Rim Rock Ranch
EPA ID: TX0460211 · 1,065 people served · 1 ZIP code
ZipCheckup's reading of EPA records for Rim Rock Ranch (TX0460211): no drinking-water violations recorded since 2021. Water monitoring for Rim Rock Ranch: no violations on record, 1,065 residents.
Data: EPA SDWIS
Service Area Map
Coverage area for Rim Rock Ranch Source: EPA SDWIS service area boundaries.
Service area boundary
Demographics of ZIP Codes Served
The ZIP codes associated with Rim Rock Ranch have a median household income of $133,681 and about 17,455 residents live in those ZIP codes (Census; not the number of people this system supplies).
🌊 Where Does Your Water Come From?
Rim Rock Ranch'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.
Infrastructure Risk
PFAS in ZIP Codes This System Serves
PFAS ("forever chemicals") have been reported in samples from water systems associated with the ZIP codes in this system's area. These results can come from other water systems serving the same ZIP codes; check the UCMR5 section for any results reported for this system. 4 detections recorded. 2 detections are above the level of a federal PFAS MCL (4 ppt for PFOA and PFOS), with compliance required from 2029.
Comparable Water Systems
Similar-sized systems in Texas
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
Rim Rock Ranch (EPA ID: TX0460211) is a community water system in Texas that serves approximately 1,065 people from surface water sources.
This system serves ZIP code 78163 in Bulverde.
Violation History
Lead & Copper
EPA Lead and Copper Rule evidence attributed directly to this water system:
| Lead Level | Exceeds Action Level | Sample Date |
|---|---|---|
| 0.0033 mg/L | No | 2023-12-31 |
No copper action-level exceedance record appears for this PWSID in the accepted LCR snapshot. This does not establish a clean copper measurement.
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: Ask your water utility whether running cold water for 2 minutes is enough to flush your plumbing before drinking.
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 TX or modeled from parcel and building-footprint data.
- 78163 - Bulverde
Data Sources
This report uses public data from the EPA Safe Drinking Water Information System (SDWIS). View available EPA compliance records for Rim Rock Ranch (TX0460211) on EPA.gov.
Frequently Asked Questions
Is Rim Rock Ranch water safe to drink?
The accepted 2026Q2 ECHO snapshot contains zero violation records for Rim Rock Ranch in the inclusive 2021-2026 record-year window. This is a compliance-record finding, not a guarantee about water at a specific tap.
How many people does Rim Rock Ranch serve?
Rim Rock Ranch serves approximately 1,065 people across 1 ZIP code in Texas.
Where does Rim Rock Ranch get its water?
The primary water source is surface water.
Frequently Asked Questions
How to cite this page
ZipCheckup. (n.d.). Rim Rock Ranch Water Quality Report, TX. https://zipcheckup.com/water-system/tx0460211/
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