Glenbrook Water Cooperative Inc.
EPA ID: NV0000356 · 1,000 people served · 2 ZIP codes
Over the tracked period, Glenbrook Water Cooperative Inc. logged 2 EPA violations — each has been remedied, and the system now supplies 1,000 people in good standing.
Data: EPA SDWIS Last verified: 2026-04-02
Compliance Trajectory
Stable · Risk tier: High · 95% chance of violation in next 12 months
Violations went from 3 (2023) to 3 (2024). Violation counts have remained relatively steady.
Service Area Map
Coverage area for Glenbrook Water Cooperative Inc. Source: EPA SDWIS service area boundaries.
Service area boundary — Grade C
Service Area Demographics
The Glenbrook Water Cooperative Inc. serves a community with a median household income of $136,250 and an estimated 2,695 residents across its service area. Approximately 77% of housing stock was built before 1986, which increases the likelihood of lead service lines and older plumbing.
🌊 Where Does Your Water Come From?
Glenbrook Water Cooperative Inc.'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.
About 1% of homes in Douglas County, Nevada 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 Glenbrook Water Cooperative 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 Nevada
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
Glenbrook Water Cooperative Inc. (EPA ID: NV0000356) is a community water system in Nevada that serves approximately 1,000 people from surface water sources.
This system provides water to 2 ZIP codes across 2 communities.
Average Home Safety Score: C (65/100)
Based on water quality violations, lead levels, and radon risk across all ZIP codes served by this system.
Violation History
Recent Violations
| Date | Contaminant | Type | Status |
|---|---|---|---|
| October 17, 2024 | Stage 2 DBP Rule | Monitoring | Resolved |
| October 17, 2024 | Stage 2 DBP Rule | Health-based | Resolved |
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 |
|---|---|---|---|
| 89413 | 0.003 mg/L | No | N/A |
Radon Risk in Service Area
Dominant radon zone for ZIP codes served by this system: Zone 1 (High 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
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 NV 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 the full compliance record for Glenbrook Water Cooperative Inc. (NV0000356) on EPA.gov.
Frequently Asked Questions
Is Glenbrook Water Cooperative Inc. water safe to drink?
Glenbrook Water Cooperative 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 Glenbrook Water Cooperative Inc. serve?
Glenbrook Water Cooperative Inc. serves approximately 1,000 people across 2 ZIP codes in Nevada.
Where does Glenbrook Water Cooperative Inc. get its water?
The primary water source is surface water.
Lead Service Line Inventory
Service line breakdown reported under the federal Lead and Copper Rule Improvements (LCRI) inventory requirement:
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.
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.
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
Glenbrook Water Cooperative Inc. (EPA ID: NV0000356) — request the latest Consumer Confidence Report or ask about specific contaminants.