Historical Compliance Records WA

Lake Margaret Water System

EPA ID: WA5344200 ยท 406 people served ยท 1 ZIP code

ZipCheckup's reading of EPA records for Lake Margaret Water System (WA5344200): 43 violations on record since 2021. Lake Margaret Water System's EPA record lists 43 historical violations, and none is listed as open in that record; the utility supplies water to 406 residents.

Data: EPA SDWIS

406
People Served
1
ZIP Code Served
43
Violations (since 2021)
Surface Water
Water Source
0.0018 mg/L
Most recent lead 90th percentile on record (monitoring period ending 2023-12-31)
21
Contaminants Flagged
$747K
Median Home Value in ZIP Codes Served

Service Area Map

Coverage area for Lake Margaret Water System Source: EPA SDWIS service area boundaries.

Service area boundary

Demographics of ZIP Codes Served

$156,003
Median Household Income
11,712
Population of ZIP Codes Served (Census)
12%
Disadvantaged Population
30th
Poverty Percentile
10th
Energy Burden Percentile
29%
Pre-1986 Housing

The ZIP codes associated with Lake Margaret Water System have a median household income of $156,003 and about 11,712 residents live in those ZIP codes (Census; not the number of people this system supplies).

๐ŸŒŠ Where Does Your Water Come From?

Surface Water

Lake Margaret Water System'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
70th
Superfund Site Proximity

Superfund Proximity Note: This service area ranks in the 70th percentile nationally for proximity to Superfund (NPL) sites.

Infrastructure Risk

31 yr
Estimated pipe age (modeled from housing age)
Copper
Likely pipe material (modeled)
39 yr
Est. Remaining Life
Stable
Decay Status
Installed 44% of expected lifespan used (estimate) End of life

Comparable Water Systems

Similar-sized systems in Washington

Sierra Country Club
400 people
11 violations
2 violations
2 violations
Silver Lake Water
425 people
3 violations
1 violation

Cost of Inaction

Illustrative per-household cost scenario based on stated assumptions:

Estimated Healthcare Costs $1,500

Annual per household (ZipCheckup estimate)

Estimated Cumulative Cost Per Household

5 years
$7,500
10 years
$15,000
20 years
$30,000

Individual costs vary by household size, property, and health factors. These estimates are for awareness, not financial advice.

System Overview

Lake Margaret Water System (EPA ID: WA5344200) is a community water system in Washington that serves approximately 406 people from surface water sources.

This system serves ZIP code 98019 in Duvall.

Violation History

No current noncompliance in the accepted 2026Q2 snapshot. The 43 records in the 2021-2026 window are classified as resolved or archived, not current.

Status breakdown for accepted records with record years 2021-2026: 43 resolved, 0 archived, 0 addressed, and 0 unaddressed. Under this source contract, current noncompliance is the sum of addressed and unaddressed records. Archived and resolved records are excluded from current noncompliance.

Recent Violations

Date Contaminant Type Status
July 1, 2025 Consumer Confidence Rule Non-health-based Resolved
January 1, 2024 1,2,4-Trichlorobenzene Non-health-based Resolved
January 1, 2024 cis-1,2-Dichloroethylene Non-health-based Resolved
January 1, 2024 DICHLOROMETHANE Non-health-based Resolved
January 1, 2024 o-Dichlorobenzene Non-health-based Resolved
January 1, 2024 p-Dichlorobenzene Non-health-based Resolved
January 1, 2024 Vinyl chloride Non-health-based Resolved
January 1, 2024 1,1-Dichloroethylene Non-health-based Resolved
January 1, 2024 trans-1,2-Dichloroethylene Non-health-based Resolved
January 1, 2024 1,2-Dichloroethane Non-health-based Resolved
January 1, 2024 1,1,1-Trichloroethane Non-health-based Resolved
January 1, 2024 Carbon tetrachloride Non-health-based Resolved
January 1, 2024 1,2-Dichloropropane Non-health-based Resolved
January 1, 2024 Trichloroethylene Non-health-based Resolved
January 1, 2024 1,1,2-Trichloroethane Non-health-based Resolved
January 1, 2024 Tetrachloroethylene Non-health-based Resolved
January 1, 2024 CHLOROBENZENE Non-health-based Resolved
January 1, 2024 Benzene Non-health-based Resolved
January 1, 2024 Toluene Non-health-based Resolved
January 1, 2024 Ethylbenzene Non-health-based Resolved

