Is Logan, UT Tap Water Safe to Drink?
Logan tap water meets federal Safe Drinking Water Act standards but 1 of 2 ZIP codes show detections above EPA health guidelines, primarily for lithium. A certified filter is recommended for households that want an additional layer of protection.
Where Does Logan Get Its Water?
Water in Logan, UT is provided by 3 public water systems: LOGAN CITY WATER SYSTEM, NIBLEY CITY WATER and UTAH STATE UNIVERSITY.
How Is Logan Tap Water Treated?
Treated water is disinfected using calcium hypochlorite and free chlorine and chloramines. Treatment includes groundwater disinfection.
What's in Logan Tap Water?
The following contaminants were detected most frequently in Logan public water systems. 1 of 2 ZIP codes showed detections above EPA health guidelines.
| Contaminant | Peak detected | EPA guideline | ZIPs detected | Status |
|---|---|---|---|---|
| lithium | 11 µg/L | 10 µg/L | 1 ZIP | Above guideline |
| PFTrDA | 0.007 µg/L | — | 0 ZIPs | Within guideline |
| PFBA | 0.005 µg/L | — | 0 ZIPs | Within guideline |
| 8:2 FTS | 0.005 µg/L | — | 0 ZIPs | Within guideline |
| HFPO-DA | 0.005 µg/L | — | 0 ZIPs | Within guideline |
Health Risk Profile for Logan
Based on EPA monitoring data, 1 of 2 ZIP codes in Logan have recorded detections above EPA health guidelines. Sensitive populations such as infants, pregnant individuals, and those with weakened immune systems may benefit from an additional layer of protection such as a certified point-of-use filter.
Best Broad-Spectrum Filters for This Water Profile
This city profile includes PFAS detections, chlorine disinfection, and other dissolved contaminants. Reverse osmosis (RO) systems certified under NSF/ANSI 58 provide broad reduction coverage; for PFAS specifically, confirm NSF/ANSI P473 or equivalent PFAS reduction certification.
8-stage tankless RO system certified to NSF/ANSI 58, reduces 1,000+ contaminants including PFAS, lead, arsenic, fluoride, and nitrates.
See recommendations matched to your exact address: choose your ZIP code below.
Frequently Asked Questions about Logan Tap Water
Is Logan tap water safe to drink?
Logan tap water meets Safe Drinking Water Act requirements but 1 of 2 ZIP codes show contaminant levels above EPA health-based guidelines. A certified point-of-use filter adds an extra layer of protection.
What contaminants are in Logan tap water?
The most commonly detected contaminants in Logan water systems include: lithium, PFTrDA, PFBA. See the ZIP-level reports for exact measurements and EPA guideline comparisons.
Where does Logan get its drinking water?
Logan receives water from 3 public water systems, including LOGAN CITY WATER SYSTEM.
Do I need a water filter in Logan?
If your ZIP code is among those with detections above EPA health guidelines, choose a filter certified for the specific contaminants shown in your ZIP report. Reverse osmosis is generally the broadest option for PFAS, lithium, and many other dissolved contaminants.
How often is Logan tap water tested?
Public water systems in Logan are required by the EPA to test for regulated contaminants on schedules ranging from daily (for microbials and disinfectants) to annual or triennial (for many chemical contaminants). Results are published in annual Consumer Confidence Reports (CCRs). The data on this page reflects the most recent available EPA monitoring results, with the latest sample date of 2025-11-11.
Tap water reports by ZIP in Logan
- 84321 - East Cache CCD, Logan tap water report Higher concern
- 84322 - Logan CCD, Logan tap water report Some concern
Water utilities serving Logan, UT
Service area boundaries are approximate and based on state filings or modeled estimates. Contact your utility to confirm exact service at a specific address.
- LOGAN CITY WATER SYSTEMAction advised
- UTAH STATE UNIVERSITYLooks OK
Also covers / overlaps with
- Logan CCD, UT · Township
- Benson, UT · CDP
- East Cache CCD, UT · Township
- Nibley, UT