Health Violations Found CA 1 HEALTH VIOLATION

Myers Flat M.w.s. Inc.

EPA ID: CA1200538 · 330 people served · 4 ZIP codes

Tallying the federal enforcement file for Myers Flat M.w.s. Inc. yields 2 open violations that have not been formally closed — each finding sits in the EPA database while the utility continues to deliver water to approximately 330 residents and works through the required corrective action process.

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

B · 76
Avg Safety Score
330
People Served
4
ZIP Codes Served
2
Violations (5yr)
Groundwater
Water Source
0.0018 mg/L
Max Lead Level
Zone 3
Radon Risk · Low
1
Contaminants Flagged

Service Area Map

Coverage area for Myers Flat M.w.s. Inc. Source: EPA SDWIS service area boundaries.

Service area boundary — Grade B

Service Area Demographics

$36,607
Median Household Income
735
Service Area Population
30%
Disadvantaged Population
60th
Poverty Percentile
50th
Energy Burden Percentile
68%
Pre-1986 Housing

The Myers Flat M.w.s. Inc. serves a community with a median household income of $36,607 and an estimated 735 residents across its service area. Approximately 68% of housing stock was built before 1986, which increases the likelihood of lead service lines and older plumbing.

💧 Where Does Your Water Come From?

Groundwater

Myers Flat M.w.s. Inc.'s water is pumped from underground aquifers. 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.

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

About 2% of homes in Humboldt County, California rely on private wells rather than public water systems. Private well owners are responsible for their own water testing and treatment.

Infrastructure Risk

49 yr
Avg Pipe Age
Copper
Pipe Material
22 yr
Est. Remaining Life
Moderate Wear
Decay Status
Installed 69% of expected lifespan used End of life

Detected Contaminants

How Myers Flat M.w.s. Inc. compares to EPA limits

What This Means For You

Stage 2 DBP Rule at 2 mg/L exceeds the EPA maximum of mg/L.

Comparable Water Systems

Similar-sized systems in California

0 violations
0 violations
D 2 violations
B 6 violations
0 violations

Estimated Remediation Costs

Average estimated costs across ZIP codes served by this system

Flood Insurance Water Filtration
Flood Insurance $1,200
Water Filtration $150
Total Estimated Cost $1,350

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.

Cost of Inaction

If water quality issues in this service area are not addressed, the estimated financial impact per household is:

Estimated Healthcare Costs $500

Annual per household (CDC est.)

Estimated Cumulative Cost Per Household

5 years
$2,500
10 years
$5,000
20 years
$10,000

Compare: Estimated remediation cost is $1,350 (one-time) vs. $5,000 in estimated inaction costs over 10 years.

Estimates based on published EPA, CDC, and peer-reviewed research. Individual costs vary by household size, property, and health factors. These are conservative lower-bound estimates intended for awareness, not financial advice.

System Overview

MYERS FLAT M.W.S. INC. (EPA ID: CA1200538) is a community water system in California that serves approximately 330 people from groundwater sources.

This system provides water to 4 ZIP codes across 4 communities.

Average Home Safety Score: B (76/100)

Based on water quality violations, lead levels, and radon risk across all ZIP codes served by this system.

Violation History

1 health-based violation recorded in the past 5 years. 2 remain unresolved.

Recent Violations

Date Contaminant Type Status
October 17, 2024 Stage 2 DBP Rule Monitoring Unresolved
October 17, 2024 Stage 2 DBP Rule Health-based Unresolved

Contaminants Detected

The following contaminants have been flagged in EPA records for this water system:

Contaminant Category Violations Health-Based
Stage 2 DBP Rule Treatment Failure 2 Yes

Lead & Copper

EPA Lead and Copper Rule sampling data for ZIP codes served by this system:

ZIP Code Lead Level Exceeds Limit Sample Date
95554 0.0018 mg/L No N/A

Radon Risk in Service Area

Dominant radon zone for ZIP codes served by this system: Zone 3 (Low Risk)

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 Myers Flat M.w.s. Inc. (CA1200538) on EPA.gov.

Frequently Asked Questions

Is Myers Flat M.w.s. Inc. water safe to drink?

Myers Flat M.w.s. Inc. has recorded 1 health-based violation in the past 5 years. While the system is required to treat water to meet federal standards, you may want to consider additional precautions such as a certified water filter.

How many people does Myers Flat M.w.s. Inc. serve?

Myers Flat M.w.s. Inc. serves approximately 330 people across 4 ZIP codes in California.

Where does Myers Flat M.w.s. Inc. get its water?

The primary water source is groundwater.

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
99
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 2021-01-01 did not exceed the federal lead action level.
Reporting compliance issue flagged by EPA under Rule 2E.
Compliance issue flagged by EPA under Rule 4G.
Population served: 330
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

Is water from Myers Flat M.w.s. Inc. safe to drink?
Myers Flat M.w.s. Inc. earns a B safety grade with 2 violations in the past 5 years. Tap water meets EPA standards for most contaminants.
What contaminants are in Myers Flat M.w.s. Inc.'s water?
Detected contaminants include Stage 2 DBP Rule. Each is compared against EPA maximum contaminant levels (MCLs) in the detailed breakdown above.
Should I use a water filter?
Given 1 contaminant above EPA limits, a certified water filter can provide an extra layer of protection. The best type depends on specific contaminants in your water.
How many people does Myers Flat M.w.s. Inc. serve?
Myers Flat M.w.s. Inc. serves approximately 330 people with drinking water across 4 ZIP codes.
What is Myers Flat M.w.s. Inc.'s water source?
Myers Flat M.w.s. Inc. draws water from groundwater sources. Source type affects which contaminants are most likely to be present.
Is there lead in Myers Flat M.w.s. Inc.'s water?
The maximum detected lead level is 0.0018 mg/L. This is within EPA action level guidelines.
What is the demographic profile of Myers Flat M.w.s. Inc.'s service area?
The Myers Flat M.w.s. Inc. service area has a median household income of $36,607. Demographic data is sourced from the U.S. Census Bureau and EPA EJScreen.
Where does Myers Flat M.w.s. Inc. get its water?
Myers Flat M.w.s. Inc.'s water is pumped from underground aquifers. 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. Based on violation history and environmental factors, the source contamination risk is currently elevated.

What You Can Do

1

Test your water

Home test kits can detect lead, bacteria, and other contaminants at your tap. Find the right filter →

2

Check your specific ZIP code

Water quality can vary within a system. View nearest ZIP report →

3

Contact your utility

Myers Flat M.w.s. Inc. (EPA ID: CA1200538) — request the latest Consumer Confidence Report or ask about specific contaminants.

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