Monse-Riggan Camp
EPA ID: WA53AC141 · 1,165 people served · 1 ZIP code
Water monitoring history at Monse-Riggan Camp shows a clean slate — EPA tracking over the past five years turned up no violations, and 1,165 residents continue to receive fully compliant service.
Data: EPA SDWIS Last verified: 2026-04-02
Service Area Demographics
The Monse-Riggan Camp serves a community with a median household income of $60,146 and an estimated 5,188 residents across its service area. Approximately 65% of housing stock was built before 1986, which increases the likelihood of lead service lines and older plumbing.
Environmental Justice Note: 90% 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?
Monse-Riggan Camp'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.
About 2% of homes in Okanogan County, Washington rely on private wells rather than public water systems. Private well owners are responsible for their own water testing and treatment.
Infrastructure Risk
Comparable Water Systems
Similar-sized systems in Washington
Estimated Remediation Costs
Average estimated costs across ZIP codes served by this system
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
Monse-Riggan Camp (EPA ID: WA53AC141) is a community water system in Washington that serves approximately 1,165 people from groundwater sources.
This system serves ZIP code 98812 in Brewster.
Violation History
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 FilterFree tip: Let cold water run for 2 minutes before drinking — this helps flush lead from your pipes.
ZIP Codes Served
- 98812 — Brewster
Data Sources
This report uses public data from the EPA Safe Drinking Water Information System (SDWIS). View the full compliance record for Monse-Riggan Camp (WA53AC141) on EPA.gov.
Frequently Asked Questions
Is Monse-Riggan Camp water safe to drink?
Based on EPA records, Monse-Riggan Camp has no recorded violations in the past 5 years — a positive indicator of water quality management.
How many people does Monse-Riggan Camp serve?
Monse-Riggan Camp serves approximately 1,165 people across 1 ZIP code in Washington.
Where does Monse-Riggan Camp get its water?
The primary water source is groundwater.