Water Quality in Dover, ID: 2 Violations — Grade D
Grade D · Score 46/100 · 1 water system · Updated 2026-05-03
Dover's water has significant violations. Water testing and filtration are recommended.
Data: EPA Safe Drinking Water Information System (SDWIS) Last verified: 2026-05-03
The compliance record maintained by the EPA for Dover, ID documents 2 water violations — each tied to a specific public water system and assigned a violation category in the federal Safe Drinking Water dataset.
Water Quality by ZIP Code in Dover
Water quality varies across Dover's 1 ZIP codes. Check your specific ZIP for detailed contaminant data.
| ZIP Code | Grade | Score | Violations | Health | |
|---|---|---|---|---|---|
| 83825 | D | 46 | 2 | 1 | View report → |
Water Quality Overview
Dover, Idaho receives a water quality grade of D with an overall score of 46 out of 100, based on EPA compliance data from the Safe Drinking Water Information System (SDWIS).
The 1 water system serving Dover have accumulated 2 EPA violations, including 1 health-based violation. These violations are tracked across 1 ZIP codes serving approximately 865 people.
What Grade D Means
A grade of D indicates significant compliance issues. Dover's water systems have accumulated violations that suggest ongoing water quality challenges. Residents should check their specific ZIP code report and consider water testing or filtration.
Lead Levels
The average 90th percentile lead level across Dover water systems is 0.0140 mg/L — within EPA limits. No ZIP codes exceed the EPA lead action level.
Radon Risk
Dover is in EPA Radon Zone 1 (High risk). The EPA recommends all homes in Zone 1 areas be tested for radon. Radon is the second leading cause of lung cancer after smoking.
Water Systems Serving Dover
Dover is served by 1 community water system regulated under the Safe Drinking Water Act. These systems collectively serve approximately 865 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 4 enforcement actions against water systems serving Dover. Enforcement actions range from informal compliance assistance to formal orders and penalties.
How to Check Your Water in Dover
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
Contaminants Detected in Dover Water Systems
The following contaminants have been detected or caused violations across Dover's water systems:
| Contaminant | Category | MCL | Violations | ZIPs Affected | Health-Based |
|---|---|---|---|---|---|
| Stage 2 DBP Rule | Treatment Technique | N/A | 2 | 1 | Yes |
MCL = Maximum Contaminant Level (EPA enforceable standard). Health-based violations indicate levels that may pose direct health risks.
EPA Enforcement History
The EPA and state regulators have taken 4 enforcement actions against water systems serving Dover. Recent actions:
| Date | Action Type |
|---|---|
| 2024-12-31 | State Order Extension |
| 2024-12-30 | State Informal Action |
| 2024-11-17 | State Informal Enforcement |
| 2024-11-14 | State Informal Action |
Enforcement actions range from informal compliance assistance to formal orders and penalties. The most recent action was on 2024-12-31.
Dover vs. Nearby Idaho Cities
How Dover's water quality compares to similar cities in Idaho:
| City | Grade | Violations | Systems | Population |
|---|---|---|---|---|
| Dover | D | 2 | 1 | 865 |
| Troy | C | 8 | 1 | 850 |
| Greenleaf | B | 1 | 1 | 846 |
| Inkom | B | 3 | 3 | 844 |
Common Questions About Dover Water
These are the most common questions residents search for about water quality in Dover, Idaho:
Is Dover water hard or soft? Water hardness varies by source. Dover's 1 water system uses a single source. Check your ZIP code report for specific hardness data.
Can I drink Dover tap water? Dover's water receives a grade of D (46/100). There are 1 health-based violations — consider filtration.
What is the best water filter for Dover? A NSF/ANSI 53-certified filter for lead removal is a good general choice. See our Water Filter Matcher for personalized recommendations.
Dover vs. Idaho Average
Understanding how Dover 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 Dover.
ZIP Codes in Dover
Dover spans 1 ZIP code. The ZIP with the lowest water quality score is 83825. 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.