Water System Report CA

Rolling Oaks Road Association

EPA ID: CA4900846 ยท 25 people served ยท 1 ZIP code

ZipCheckup's reading of EPA records for Rolling Oaks Road Association (CA4900846): no drinking-water violations recorded since 2021. EPA data: Rolling Oaks Road Association - zero violation entries, 25 served.

Data: EPA SDWIS

25
People Served
1
ZIP Code Served
0
Violations (since 2021)
Groundwater
Water Source
Below the reporting limit
Most recent lead 90th percentile on record (monitoring period ending 2023-12-31)
0
Contaminants Flagged
$808K
Median Home Value in ZIP Codes Served

Service Area Map

Coverage area for Rolling Oaks Road Association Source: EPA SDWIS service area boundaries.

Service area boundary

Demographics of ZIP Codes Served

$105,736
Median Household Income
25,960
Population of ZIP Codes Served (Census)
8%
Disadvantaged Population
30th
Poverty Percentile
20th
Energy Burden Percentile
65%
Pre-1986 Housing

The ZIP codes associated with Rolling Oaks Road Association have a median household income of $105,736 and about 25,960 residents live in those ZIP codes (Census; not the number of people this system supplies). Approximately 65% of housing stock was built before 1986, which increases the likelihood of lead service lines and older plumbing.

๐Ÿ’ง Where Does Your Water Come From?

Groundwater

Rolling Oaks Road Association's water is classified in EPA records as a groundwater source. Groundwater is naturally filtered through rock and soil, but it can be vulnerable to PFAS contamination, nitrates from agriculture, and industrial chemicals that seep into the water table.

Low Risk
Source Contamination Risk
20th
Wastewater Discharge Proximity
20th
Superfund Site Proximity

Infrastructure Risk

55 yr
Estimated pipe age (modeled from housing age)
Copper
Likely pipe material (modeled)
15 yr
Est. Remaining Life
Moderate Wear
Decay Status
Installed 79% of expected lifespan used (estimate) End of life

Comparable Water Systems

Similar-sized systems in California

5 violations
A 0 violations
3 violations
B 0 violations
Rosecrest Mutual
31 people
0 violations

Estimated Remediation Costs

Average estimated costs across ZIP codes served by this system

Water Filtration
Water Filtration $300
Total Estimated Cost $300

Based on national averages for common remediation projects. Actual costs vary by property. Only issues flagged by EPA, FEMA, or state data for each ZIP code are included.

System Overview

Rolling Oaks Road Association (EPA ID: CA4900846) is a community water system in California that serves approximately 25 people from groundwater sources.

This system serves ZIP code 95409 in Santa Rosa.

Violation History

No accepted violation records in the 2021-2026 window - The accepted EPA ECHO 2026Q2 snapshot contains zero violation records for this system whose record year falls from 2021 through 2026, inclusive. This is not a tap-water safety guarantee.

Lead & Copper

EPA Lead and Copper Rule evidence attributed directly to this water system:

Lead Level Exceeds Action Level Sample Date
Below the reporting limit No 2023-12-31

No copper action-level exceedance record appears for this PWSID in the accepted LCR snapshot. This does not establish a clean copper measurement.

Need help with your water quality?

Typical cost: Water test: typically $20โ€“$50 (DIY kit) ยท Professional inspection: $150โ€“$400

Find the Right Water Filter

Free tip: Ask your water utility whether running cold water for 2 minutes is enough to flush your plumbing before drinking.

ZIP Codes Served

Coverage: Service area ZIP codes sourced from EPA Community Water System Service Area Boundaries v3 (March 2026 release). These ZIPs reflect the actual deployment footprint recorded by CA or modeled from parcel and building-footprint data.

Data Sources

This report uses public data from the EPA Safe Drinking Water Information System (SDWIS). View available EPA compliance records for Rolling Oaks Road Association (CA4900846) on EPA.gov.

Frequently Asked Questions

Is Rolling Oaks Road Association water safe to drink?

The accepted 2026Q2 ECHO snapshot contains zero violation records for Rolling Oaks Road Association in the inclusive 2021-2026 record-year window. This is a compliance-record finding, not a guarantee about water at a specific tap.

How many people does Rolling Oaks Road Association serve?

Rolling Oaks Road Association serves approximately 25 people across 1 ZIP code in California.

Where does Rolling Oaks Road Association get its water?

The primary water source is groundwater.

Frequently Asked Questions

Should I use a water filter? ▼
No EPA drinking-water violations since 2021 are on record for Rolling Oaks Road Association; this page does not establish contaminant levels at your tap. That is a compliance record, not a guarantee about the water at your tap; a certified filter can target a specific contaminant you are concerned about.
How many people does Rolling Oaks Road Association serve? ▼
Rolling Oaks Road Association serves approximately 25 people with drinking water across 1 ZIP code.
What is Rolling Oaks Road Association's water source? ▼
Rolling Oaks Road Association draws water from groundwater sources. Source type affects which contaminants are most likely to be present.
Is there lead in Rolling Oaks Road Association's water? ▼
The reported 90th-percentile lead result is below the laboratory reporting limit, not a measured zero; EPA's health goal for lead is zero. This is at or below the EPA lead action level, which triggers system action and is not a safe level; the EPA health goal for lead is zero.
What is the demographic profile of the ZIP codes associated with Rolling Oaks Road Association? ▼
The ZIP codes mapped to Rolling Oaks Road Association have a median household income of $105,736 (Census ZIP-code estimate). Demographic data is sourced from the U.S. Census Bureau and EPA EJScreen.
Where does Rolling Oaks Road Association get its water? ▼
Rolling Oaks Road Association's water is classified in EPA records as a groundwater source. Groundwater is naturally filtered through rock and soil, but it can be vulnerable to PFAS contamination, nitrates from agriculture, and industrial chemicals that seep into the water table.

How to cite this page

APA ZipCheckup. (n.d.). Rolling Oaks Road Association Water Quality Report, CA. https://zipcheckup.com/water-system/ca4900846/
BibTeX
@misc{zipcheckup-water-system-ca4900846,
  author = {{ZipCheckup}},
  title  = {{Rolling Oaks Road Association Water Quality Report, CA}},
  year   = {n.d.},
  url    = {https://zipcheckup.com/water-system/ca4900846/}
}
Home › Water Systems › California › Rolling Oaks Road Association

Get safety alerts for Rolling Oaks Road Association, California

Free updates when EPA data changes for this area. No spam.

Unsubscribe anytime. Privacy Policy.

Share This Page

X Facebook
Check your water filter options Free tool - no phone call required.