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Public Water System

LAND PROJECTS MUTUAL WATER CO.

PWSID CA1910246 · California · 2,800 people served

F
Failing

LAND PROJECTS MUTUAL WATER CO. is an EPA-regulated public water system in California (PWSID CA1910246). It serves an estimated 2,800 residents — a small town of customers — across 1 community across 1 ZIP code.

Over the past five years, LAND PROJECTS MUTUAL WATER CO. has recorded 46 EPA health-based violations. The grade of F summarizes this compliance pattern. Specific contaminants, dates, and rule citations are listed in the violation history below.

Service Area

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Centered on the averaged ZIP-code centroid of 1 ZIP served.

Population

2,800

Cities

1

ZIPs

1

Violations

46

EPA Health-Based Violations

Health-based Maximum Contaminant Level (MCL) violations on file for LAND PROJECTS MUTUAL WATER CO. over the past five years of EPA SDWIS reporting.

Arsenicchemical

EPA Code 1005 · Maximum Contaminant Level Exceedance

44

violations

EPA Limit

0.01 mg/L

Last Reading

18.38 UG/L

First Reported

Jan 2021

Most Recent

Apr 2025

What this violation means

Arsenic is a known human carcinogen that occurs naturally in groundwater across many parts of the United States, especially the Southwest and parts of New England. Long-term exposure even at low levels has been linked to bladder, lung, and skin cancer, as well as cardiovascular disease and developmental effects in children.

Recommended precautions

  • Reverse osmosis filtration removes arsenic effectively.
  • Distillation also removes arsenic — point-of-use distillers work for drinking and cooking water.
  • Boiling does NOT remove arsenic. It actually concentrates it as water evaporates.
  • If your well water has arsenic, test annually and treat at the point of entry.

EPA Code 0999 · Disinfectant Residual Exceedance

2

violations

EPA Limit

0 per 100 mL presence/absence

Last Reading

First Reported

Jul 2022

Most Recent

Jul 2022

What this violation means

Total coliform bacteria are themselves usually harmless, but their presence signals that the water distribution system has a vulnerability — typically a cracked pipe, loss of pressure, or back-siphonage — that could allow disease-causing pathogens to enter. Repeated coliform-positive samples trigger mandatory utility investigation.

Recommended precautions

  • If your utility issues a boil-water advisory, boil all drinking and cooking water for at least one minute.
  • Use bottled water until the advisory is lifted.
  • Ice from icemakers and beverages made before the advisory should be discarded.
  • UV light and chlorination both kill coliform bacteria — most home filters do not.

Source: EPA Safe Drinking Water Information System (SDWIS). Health-based violations only. Older violations may have been resolved; check your utility's most recent Consumer Confidence Report for current status.

Cities Served by LAND PROJECTS MUTUAL WATER CO.

ZIP Codes Served

About this system

EPA records this system as PWSID CA1910246. Data reflects the most recent EPA SDWIS publication as of 2026-05-18. Public Water System Identifiers (PWSIDs) are assigned by the EPA's Safe Drinking Water Act program to track every regulated water utility in the United States. The first two letters typically indicate the state primacy agency. For real-time water quality information, contact LAND PROJECTS MUTUAL WATER CO. directly or review their annual Consumer Confidence Report (CCR).

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