Water Quality in Garden City, ID: 1 Violation — Grade C
Grade C · Score 56/100 · 4 water systems · Updated 2026-05-03
Garden City's water has moderate compliance issues. Residents in affected areas should consider filtration.
Data: EPA Safe Drinking Water Information System (SDWIS) Last verified: 2026-05-03
The compliance history for Garden City, ID includes 1 water violation on file with the EPA — a federal tally that spans health-based exceedances, monitoring failures, and enforcement actions logged under the Safe Drinking Water Act.
Water Quality by ZIP Code in Garden City
Water quality varies across Garden City's 1 ZIP codes. Check your specific ZIP for detailed contaminant data.
| ZIP Code | Grade | Score | Violations | Health | |
|---|---|---|---|---|---|
| 83714 | C | 56 | 1 | 0 | View report → |
Water Quality Overview
Garden City, Idaho receives a water quality grade of C with an overall score of 56 out of 100, based on EPA compliance data from the Safe Drinking Water Information System (SDWIS).
The 4 water systems serving Garden City have accumulated 1 EPA violations (all monitoring/reporting type). These violations are tracked across 1 ZIP codes serving approximately 12,741 people.
What Grade C Means
A grade of C indicates moderate compliance issues. Garden City's water systems have some violations that warrant attention. While the water may still be safe for most people, residents in affected ZIP codes should consider additional testing or filtration.
Lead Levels
The average 90th percentile lead level across Garden City water systems is 0.0130 mg/L — within EPA limits. No ZIP codes exceed the EPA lead action level.
Radon Risk
Garden City is in EPA Radon Zone 2 (Moderate risk). Testing is recommended, especially for homes with basements or ground-level living spaces.
Water Systems Serving Garden City
Garden City is served by 4 community water systems regulated under the Safe Drinking Water Act. These systems collectively serve approximately 12,741 people across 1 ZIP codes.
Each water system is identified by a Public Water System ID (PWSID) and is required to:
- Test for over 90 regulated contaminants on a regular schedule
- Report results to the EPA and state regulators
- Issue an annual Consumer Confidence Report (CCR) to all customers
- Take corrective action when violations occur
The EPA has taken 7 enforcement actions against water systems serving Garden City. Enforcement actions range from informal compliance assistance to formal orders and penalties.
How to Check Your Water in Garden City
Enter your ZIP code on ZipCheckup to see your specific water system data, including contaminant levels, violation history, and safety scores
Request your CCR — your water utility must provide an annual Consumer Confidence Report with detailed test results for all monitored contaminants
Get a home test — certified kits cost $20–$50 and test for lead, bacteria, and common contaminants. Professional lab tests ($150–$400) cover a broader panel
Consider filtration — NSF-certified filters can remove specific contaminants. Reverse osmosis removes the broadest range; activated carbon is effective for chlorine and many organics
Check for advisories — monitor your local utility website and local news for boil water advisories or system alerts
EPA Enforcement History
The EPA and state regulators have taken 7 enforcement actions against water systems serving Garden City. Recent actions:
| Date | Action Type |
|---|---|
| 2023-08-17 | State Order Extension |
| 2023-08-10 | State Informal Enforcement |
| 2023-08-07 | State Informal Action |
| 2023-01-16 | State Informal Enforcement |
| 2023-01-13 | State Informal Action |
| 2022-11-29 | State Order Extension |
| 2021-12-20 | State Filed Suit |
Enforcement actions range from informal compliance assistance to formal orders and penalties. The most recent action was on 2023-08-17.
Garden City vs. Nearby Idaho Cities
How Garden City's water quality compares to similar cities in Idaho:
| City | Grade | Violations | Systems | Population |
|---|---|---|---|---|
| Garden City | C | 1 | 4 | 12,741 |
| Blackfoot | B | 6 | 5 | 12,692 |
| Colburn | D | 0 | 1 | 12,284 |
| Kootenai | D | 0 | 1 | 12,284 |
Common Questions About Garden City Water
These are the most common questions residents search for about water quality in Garden City, Idaho:
Is Garden City water hard or soft? Water hardness varies by source. Garden City's 4 water systems use multiple sources. Check your ZIP code report for specific hardness data.
Can I drink Garden City tap water? Garden City's water receives a grade of C (56/100). No health-based violations have been recorded, but home testing is always recommended.
What is the best water filter for Garden City? A NSF/ANSI 53-certified filter for lead removal is a good general choice. See our Water Filter Matcher for personalized recommendations.
Garden City vs. Idaho Average
Understanding how Garden City compares to the broader Idaho average helps contextualize your local water quality. Factors like water source, treatment methods, and infrastructure age all contribute to differences between cities in the same state.
To see how individual neighborhoods compare, check the ZIP code reports below — water quality can vary significantly even within Garden City.
ZIP Codes in Garden City
Garden City spans 1 ZIP code. The ZIP with the lowest water quality score is 83714. Each ZIP code has its own water quality profile based on the specific water system serving that area. Check each ZIP code for detailed contaminant data, violation history, and system information.
Data Sources
- Water quality: EPA Safe Drinking Water Information System (SDWIS)
- Lead/copper: EPA Lead and Copper Rule sampling data
- Radon: EPA Map of Radon Zones
- Enforcement: EPA ECHO database
- Filter recommendations: NSF/ANSI certified products
Updated daily.