Topaz Ranch Estates Gid and Water Company
EPA ID: NV0000239 · 1,545 people served · 3 ZIP codes
While 5 violations did appear in Topaz Ranch Estates Gid and Water Company's five-year monitoring record, none remain unresolved — the utility has returned to full compliance and continues to serve approximately 1,545 residents under all current EPA drinking water standards.
Data: EPA SDWIS Last verified: 2026-04-02
Service Area Map
Coverage area for Topaz Ranch Estates Gid and Water Company Source: EPA SDWIS service area boundaries.
Service area boundary — Grade C
Service Area Demographics
The Topaz Ranch Estates Gid and Water Company serves a community with a median household income of $81,861 and an estimated 14,252 residents across its service area. Approximately 48% of housing stock was built before 1986, which increases the likelihood of lead service lines and older plumbing.
💧 Where Does Your Water Come From?
Topaz Ranch Estates Gid and Water Company'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 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 Topaz Ranch Estates Gid and Water Company compares to EPA limits
What This Means For You
Revised Total Coliform Rule at 3 presence exceeds the EPA maximum of presence.
Consumer Confidence Report Rule at 2 mg/L exceeds the EPA maximum of mg/L.
PFAS Detected in Service Area
PFAS ("forever chemicals") have been detected in water serving this system's area. 3 detections recorded.
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
TOPAZ RANCH ESTATES GID AND WATER CO (EPA ID: NV0000239) is a community water system in Nevada that serves approximately 1,545 people from groundwater sources.
This system provides water to 3 ZIP codes across 3 communities.
Average Home Safety Score: C (61/100)
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 |
|---|---|---|---|
| March 1, 2024 | Consumer Confidence Report Rule | Monitoring | Resolved |
| February 1, 2024 | Consumer Confidence Report Rule | Monitoring | Resolved |
| December 1, 2023 | Revised Total Coliform Rule | Monitoring | Resolved |
| November 1, 2023 | Revised Total Coliform Rule | Monitoring | Resolved |
| October 1, 2023 | Revised Total Coliform Rule | Monitoring | Resolved |
Contaminants Detected
The following contaminants have been flagged in EPA records for this water system:
| Contaminant | Category | Violations | Health-Based |
|---|---|---|---|
| Revised Total Coliform Rule | Microbiological | 3 | No |
| Consumer Confidence Report Rule | Reporting Failure | 2 | 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 |
|---|---|---|---|
| 89444 | 0.002 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: 2 ZIP codes confirmed via EPA Community Water System Service Area Boundaries v3 plus 1 additional ZIP inferred from SDWIS registry data. The EPA-confirmed set is the most reliable; SDWIS-inferred entries may be narrower than the real deployment area.
Data Sources
This report uses public data from the EPA Safe Drinking Water Information System (SDWIS). View the full compliance record for Topaz Ranch Estates Gid and Water Company (NV0000239) on EPA.gov.
Frequently Asked Questions
Is Topaz Ranch Estates Gid and Water Company water safe to drink?
Topaz Ranch Estates Gid and Water Company has only monitoring/reporting violations, which are procedural in nature. The system meets federal health-based standards.
How many people does Topaz Ranch Estates Gid and Water Company serve?
Topaz Ranch Estates Gid and Water Company serves approximately 1,545 people across 3 ZIP codes in Nevada.
Where does Topaz Ranch Estates Gid and Water Company get its water?
The primary water source is groundwater.
Water Source & Treatment
Where this water originates and how it's treated before reaching your tap.
Source: Topaz Ranch Estates Gid and Water Company Consumer Confidence Report.
ZipCheckup is not affiliated with this water utility. Treatment and source data are sourced from the utility's published CCR filings.
The Division of Environmental Protection (NDEP) prepares Source Water Assessments for all public water systems. The assessment identifies the origins of the water and identifies potential sources of contamination directly related to the source. The assessment is an evaluation of the susceptibility of the water source to contamination. For information on the assessment contact the Nevada Division of Environmental Protection, Bureau of Safe Drinking Water at (775) 687-9520.
Treatment regime
How this utility classifies its treatment process and what each reported treatment chemical does.
Treatment chemicals and what each one does
Chemical names are reported verbatim by the utility. Purpose categories are ZipCheckup annotations based on standard drinking-water treatment practice.
Treatment classification and chemical list sourced from Topaz Ranch Estates Gid and Water Company Consumer Confidence Report.
Treatment intensity is a ZipCheckup-derived classification based on the chemicals and processes the utility reports. Chemicals and contamination sources are taken verbatim from the utility's CCR filing. Routine federal monitoring and contaminant testing shown elsewhere on this page determine whether the water meets safety standards, not the treatment classification.
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
Topaz Ranch Estates Gid and Water Company (EPA ID: NV0000239) — request the latest Consumer Confidence Report or ask about specific contaminants.