Water Quality in Mi Wuk Village, CA: 4 Violations — Grade C
Grade C · Score 55/100 · 3 water systems · Updated 2026-05-03
Mi Wuk Village'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
Tracked under the EPA Safe Drinking Water program, Mi Wuk Village, CA shows 4 water violations on file — findings that span multiple violation categories and are detailed system by system in the data grid further down the page.
Water Quality by ZIP Code in Mi Wuk Village
Water quality varies across Mi Wuk Village's 1 ZIP codes. Check your specific ZIP for detailed contaminant data.
| ZIP Code | Grade | Score | Violations | Health | |
|---|---|---|---|---|---|
| 95346 | C | 55 | 4 | 1 | View report → |
Water Quality Overview
Mi Wuk Village, California receives a water quality grade of C with an overall score of 55 out of 100, based on EPA compliance data from the Safe Drinking Water Information System (SDWIS).
The 3 water systems serving Mi Wuk Village have accumulated 4 EPA violations, including 1 health-based violation. These violations are tracked across 1 ZIP codes serving approximately 2,630 people.
What Grade C Means
A grade of C indicates moderate compliance issues. Mi Wuk Village'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 Mi Wuk Village water systems is 0.0120 mg/L — within EPA limits. No ZIP codes exceed the EPA lead action level.
With 81% of homes built before 1986, Mi Wuk Village has a higher-than-average risk of lead from older plumbing. Lead solder was banned in 1986, and homes built before this date may have lead in pipes, solder joints, or fixtures.
Radon Risk
Mi Wuk Village is in EPA Radon Zone 2 (Moderate risk). Testing is recommended, especially for homes with basements or ground-level living spaces.
Water Systems Serving Mi Wuk Village
Mi Wuk Village is served by 3 community water systems regulated under the Safe Drinking Water Act. These systems collectively serve approximately 2,630 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 5 enforcement actions against water systems serving Mi Wuk Village. Enforcement actions range from informal compliance assistance to formal orders and penalties.
How to Check Your Water in Mi Wuk Village
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 Mi Wuk Village Water Systems
The following contaminants have been detected or caused violations across Mi Wuk Village's water systems:
| Contaminant | Category | MCL | Violations | ZIPs Affected | Health-Based |
|---|---|---|---|---|---|
| Stage 2 DBP Rule | Treatment Technique | N/A | 2 | 1 | Yes |
| Lead | Inorganic | 0.015 mg/L | 1 | 1 | No |
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 5 enforcement actions against water systems serving Mi Wuk Village. Recent actions:
| Date | Action Type |
|---|---|
| 2025-09-15 | State Order Extension |
| 2025-08-27 | State Filed Judgment |
| 2024-11-26 | State Filed Suit |
| 2023-06-15 | State Order Extension |
| 2023-03-09 | State Filed Suit |
Enforcement actions range from informal compliance assistance to formal orders and penalties. The most recent action was on 2025-09-15.
Mi Wuk Village vs. Nearby California Cities
How Mi Wuk Village's water quality compares to similar cities in California:
| City | Grade | Violations | Systems | Population |
|---|---|---|---|---|
| Mi Wuk Village | C | 4 | 3 | 2,630 |
| Mount Laguna | C | 0 | 1 | 2,645 |
| Burrel | D | 0 | 1 | 2,613 |
| Raisin City | D | 0 | 1 | 2,613 |
Common Questions About Mi Wuk Village Water
These are the most common questions residents search for about water quality in Mi Wuk Village, California:
Is Mi Wuk Village water hard or soft? Water hardness varies by source. Mi Wuk Village's 3 water systems use multiple sources. Check your ZIP code report for specific hardness data.
Can I drink Mi Wuk Village tap water? Mi Wuk Village's water receives a grade of C (55/100). There are 1 health-based violations — consider filtration.
What is the best water filter for Mi Wuk Village? A NSF/ANSI 53-certified filter for lead removal is a good general choice. See our Water Filter Matcher for personalized recommendations.
Mi Wuk Village vs. California Average
Understanding how Mi Wuk Village compares to the broader California 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 Mi Wuk Village.
ZIP Codes in Mi Wuk Village
Mi Wuk Village spans 1 ZIP code. The ZIP with the lowest water quality score is 95346. 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.