Priest Lake Water LLC
Clean water.
Clear information.
Serving 107 lots in Marvin Estates and the surrounding Priest Lake area, with 71 lots currently connected.
Established in 1997.

Suppying clean, safe drinking water from an aquifer, serving homeowners in the Marvin Estates community and surrounding area. Our website provides a central place for water quality reports, rules, fees, policies, and community updates.
Our Mission
Safe water and open communication
We provide reliable drinking water, transparent testing, and timely updates so homeowners can stay informed about their system.
Water testing, updates, fees, & service information in one place
Find current testing results, regulations, quarterly fees, policy details, owner information, and contact options here.
Safe Drinking Water
Third-party testing helps verify compliance with state and federal drinking water standards.
Testing & Results
Monthly coliform, semiannual PFAS, and annual nitrate testing are posted for homeowner review.
Reliability & Service
Gravity-fed storage helps support service during power outages and planned interruptions.

Water testing & common questions
Review answers about testing, notifications, regulations, and service updates for the Priest Lake Water system.
Who tests the water?
Water testing is performed by the Idaho Rural Water Association, an independent third-party agency.
What testing is performed?
Coliform bacteria is tested monthly, PFAS every 6 months, and nitrate annually.
How many lots are served?
The system serves 107 lots in the Marvin Estates community and surrounding area, with 71 lots currently connected.
How are notices shared?
When needed, homeowners will be notified by email, text message, and mail about maintenance, interruptions, water quality notices, or regulatory updates.
What about backflow and winterization?
Annual backflow testing is required by IDEQ for applicable systems, and seasonal residences should winterize anti-siphon and backflow prevention devices.
Transparency from homeowners
"I appreciate having easy access to testing results and system updates. It helps me feel confident about the water we use every day."

Marvin Estates Homeowner•System Customer
"Clear reports and timely notices make it easy to stay informed. The system feels dependable and well managed."

Priest Lake Resident• Homeowner
"Having a central place for fees, rules, and reports saves time and keeps everyone on the same page."

Homeowner Feedback•Community Member
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