Water Quality in Helm, CA: 2 Violations — Grade D
Grade D · Score 48/100 · 1 water system · Updated 2026-05-03
Helm's water has significant violations. Water testing and filtration are recommended.
Data: EPA Safe Drinking Water Information System (SDWIS) Last verified: 2026-05-03
Looking at EPA compliance data for Helm, CA, the record shows 2 violations — findings that span health-based exceedances, monitoring lapses, and enforcement events tied to local utilities in the SDWIS database.
Water Quality by ZIP Code in Helm
Water quality varies across Helm's 1 ZIP codes. Check your specific ZIP for detailed contaminant data.
| ZIP Code | Grade | Score | Violations | Health | |
|---|---|---|---|---|---|
| 93627 | D | 48 | 2 | 1 | View report → |
Water Quality Overview
Helm, California receives a water quality grade of D with an overall score of 48 out of 100, based on EPA compliance data from the Safe Drinking Water Information System (SDWIS).
The 1 water system serving Helm have accumulated 2 EPA violations, including 1 health-based violation. These violations are tracked across 1 ZIP codes serving approximately 105 people.
What Grade D Means
A grade of D indicates significant compliance issues. Helm'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 Helm water systems is 0.0140 mg/L — within EPA limits. No ZIP codes exceed the EPA lead action level.
Radon Risk
Helm is in EPA Radon Zone 2 (Moderate risk). Testing is recommended, especially for homes with basements or ground-level living spaces.
Water Systems Serving Helm
Helm is served by 1 community water system regulated under the Safe Drinking Water Act. These systems collectively serve approximately 105 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
How to Check Your Water in Helm
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 Helm Water Systems
The following contaminants have been detected or caused violations across Helm'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.
Helm vs. Nearby California Cities
How Helm's water quality compares to similar cities in California:
| City | Grade | Violations | Systems | Population |
|---|---|---|---|---|
| Helm | D | 2 | 1 | 105 |
| San Marino | A | 0 | 1 | 104 |
| Pioneer | C | 0 | 1 | 103 |
| Volcano | B | 1 | 1 | 103 |
Common Questions About Helm Water
These are the most common questions residents search for about water quality in Helm, California:
Is Helm water hard or soft? Water hardness varies by source. Helm's 1 water system uses a single source. Check your ZIP code report for specific hardness data.
Can I drink Helm tap water? Helm's water receives a grade of D (48/100). There are 1 health-based violations — consider filtration.
What is the best water filter for Helm? A NSF/ANSI 53-certified filter for lead removal is a good general choice. See our Water Filter Matcher for personalized recommendations.
Helm vs. California Average
Understanding how Helm 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 Helm.
ZIP Codes in Helm
Helm spans 1 ZIP code. The ZIP with the lowest water quality score is 93627. 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.