Water Quality in Valley Ford, CA: 25 Violations — Grade C
Grade C · Score 60/100 · 1 water system · Updated 2026-05-03
Valley Ford'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
Reviewing EPA compliance files for Valley Ford, CA surfaces 25 documented water violations — each categorized by violation type and linked to the utility that drew the federal citation.
Water Quality by ZIP Code in Valley Ford
Water quality varies across Valley Ford's 1 ZIP codes. Check your specific ZIP for detailed contaminant data.
| ZIP Code | Grade | Score | Violations | Health | |
|---|---|---|---|---|---|
| 94972 | C | 60 | 25 | 24 | View report → |
Violation Trend
EPA violations recorded for water systems serving Valley Ford.
Water Quality Overview
Valley Ford, California receives a water quality grade of C with an overall score of 60 out of 100, based on EPA compliance data from the Safe Drinking Water Information System (SDWIS).
The 1 water system serving Valley Ford have accumulated 25 EPA violations, including 24 health-based violations. These violations are tracked across 1 ZIP codes serving approximately 88 people.
What Grade C Means
A grade of C indicates moderate compliance issues. Valley Ford'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 Valley Ford water systems is 0.0090 mg/L — within EPA limits. No ZIP codes exceed the EPA lead action level.
Water Systems Serving Valley Ford
Valley Ford is served by 1 community water system regulated under the Safe Drinking Water Act. These systems collectively serve approximately 88 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 Valley Ford. Enforcement actions range from informal compliance assistance to formal orders and penalties.
How to Check Your Water in Valley Ford
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 Valley Ford Water Systems
The following contaminants have been detected or caused violations across Valley Ford's water systems:
| Contaminant | Category | MCL | Violations | ZIPs Affected | Health-Based |
|---|---|---|---|---|---|
| Lead | Inorganic | 0.015 mg/L | 15 | 1 | Yes |
| Haloacetic Acids (HAA5) | Disinfection Byproducts | 0.06 mg/L | 5 | 1 | Yes |
| Total Trihalomethanes (TTHM) | Disinfection Byproducts | 0.08 mg/L | 3 | 1 | Yes |
| 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.
Violation Trend Over Time
Year-by-year EPA violations recorded for water systems serving Valley Ford:
| Year | Total Violations | Health-Based |
|---|---|---|
| 2023 | 7 | 7 |
| 2024 | 5 | 5 |
| 2025 | 3 | 3 |
Violations have decreased from 7 in 2023 to 3 in 2025, indicating improving compliance.
EPA Enforcement History
The EPA and state regulators have taken 1 enforcement action against water systems serving Valley Ford. Recent actions:
| Date | Action Type |
|---|---|
| 2021-01-08 | State Order Extension |
Enforcement actions range from informal compliance assistance to formal orders and penalties. The most recent action was on 2021-01-08.
Valley Ford vs. Nearby California Cities
How Valley Ford's water quality compares to similar cities in California:
| City | Grade | Violations | Systems | Population |
|---|---|---|---|---|
| Valley Ford | C | 25 | 1 | 88 |
| Calpella | C | 0 | 1 | 90 |
| Clarksburg | B | 0 | 1 | 90 |
| Clipper Mills | A | 2 | 1 | 90 |
Common Questions About Valley Ford Water
These are the most common questions residents search for about water quality in Valley Ford, California:
Is Valley Ford water hard or soft? Water hardness varies by source. Valley Ford's 1 water system uses a single source. Check your ZIP code report for specific hardness data.
Can I drink Valley Ford tap water? Valley Ford's water receives a grade of C (60/100). There are 24 health-based violations — consider filtration.
What is the best water filter for Valley Ford? A NSF/ANSI 53-certified filter for lead removal is a good general choice. See our Water Filter Matcher for personalized recommendations.
Valley Ford vs. California Average
Understanding how Valley Ford 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 Valley Ford.
ZIP Codes in Valley Ford
Valley Ford spans 1 ZIP code. The ZIP with the lowest water quality score is 94972. 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.