City of Hansen
EPA ID: ID5420027 · 1,200 people served · 1 ZIP code
In the current EPA monitoring period, City of Hansen has 2 violations still listed as unresolved, with the utility supplying water to approximately 1,200 residents.
Data: EPA SDWIS Last verified: 2026-04-02
Service Area Map
Coverage area for City of Hansen Source: EPA SDWIS service area boundaries.
Service area boundary — Grade B
Service Area Demographics
The City of Hansen serves a community with a median household income of $57,065 and an estimated 2,428 residents across its service area. Approximately 78% of housing stock was built before 1986, which increases the likelihood of lead service lines and older plumbing.
💧 Where Does Your Water Come From?
City of Hansen's water is pumped from underground aquifers. Groundwater is naturally filtered through rock and soil, but it can be vulnerable to PFAS contamination, nitrates from agriculture, and industrial chemicals that seep into the water table.
About 1% of homes in Twin Falls County, Idaho rely on private wells rather than public water systems. Private well owners are responsible for their own water testing and treatment.
Infrastructure Risk
Detected Contaminants
How City of Hansen compares to EPA limits
What This Means For You
Consumer Confidence Report Rule at 2 mg/L exceeds the EPA maximum of mg/L.
Contaminant 0700 at 2 mg/L exceeds the EPA maximum of mg/L.
Lead and Copper Rule at 1 mg/L exceeds the EPA maximum of mg/L.
Comparable Water Systems
Similar-sized systems in Idaho
Estimated Remediation Costs
Average estimated costs across ZIP codes served by this system
Based on national averages for common remediation projects. Actual costs vary by property. Only issues flagged by EPA, FEMA, or state data for each ZIP code are included.
System Overview
City of Hansen (EPA ID: ID5420027) is a community water system in Idaho that serves approximately 1,200 people from groundwater sources.
This system serves ZIP code 83334 in Hansen.
Average Home Safety Score: B (82/100)
Based on water quality violations, lead levels, and radon risk across all ZIP codes served by this system.
Violation History
Recent Violations
| Date | Contaminant | Type | Status |
|---|---|---|---|
| September 2, 2025 | Lead and Copper Rule | Monitoring | Unresolved |
| June 22, 2025 | Contaminant 0700 | Health-based | Resolved |
| March 24, 2025 | Contaminant 0700 | Monitoring | Unresolved |
| October 1, 2024 | Consumer Confidence Report Rule | Monitoring | Resolved |
| April 1, 2024 | Consumer Confidence Report Rule | Monitoring | Resolved |
Contaminants Detected
The following contaminants have been flagged in EPA records for this water system:
| Contaminant | Category | Violations | Health-Based |
|---|---|---|---|
| Consumer Confidence Report Rule | Reporting Failure | 2 | No |
| Contaminant 0700 | Other Violation | 2 | Yes |
| Lead and Copper Rule | Treatment Failure | 1 | No |
Lead & Copper
EPA Lead and Copper Rule sampling data for ZIP codes served by this system:
| ZIP Code | Lead Level | Exceeds Limit | Sample Date |
|---|---|---|---|
| 83334 | 0.002 mg/L | No | N/A |
Radon Risk in Service Area
Dominant radon zone for ZIP codes served by this system: Zone 2 (Moderate Risk)
The EPA recommends testing homes in Zone 1 and Zone 2 areas for radon.
Need help with your water quality?
Typical cost: Water test: typically $20–$50 (DIY kit) · Professional inspection: $150–$400
Find the Right Water FilterFree tip: Let cold water run for 2 minutes before drinking — this helps flush lead from your pipes.
ZIP Codes Served
- 83334 — Hansen
Data Sources
This report uses public data from the EPA Safe Drinking Water Information System (SDWIS). View the full compliance record for City of Hansen (ID5420027) on EPA.gov.
Frequently Asked Questions
Is City of Hansen water safe to drink?
City of Hansen has recorded 1 health-based violation in the past 5 years. While the system is required to treat water to meet federal standards, you may want to consider additional precautions such as a certified water filter.
How many people does City of Hansen serve?
City of Hansen serves approximately 1,200 people across 1 ZIP code in Idaho.
Where does City of Hansen get its water?
The primary water source is groundwater.
Lead Service Line Inventory
Service line breakdown reported under the federal Lead and Copper Rule Improvements (LCRI) inventory requirement:
This system reports zero confirmed lead service lines in its inventory. Unknown-material counts may still warrant verification.
Federal LCRI rule (effective October 2024) requires every public water system to inventory its service lines and complete lead-line replacement within 10 years.
Source: EPA SDWIS Federal Service Line Inventory (Phase 2) · Submitted 2026
ZipCheckup is not affiliated with the utility or state agency. Inventory figures render verbatim from the public LCRI submission cited above; ZipCheckup does not perform inspections or replacements.
Frequently Asked Questions
What You Can Do
Test your water
Home test kits can detect lead, bacteria, and other contaminants at your tap. Find the right filter →
Check your specific ZIP code
Water quality can vary within a system. View nearest ZIP report →
Contact your utility
City of Hansen (EPA ID: ID5420027) — request the latest Consumer Confidence Report or ask about specific contaminants.