B75/100
Hansen Tap Water Quality: Is It Safe to Drink? (2026 Report)
Serving 1,200 residents · Idaho
What's In Hansen's Tap Water?
1
Contaminants Tested
0
Exceed EPA Limits
0
Above EPA Goals
EPA Violation History
3
Violations (last 5yr)
2
Unresolved
1
Health-Related
TIER 3Unresolved
Disinfection byproduct treatment technique failure
TIER 2Resolved
Violation related to Consumer Confidence Report
When: June 22, 2025 – July 30, 2025Rule: Consumer Confidence RuleEnforcement: Resolving — corrective action underway
TIER 3Unresolved
Violation related to Consumer Confidence Report
When: March 24, 2025Rule: Consumer Confidence RuleEnforcement: Informal — resolved cooperativelyVerify on EPA.gov
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
Water Utility Details
HANSEN CITY OF
Population Served
1,200
Water Source
Groundwater
System ID
ID5420027
Frequently Asked Questions About Hansen Water
Is Hansen tap water safe to drink?
Hansen, Idaho tap water receives a grade of B (75/100), which is considered good. Out of 1 contaminants tested, none exceed EPA maximum contaminant levels (MCLs). While the water meets federal standards, some residents may still choose to use a filter for additional peace of mind.
What contaminants are in Hansen's water?
1 contaminants were tested in Hansen's water supply. No contaminants exceed EPA legal limits (MCLs) or health goals (MCLGs), which is a positive indicator of water quality.
Does Hansen have any water quality violations?
Yes, Hansen has 9 EPA violation(s) on record, with the most recent in 2025. Violation types include Other, TT, MCL. 4 of these are health-based violations, which are the most serious category.
Do I need a water filter in Hansen?
Hansen water meets EPA standards, so a filter is not strictly necessary. However, some residents prefer the added security of a water filter. EPA health goals (MCLGs) are stricter than legal limits and are set at levels with zero expected health risk. All contaminants are within health goals.
Where does Hansen's tap water come from?
Hansen's drinking water is sourced from groundwater and supplied by HANSEN CITY OF. The system serves approximately 1,200 people. Groundwater is pumped from underground aquifers, which often provides natural filtration.
How often is Hansen's water tested?
Under the Safe Drinking Water Act (SDWA), water utilities are required to regularly test for over 90 contaminants. Testing frequency varies by contaminant — some are tested monthly, others quarterly or annually. Hansen's water systems must report results to the EPA and publish an annual Consumer Confidence Report (CCR). The data on this page reflects the latest available EPA testing data.
How does Hansen's water compare to other cities in Idaho?
Hansen's water quality score of 75/100 earns a grade of B, which is considered good. This is an above-average score compared to many cities nationwide. Visit our Idaho state page to see how all cities in the state compare.
What should I do if I'm concerned about Hansen's water quality?
If you have concerns about Hansen's tap water, consider these steps: (1) Request your utility's annual Consumer Confidence Report for detailed local data. (2) Get your water independently tested through a state-certified laboratory. (3) Consider an NSF-certified water filter rated for the contaminants found in your area. (4) Contact your water utility (HANSEN CITY OF) with specific questions. (5) Report water quality issues to your state drinking water program or the EPA Safe Drinking Water Hotline at 800-426-4791.