ZipCheckup grade for 84321: B.
This ZIP has a few items worth a quick check.
Logan, UT (84321): 25 Violations Recorded for Mapped Water Systems - 75/100
EPA data combined for 9 water systems mapped to this ZIP (largest mapped system: Logan City Water System)
EPA records for the water systems mapped to 84321 in Logan, UT contain 25 recorded violations for inclusive record years 2021 through 2026, all mapped systems combined; 0 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 25 violations (non-health) (since 2021).
- Lead The reported 90th-percentile lead result of 0.0022 mg/L is below the EPA action level for water systems; EPA's health goal for lead is zero.
- Radon EPA Zone 2 - county-level radon potential, not a home measurement.
- Flood 25 cumulative NFIP claim records. Check the current FEMA map for a specific address.
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Score Breakdown
Overall Home Safety Score: 75/100
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) HIGH
Your Water System
ZIP code 84321 in Logan, Utah is mapped to the water system Logan City Water System (EPA ID: UTAH03010). This system provides water to approximately 55,540 people from groundwater sources.
There are 9 community water systems serving this area.
Water Systems Serving This Area
| System Name | EPA ID | Population | Source |
|---|---|---|---|
| Logan City Water System | UTAH03010 | 55,540 | Groundwater |
| Nibley City Water | UTAH03001 | 9,200 | Groundwater |
| River Heights City | UTAH03019 | 2,195 | Groundwater |
| Providence City Water System | UTAH03017 | 9,690 | Groundwater |
| Hyrum City | UTAH03008 | 10,891 | 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
- 84323 (Logan) - 1 mi
- 84341 (Logan) - 2 mi - 19 violations recorded for mapped water systems
- 84332 (Providence) - 3 mi - 6 violations recorded for mapped water systems
- 84318 (Hyde Park) - 4 mi - 19 violations recorded for mapped water systems
- 84326 (Millville) - 5 mi - 6 violations recorded for mapped water systems
- 84335 (Smithfield) - 7 mi - 75 violations recorded for mapped water systems
- 84319 (Hyrum) - 8 mi - 6 violations recorded for mapped water systems
- 84322 (Logan) - 8 mi
- 84325 (Mendon) - 9 mi - 29 violations recorded for mapped water systems
- 84339 (Wellsville) - 10 mi - 6 violations recorded for mapped water systems
Data Sources
This report uses public data from the EPA Safe Drinking Water Information System (SDWIS). View available EPA compliance records for Logan City Water System (UTAH03010) 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 84321 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 Logan
Based on local data for ZIP 84321, 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 Logan has 25 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)
Gutter Installation & Repair
The median home in 84321 was built around 1989. Aging gutters can cause foundation damage, basement flooding, and mold - a professional assessment can prevent costly repairs.
Typical cost: Gutter installation: typically $1,000–$2,500 for a standard home
Estimate Your Home Maintenance CostsService 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 84321 safe to drink?
EPA SDWIS records 25 violations since 2021 across the water systems mapped to ZIP 84321 (primary system: Logan City Water System), including 0 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 84321's water come from?
The recorded water source for Logan City Water System, a system mapped to ZIP code 84321, is Groundwater. This system serves approximately 55,540 people.
How does Logan water compare to the national average?
Logan's Home Safety Score ranks better than 51% of U.S. ZIP codes, and at or above 61% within Utah.
How can I get my water tested in Logan?
If Logan City Water System 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.
Is lead a concern in 84321 tap water?
The Lead and Copper Rule record selected for 84321 reports a 90th-percentile lead result of 0.0022 mg/L for a water system mapped to this ZIP (record date 2023-12-31). The EPA action level is 0.015 mg/L. This result is below the EPA action level; it does not show the lead level in each home.
What is the radon risk for 84321?
84321 is mapped to a county in EPA Radon Zone 2 (moderate county-level radon potential; EPA recommends testing every home), located in Cache 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 84321?
FEMA records contain 25 flood insurance claims filed in ZIP code 84321; the recorded rated-zone value (the most frequent one if there are several claims) is A, 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). Logan, UT (84321): 25 Violations Recorded for Mapped Water Systems - 75/100. https://zipcheckup.com/report/84321/
@misc{zipcheckup-report-84321,
author = {{ZipCheckup}},
title = {{Logan, UT (84321): 25 Violations Recorded for Mapped Water Systems - 75/100}},
year = {2026},
url = {https://zipcheckup.com/report/84321/}
}
Page version: October 2026.
Nearby ZIP Code Reports
Water quality comparison for ZIP codes near 84321
| ZIP Code | City, State | Distance | Grade | Violations |
|---|---|---|---|---|
| 84323 | Logan, UT | 1.0 mi | N/A | 0 |
| 84341 | Logan, UT | 2.2 mi | B | 19 |
| 84332 | Providence, UT | 3.3 mi | B | 6 |
| 84318 | Hyde Park, UT | 3.7 mi | B | 19 |
| 84326 | Millville, UT | 4.9 mi | N/A | 6 |
| 84335 | Smithfield, UT | 6.6 mi | C | 75 |
| 84319 | Hyrum, UT | 8.1 mi | B | 6 |
| 84322 | Logan, UT | 8.2 mi | N/A | 0 |
| 84325 | Mendon, UT | 8.6 mi | N/A | 29 |
| 84339 | Wellsville, UT | 9.6 mi | B | 6 |
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