Water System Report CA

Nacimiento Water Company

EPA ID: CA4010027 · 2,181 people served · 1 ZIP code

EPA monitoring data for Nacimiento Water Company shows an unblemished five-year compliance history — no violations of any kind have been recorded for this utility, which supplies water to approximately 2,181 people, covering every reporting cycle without a single MCL exceedance or monitoring lapse.

Data: EPA SDWIS Last verified: 2026-04-02

2,181
People Served
1
ZIP Code Served
0
Violations (5yr)
Surface Water
Water Source
0
Contaminants Flagged
$472K
Median Home Value in Service Area

Compliance Trajectory

Stable · Risk tier: High · 95% chance of violation in next 12 months

Violations went from 4 (2022) to 2 (2024). Violation counts have remained relatively steady.

Service Area Map

Coverage area for Nacimiento Water Company Source: EPA SDWIS service area boundaries.

Service area boundary

Service Area Demographics

$103,317
Median Household Income
1,509
Service Area Population
40%
Disadvantaged Population
50th
Poverty Percentile
30th
Energy Burden Percentile
43%
Pre-1986 Housing

The Nacimiento Water Company serves a community with a median household income of $103,317 and an estimated 1,509 residents across its service area. Approximately 43% of housing stock was built before 1986, which increases the likelihood of lead service lines and older plumbing.

Environmental Justice Note: 40% of the population in this service area is classified as disadvantaged under EPA's EJScreen criteria. Communities with higher disadvantaged populations often face disproportionate environmental and health burdens, including aging water infrastructure and limited resources for remediation.

🌊 Where Does Your Water Come From?

Surface Water

Nacimiento Water Company's water is drawn from rivers, lakes, or reservoirs. Surface water sources are more exposed to agricultural runoff, stormwater, and upstream discharges, but they typically receive more intensive treatment before reaching your tap.

Moderate Risk
Source Contamination Risk
20th
Wastewater Discharge Proximity
60th
Superfund Site Proximity

About 1% of homes in Monterey County, California rely on private wells rather than public water systems. Private well owners are responsible for their own water testing and treatment.

Superfund Proximity Note: This service area ranks in the 60th percentile nationally for proximity to Superfund (NPL) sites.

Infrastructure Risk

45 yr
Avg Pipe Age
Copper
Pipe Material
25 yr
Est. Remaining Life
Moderate Wear
Decay Status
Installed 64% of expected lifespan used End of life

Comparable Water Systems

Similar-sized systems in California

0 violations
0 violations
Chester Public U.d.
2,187 people
A 1 violation
C 4 violations
Mil Potrero Mwc
2,200 people
C 0 violations

Estimated Remediation Costs

Average estimated costs across ZIP codes served by this system

Water Filtration Radon Mitigation
Water Filtration $600
Radon Mitigation $400
Total Estimated Cost $1,000

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

Nacimiento Water Company (EPA ID: CA4010027) is a community water system in California that serves approximately 2,181 people from surface water sources.

This system serves ZIP code 93426 in Bradley.

Violation History

No violations recorded — This water system has no recorded EPA violations in the past 5 years.

Lead & Copper

No Lead and Copper Rule sampling data available for this water system.

Need help with your water quality?

Typical cost: Water test: typically $20–$50 (DIY kit) · Professional inspection: $150–$400

Find the Right Water Filter

Free tip: Let cold water run for 2 minutes before drinking — this helps flush lead from your pipes.

ZIP Codes Served

Data Sources

This report uses public data from the EPA Safe Drinking Water Information System (SDWIS). View the full compliance record for Nacimiento Water Company (CA4010027) on EPA.gov.

Frequently Asked Questions

Is Nacimiento Water Company water safe to drink?

Based on EPA records, Nacimiento Water Company has no recorded violations in the past 5 years — a positive indicator of water quality management.

How many people does Nacimiento Water Company serve?

Nacimiento Water Company serves approximately 2,181 people across 1 ZIP code in California.

Where does Nacimiento Water Company get its water?

The primary water source is surface water.

Lead Service Line Inventory

Service line breakdown reported under the federal Lead and Copper Rule Improvements (LCRI) inventory requirement:

0
Confirmed Lead
0
Galvanized — Replacement Required
0
Unknown Material
671
Confirmed Non-Lead

This system reports zero confirmed lead service lines in its inventory. Unknown-material counts may still warrant verification.

Federal LCRI rule (effective October 2024) requires every public water system to inventory its service lines and complete lead-line replacement within 10 years.

Federal Regulatory Status · 2026Q1
LCRR inventory submission: Reported all required service line types
Latest tap sample on 2024-01-01 did not exceed the federal lead action level.
Population served: 2,181
Reported to California

Source: EPA SDWIS Federal Service Line Inventory (Phase 2) · Submitted 2026

ZipCheckup is not affiliated with the utility or state agency. Inventory figures render verbatim from the public LCRI submission cited above; ZipCheckup does not perform inspections or replacements.

Learn about lead in drinking water →

Frequently Asked Questions

Should I use a water filter?
Nacimiento Water Company meets EPA standards, but a water filter can reduce trace contaminants below detectable levels for added peace of mind.
How many people does Nacimiento Water Company serve?
Nacimiento Water Company serves approximately 2,181 people with drinking water across 1 ZIP code.
What is Nacimiento Water Company's water source?
Nacimiento Water Company draws water from surface water sources. Source type affects which contaminants are most likely to be present.
What is the demographic profile of Nacimiento Water Company's service area?
The Nacimiento Water Company service area has a median household income of $103,317. EPA EJScreen data classifies 40% of the population as disadvantaged, which may indicate greater vulnerability to environmental health risks.
Where does Nacimiento Water Company get its water?
Nacimiento Water Company's water is drawn from rivers, lakes, or reservoirs. Surface water sources are more exposed to agricultural runoff, stormwater, and upstream discharges, but they typically receive more intensive treatment before reaching your tap. Based on available data, the source contamination risk is moderate.
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