Water System Report CA

Occidental Community Services District

EPA ID: CA4900536 ยท 533 people served ยท 1 ZIP code

ZipCheckup's reading of EPA records for Occidental Community Services District (CA4900536): no drinking-water violations recorded since 2021. EPA lists no violations for Occidental Community Services District, serving 533 people.

Data: EPA SDWIS

533
People Served
1
ZIP Code Served
0
Violations (since 2021)
Groundwater
Water Source
0.0038 mg/L
Most recent lead 90th percentile on record (monitoring period ending 2023-12-31)
0
Contaminants Flagged
$1.1M
Median Home Value in ZIP Codes Served

Service Area Map

Coverage area for Occidental Community Services District Source: EPA SDWIS service area boundaries.

Service area boundary

Demographics of ZIP Codes Served

$123,650
Median Household Income
1,154
Population of ZIP Codes Served (Census)
8%
Disadvantaged Population
30th
Poverty Percentile
20th
Energy Burden Percentile
69%
Pre-1986 Housing

The ZIP codes associated with Occidental Community Services District have a median household income of $123,650 and about 1,154 residents live in those ZIP codes (Census; not the number of people this system supplies). Approximately 69% 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

Occidental Community Services District'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

54 yr
Estimated pipe age (modeled from housing age)
Copper
Likely pipe material (modeled)
16 yr
Est. Remaining Life
Stable
Decay Status
Installed 77% of expected lifespan used (estimate) End of life

Comparable Water Systems

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System Overview

Occidental Community Services District (EPA ID: CA4900536) is a community water system in California that serves approximately 533 people from groundwater sources.

This system serves ZIP code 95465 in Occidental.

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
0.0038 mg/L 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 Occidental Community Services District (CA4900536) on EPA.gov.

Frequently Asked Questions

Is Occidental Community Services District water safe to drink?

The accepted 2026Q2 ECHO snapshot contains zero violation records for Occidental Community Services District 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 Occidental Community Services District serve?

Occidental Community Services District serves approximately 533 people across 1 ZIP code in California.

Where does Occidental Community Services District 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 Occidental Community Services District; 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 Occidental Community Services District serve? ▼
Occidental Community Services District serves approximately 533 people with drinking water across 1 ZIP code.
What is Occidental Community Services District's water source? ▼
Occidental Community Services District draws water from groundwater sources. Source type affects which contaminants are most likely to be present.
Is there lead in Occidental Community Services District's water? ▼
The most recent 90th-percentile lead result on record is 0.0038 mg/L (sample period ending 2023-12-31). 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 Occidental Community Services District? ▼
The ZIP codes mapped to Occidental Community Services District have a median household income of $123,650 (Census ZIP-code estimate). Demographic data is sourced from the U.S. Census Bureau and EPA EJScreen.
Where does Occidental Community Services District get its water? ▼
Occidental Community Services District'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.). Occidental Community Services District Water Report, CA. https://zipcheckup.com/water-system/ca4900536/
BibTeX
@misc{zipcheckup-water-system-ca4900536,
  author = {{ZipCheckup}},
  title  = {{Occidental Community Services District Water Report, CA}},
  year   = {n.d.},
  url    = {https://zipcheckup.com/water-system/ca4900536/}
}
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