Water Quality in Forest Ranch, CA: 8 Violations — Grade A
Grade A · Score 87/100 · 3 water systems · Updated 2026-05-03
Forest Ranch's water meets all EPA standards with no health-based violations.
Data: EPA Safe Drinking Water Information System (SDWIS) Last verified: 2026-05-03
EPA monitoring has flagged 8 reportable events for water systems in Forest Ranch, CA.
Water Quality by ZIP Code in Forest Ranch
Water quality varies across Forest Ranch's 1 ZIP codes. Check your specific ZIP for detailed contaminant data.
| ZIP Code | Grade | Score | Violations | Health | |
|---|---|---|---|---|---|
| 95942 | A | 87 | 8 | 2 | View report → |
Water Quality Overview
Forest Ranch, California receives a water quality grade of A with an overall score of 87 out of 100, based on EPA compliance data from the Safe Drinking Water Information System (SDWIS).
The 3 water systems serving Forest Ranch have accumulated 8 EPA violations, including 2 health-based violations. These violations are tracked across 1 ZIP codes serving approximately 217 people.
What Grade A Means
A grade of A indicates excellent compliance with EPA drinking water standards. Forest Ranch's water systems have maintained strong performance in both contaminant monitoring and regulatory compliance.
Lead Levels
The average 90th percentile lead level across Forest Ranch water systems is 0.0017 mg/L — within EPA limits. No ZIP codes exceed the EPA lead action level.
With 47% of homes built before 1986, Forest Ranch 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.
Water Systems Serving Forest Ranch
Forest Ranch is served by 3 community water systems regulated under the Safe Drinking Water Act. These systems collectively serve approximately 217 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 8 enforcement actions against water systems serving Forest Ranch. Enforcement actions range from informal compliance assistance to formal orders and penalties.
How to Check Your Water in Forest Ranch
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 Forest Ranch Water Systems
The following contaminants have been detected or caused violations across Forest Ranch's water systems:
| Contaminant | Category | MCL | Violations | ZIPs Affected | Health-Based |
|---|---|---|---|---|---|
| Stage 2 DBP Rule | Treatment Technique | N/A | 4 | 1 | Yes |
| Stage 1 DBP Rule | Treatment Technique | N/A | 2 | 1 | No |
| Surface Water Treatment 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 8 enforcement actions against water systems serving Forest Ranch. Recent actions:
| Date | Action Type |
|---|---|
| 2023-11-21 | State Filed Judgment |
| 2023-11-02 | State Order Extension |
| 2023-03-01 | State Order Extension |
| 2023-02-21 | State Filed Judgment |
| 2021-11-18 | State Order Extension |
| 2021-10-18 | State Filed Judgment |
| 2021-09-30 | State Filed Judgment |
| 2021-09-15 | State Order Extension |
Enforcement actions range from informal compliance assistance to formal orders and penalties. The most recent action was on 2023-11-21.
Forest Ranch vs. Nearby California Cities
How Forest Ranch's water quality compares to similar cities in California:
| City | Grade | Violations | Systems | Population |
|---|---|---|---|---|
| Forest Ranch | A | 8 | 3 | 217 |
| Elk Creek | A | 0 | 1 | 212 |
| Stonyford | B | 0 | 1 | 212 |
| Stevenson Ranch | C | 0 | 1 | 211 |
Common Questions About Forest Ranch Water
These are the most common questions residents search for about water quality in Forest Ranch, California:
Is Forest Ranch water hard or soft? Water hardness varies by source. Forest Ranch's 3 water systems use multiple sources. Check your ZIP code report for specific hardness data.
Can I drink Forest Ranch tap water? Forest Ranch's water receives a grade of A (87/100). There are 2 health-based violations — consider filtration.
What is the best water filter for Forest Ranch? A NSF/ANSI 53-certified filter for lead removal is a good general choice. See our Water Filter Matcher for personalized recommendations.
Forest Ranch vs. California Average
Understanding how Forest Ranch 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 Forest Ranch.
ZIP Codes in Forest Ranch
Forest Ranch spans 1 ZIP code. The ZIP with the lowest water quality score is 95942. 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.
Frequently Asked Questions
Your Water is Safe — Here's How to Keep It That Way
Grade A is excellent news. Here's what proactive homeowners do to maintain water quality:
Annual Water Testing
EPA recommends annual testing even with clean water. Home test kits: $20-$50. Catches changes before they become problems.
Maintenance Filtration
A basic carbon filter removes chlorine taste and catches emerging contaminants like PFAS that aren't yet fully regulated.
Plumbing Check
Even safe city water picks up lead from home pipes. If your home was built before 1986, a one-time pipe inspection is recommended.