Water Quality in Blue Jay, CA: 2 Violations — Grade C
Grade C · Score 59/100 · 2 water systems · Updated 2026-05-03
Blue Jay'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
Local water systems serving Blue Jay, CA carry 2 EPA violations on record in the federal compliance database — documented events spanning categories from maximum contaminant level exceedances to monitoring requirements tracked by the national Safe Drinking Water program.
Water Quality by ZIP Code in Blue Jay
Water quality varies across Blue Jay's 1 ZIP codes. Check your specific ZIP for detailed contaminant data.
| ZIP Code | Grade | Score | Violations | Health | |
|---|---|---|---|---|---|
| 92317 | C | 59 | 2 | 0 | View report → |
Water Quality Overview
Blue Jay, California receives a water quality grade of C with an overall score of 59 out of 100, based on EPA compliance data from the Safe Drinking Water Information System (SDWIS).
The 2 water systems serving Blue Jay have accumulated 2 EPA violations (all monitoring/reporting type). These violations are tracked across 1 ZIP codes serving approximately 333 people.
What Grade C Means
A grade of C indicates moderate compliance issues. Blue Jay'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 Blue Jay water systems is 0.0130 mg/L — within EPA limits. No ZIP codes exceed the EPA lead action level.
With 67% of homes built before 1986, Blue Jay 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
Blue Jay is in EPA Radon Zone 2 (Moderate risk). Testing is recommended, especially for homes with basements or ground-level living spaces.
Water Systems Serving Blue Jay
Blue Jay is served by 2 community water systems regulated under the Safe Drinking Water Act. These systems collectively serve approximately 333 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 1 enforcement action against water systems serving Blue Jay. Enforcement actions range from informal compliance assistance to formal orders and penalties.
How to Check Your Water in Blue Jay
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 Blue Jay Water Systems
The following contaminants have been detected or caused violations across Blue Jay's water systems:
| Contaminant | Category | MCL | Violations | ZIPs Affected | Health-Based |
|---|---|---|---|---|---|
| Stage 1 DBP Rule | Treatment Technique | N/A | 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 1 enforcement action against water systems serving Blue Jay. Recent actions:
| Date | Action Type |
|---|---|
| 2025-02-19 | State Filed Suit |
Enforcement actions range from informal compliance assistance to formal orders and penalties. The most recent action was on 2025-02-19.
Blue Jay vs. Nearby California Cities
How Blue Jay's water quality compares to similar cities in California:
| City | Grade | Violations | Systems | Population |
|---|---|---|---|---|
| Blue Jay | C | 2 | 2 | 333 |
| Blocksburg | C | 0 | 1 | 330 |
| Myers Flat | A | 2 | 1 | 330 |
| Redcrest | C | 0 | 1 | 330 |
Common Questions About Blue Jay Water
These are the most common questions residents search for about water quality in Blue Jay, California:
Is Blue Jay water hard or soft? Water hardness varies by source. Blue Jay's 2 water systems use multiple sources. Check your ZIP code report for specific hardness data.
Can I drink Blue Jay tap water? Blue Jay's water receives a grade of C (59/100). No health-based violations have been recorded, but home testing is always recommended.
What is the best water filter for Blue Jay? A NSF/ANSI 53-certified filter for lead removal is a good general choice. See our Water Filter Matcher for personalized recommendations.
Blue Jay vs. California Average
Understanding how Blue Jay 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 Blue Jay.
ZIP Codes in Blue Jay
Blue Jay spans 1 ZIP code. The ZIP with the lowest water quality score is 92317. 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.