Lamont Water System
EPA ID: WA5345650 · 136 people served · 1 ZIP code
Despite the 5 historical violations in its record, Lamont Water System has cleared every one and now meets EPA standards serving 136 residents.
Data: EPA SDWIS Last verified: 2026-04-02
Service Area Map
Coverage area for Lamont Water System Source: EPA SDWIS service area boundaries.
Service area boundary — Grade B
💧 Where Does Your Water Come From?
Lamont Water System'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 1% of homes in Whitman 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
Detected Contaminants
How Lamont Water System compares to EPA limits
What This Means For You
Consumer Confidence Report Rule at 5 mg/L exceeds the EPA maximum of mg/L.
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
Lamont Water System (EPA ID: WA5345650) is a community water system in Washington that serves approximately 136 people from groundwater sources.
This system serves ZIP code 99017 in Lamont.
Average Home Safety Score: B (81/100)
Based on water quality violations, lead levels, and radon risk across all ZIP codes served by this system.
Violation History
Contaminants Detected
The following contaminants have been flagged in EPA records for this water system:
| Contaminant | Category | Violations | Health-Based |
|---|---|---|---|
| Consumer Confidence Report Rule | Reporting Failure | 5 | No |
Lead & Copper
EPA Lead and Copper Rule sampling data for ZIP codes served by this system:
| ZIP Code | Lead Level | Exceeds Limit | Sample Date |
|---|---|---|---|
| 99017 | 0.0027 mg/L | No | N/A |
Radon Risk in Service Area
Dominant radon zone for ZIP codes served by this system: Zone 2 (Moderate Risk)
The EPA recommends testing homes in Zone 1 and Zone 2 areas for radon.
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
- 99017 — Lamont
Data Sources
This report uses public data from the EPA Safe Drinking Water Information System (SDWIS). View the full compliance record for Lamont Water System (WA5345650) on EPA.gov.
Frequently Asked Questions
Is Lamont Water System water safe to drink?
Lamont Water System has only monitoring/reporting violations, which are procedural in nature. The system meets federal health-based standards.
How many people does Lamont Water System serve?
Lamont Water System serves approximately 136 people across 1 ZIP code in Washington.
Where does Lamont Water System get its water?
The primary water source is groundwater.
Frequently Asked Questions
What You Can Do
Test your water
Home test kits can detect lead, bacteria, and other contaminants at your tap. Find the right filter →
Check your specific ZIP code
Water quality can vary within a system. View nearest ZIP report →
Contact your utility
Lamont Water System (EPA ID: WA5345650) — request the latest Consumer Confidence Report or ask about specific contaminants.