Water Quality Report · Updated October 07, 2026
LOGAN CITY WATER SYSTEM
LOGAN CITY WATER SYSTEM delivers tap water graded A (89/100) by TapWaterSafety.org. The utility serves approximately 55,540 residents in WELLSVILLE, Utah using groundwater. The most significant water quality concerns are: Arsenic significantly above health guideline; Chromium (hexavalent) significantly above health guideline. For questions, the utility can be reached at 435-716-9626.
Is WELLSVILLE tap water safe to drink?
LOGAN CITY WATER SYSTEM delivers tap water that earns a grade of A (89/100) from TapWaterSafety.org — an excellent rating reflecting minimal contamination and full compliance with health guidelines.
The utility serves 55,540 residents in WELLSVILLE, drawing from groundwater.
Public testing data identifies 6 contaminants in this water above EWG's health-based guidelines, including: Arsenic, Chromium (hexavalent), Total trihalomethanes (TTHMs), Bromodichloromethane, Radium, combined (-226 and -228), Nitrate. For most residents, a properly certified home filter at the kitchen tap is the most cost-effective way to reduce exposure to whatever's in your water. See our filter recommendations below, matched specifically to this utility's contaminant profile.
EPA compliance record
Official U.S. EPA records for LOGAN CITY WATER SYSTEM (system ID UTAH03010) for the last 3 years. Checked 2026-10-07.
Source: U.S. EPA Enforcement and Compliance History Online (ECHO), from the Safe Drinking Water Information System. See EPA's full report.
Quick actions for WELLSVILLE residents
Top concerns in this water
Based on the most recent EPA and EWG data, these are the most significant water quality issues for LOGAN CITY WATER SYSTEM.
Arsenic significantly above health guideline
Moderate concernArsenic detected at 0.38 ppb, 95x above the EWG health guideline of 0.004 ppb.
Chromium (hexavalent) significantly above health guideline
Moderate concernChromium (hexavalent) detected at 0.391 ppb, 20x above the EWG health guideline of 0.02 ppb.
Contact LOGAN CITY WATER SYSTEM
Reach the utility directly for service issues, water quality concerns, or to request your Consumer Confidence Report.
General Contact
Treatment Plant
Recommended water filters for WELLSVILLE
Filters matched to the specific contaminants in this water supply.
Reverse osmosis certified for arsenic (NSF/ANSI 58)
$429-$599Reverse osmosis certified under NSF/ANSI 58 for arsenic is the most reliable home option.
Disclosure: TapWaterSafety earns a commission from purchases made through these links. This does not influence our scoring methodology or filter selection.
Score breakdown
This utility's overall score of 89/100 breaks down across five weighted components. Read the full methodology →
Contaminants detected — international standards comparison
Every contaminant detected, compared side-by-side against US EPA legal limits, the EU Drinking Water Directive (2020/2184), WHO Guidelines, and California's Public Health Goal (the strictest US benchmark). Why we show multiple standards →
| Contaminant | Detected | EWG US health-based |
EPA US legal |
EU DWD Europe |
WHO global |
CA PHG strictest US |
Tested sample year |
Status |
|---|---|---|---|---|---|---|---|---|
| Arsenic Heavy metal |
0.38 ppb | 0.004 | 10.0 | 10 | 10 | 0.004 | — | 95× over |
| Chromium (hexavalent) Heavy metal |
0.391 ppb | 0.02 | — | — | — | — | — | 20× over |
| Total trihalomethanes (TTHMs) Disinfection byproduct |
1.11 ppb | 0.15 | 80.0 | 100 | — | — | — | 7.4× over |
| Bromodichloromethane Disinfection byproduct |
0.227 ppb | 0.06 | — | — | — | — | — | 3.8× over |
| Radium, combined (-226 and -228) Radiological |
0.17 pCi/L | 0.05 | 5.0 | — | — | — | — | 3.4× over |
| Nitrate Inorganic |
0.344 ppm | 0.14 | 10.0 | 11.3 | 11.3 | 10 | — | 2.5× over |
| Chloroform Disinfection byproduct |
0.316 ppb | 0.4 | — | — | — | — | — | Below guideline |
| Dibromochloromethane Disinfection byproduct |
0.0636 ppb | 0.1 | — | — | — | — | — | Below guideline |
| Barium Heavy metal |
60.8 ppb | 700.0 | 2000.0 | — | 1300 | 2000 | — | Below guideline |
| Vanadium Other |
0.6 ppb | 21.0 | — | — | — | — | — | Below guideline |
| Manganese Heavy metal |
0.329 ppb | 100.0 | — | 50 | 80 | — | — | Below guideline |
| Strontium Radiological |
0.157 ppb | 1500.0 | — | — | — | — | — | Below guideline |
| Fluoride Inorganic |
0.173 ppm | — | 4.0 | 1.5 | 1.5 | — | — | Below guideline |
| Lithium Other |
3.32 ppb | — | — | — | — | — | — | Below guideline |
All values in the unit of the detected level. Red cells indicate the detected level exceeds that standard. Some contaminants have limits in some jurisdictions but not others (shown as —). The "Tested" column shows the year each contaminant sample was collected.
Sources: US EPA, EU Drinking Water Directive 2020/2184, WHO Guidelines (4th ed.), California OEHHA PHGs, EWG Tap Water Database.
LOGAN CITY WATER SYSTEM service area
This water system serves 1 community in Cache County, Utah. Click any city for its dedicated tap water quality page.
Find the right filter for WELLSVILLE water
Browse filter categories by water-quality concern. Each option below is NSF-certified for the matched contaminant type.