not presented as source currency.
Where does 84721's water come from?
The recorded water source for Cedar City Waterworks, a system mapped to ZIP code 84721, is Surface water. This system serves approximately 39,670 people.
How does Cedar City water compare to the national average?
Cedar City's Home Safety Score ranks lower than 65% of U.S. ZIP codes, and lower than 68% of ZIP codes within Utah.
How can I get my water tested in Cedar City?
If Cedar City Waterworks supplies your home, contact it for its Consumer Confidence Report; otherwise contact the water utility that serves your address, or hire a certified lab for independent home water testing. The EPA recommends annual testing if you use a private well.
What is the radon risk for 84721?
84721 is mapped to a county in EPA Radon Zone 2 (moderate county-level radon potential; EPA recommends testing every home), located in Iron County. EPA radon zones range from Zone 1 (highest county-level potential) to Zone 3 (lowest). Testing your home is recommended regardless of zone.
What does the NFIP claim history show for ZIP 84721?
FEMA records contain 14 flood insurance claims filed in ZIP code 84721; the recorded rated-zone value (the most frequent one if there are several claims) is C, which is claims evidence and may differ from the current FEMA map zone for a property. Claim records do not establish current property risk. Review FEMA's map for the specific property.
How to cite this page
ZipCheckup. (2026). Cedar City, UT (84721): 1 Health-Based Violation Recorded for Mapped Water Systems - 67/100. https://zipcheckup.com/report/84721/
@misc{zipcheckup-report-84721,
author = {{ZipCheckup}},
title = {{Cedar City, UT (84721): 1 Health-Based Violation Recorded for Mapped Water Systems - 67/100}},
year = {2026},
url = {https://zipcheckup.com/report/84721/}
}
Page version: October 2026.
Nearby ZIP Code Reports
Water quality comparison for ZIP codes near 84721
| ZIP Code | City, State | Distance | Grade | Violations |
|---|---|---|---|---|
| 84720 | Cedar City, UT | <1 mi | C | 214 |
| 84772 | Summit, UT | 11.0 mi | N/A | 0 |
| 84742 | Kanarraville, UT | 11.7 mi | N/A | 209 |
| 84719 | Brian Head, UT | 12.0 mi | N/A | 0 |
| 84761 | Parowan, UT | 17.1 mi | N/A | 0 |
| 84757 | New Harmony, UT | 19.1 mi | N/A | 0 |
| 84760 | Paragonah, UT | 21.6 mi | N/A | 0 |
| 84762 | Duck Creek Village, UT | 24.5 mi | N/A | 0 |
| 84756 | Newcastle, UT | 30.9 mi | N/A | 0 |
| 84710 | Alton, UT | 31.6 mi | N/A | 0 |
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