Contaminants Detected

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

Contaminant Category Violations Health-Based
Consumer Confidence Rule Other (notice or report rule) 3 No
1,2,4-Trichlorobenzene Monitoring & Reporting 2 No
cis-1,2-Dichloroethylene Monitoring & Reporting 2 No
DICHLOROMETHANE Monitoring & Reporting 2 No
o-Dichlorobenzene Monitoring & Reporting 2 No
p-Dichlorobenzene Monitoring & Reporting 2 No
Vinyl chloride Monitoring & Reporting 2 No
1,1-Dichloroethylene Monitoring & Reporting 2 No
trans-1,2-Dichloroethylene Monitoring & Reporting 2 No
1,2-Dichloroethane Monitoring & Reporting 2 No
1,1,1-Trichloroethane Monitoring & Reporting 2 No
Carbon tetrachloride Monitoring & Reporting 2 No
1,2-Dichloropropane Monitoring & Reporting 2 No
Trichloroethylene Monitoring & Reporting 2 No
1,1,2-Trichloroethane Monitoring & Reporting 2 No

Lead & Copper

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

Lead Level Exceeds Action Level Sample Date
0.0018 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 WA 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 Lake Margaret Water System (WA5344200) on EPA.gov.

Frequently Asked Questions

Is Lake Margaret Water System water safe to drink?

The accepted 2026Q2 ECHO snapshot shows no current noncompliance for Lake Margaret Water System; its 43 accepted 2021-2026 records are resolved or archived. Historical compliance status does not establish conditions at a specific tap.

How many people does Lake Margaret Water System serve?

Lake Margaret Water System serves approximately 406 people across 1 ZIP code in Washington.

Where does Lake Margaret Water System get its water?

The primary water source is surface water.

Frequently Asked Questions

Should I use a water filter? ▼
Given 43 recorded violations, review the violation types and dates; a filter certified for a specific contaminant of concern can reduce that contaminant at the tap. Monitoring or reporting violations are not something a filter addresses.
How many people does Lake Margaret Water System serve? ▼
Lake Margaret Water System serves approximately 406 people with drinking water across 1 ZIP code.
What is Lake Margaret Water System's water source? ▼
Lake Margaret Water System draws water from surface water sources. Source type affects which contaminants are most likely to be present.
Is there lead in Lake Margaret Water System's water? ▼
The most recent 90th-percentile lead result on record is 0.0018 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 Lake Margaret Water System? ▼
The ZIP codes mapped to Lake Margaret Water System have a median household income of $156,003 (Census ZIP-code estimate). Demographic data is sourced from the U.S. Census Bureau and EPA EJScreen.
Where does Lake Margaret Water System get its water? ▼
Lake Margaret Water System'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 the available data, the modeled source-contamination category is moderate; test local water to assess actual exposure.

How to cite this page

APA ZipCheckup. (n.d.). Lake Margaret Water System (WA): 43 EPA Violations. https://zipcheckup.com/water-system/wa5344200/
BibTeX
@misc{zipcheckup-water-system-wa5344200,
  author = {{ZipCheckup}},
  title  = {{Lake Margaret Water System (WA): 43 EPA Violations}},
  year   = {n.d.},
  url    = {https://zipcheckup.com/water-system/wa5344200/}
}

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 โ†’

2

Check your specific ZIP code

Water quality can vary within a system. View nearest ZIP report โ†’

3

Contact your utility

Lake Margaret Water System (EPA ID: WA5344200) - request the latest Consumer Confidence Report or ask about specific contaminants.

Home › Water Systems › Washington › Lake Margaret Water System

Get safety alerts for Lake Margaret Water System, Washington

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

Unsubscribe anytime. Privacy Policy.

Share This Page

X Facebook
Violations found - check filter options Free tool - no phone call required.