Flag Creek Ranch
EPA ID: TX1500112 ยท 117 people served ยท 1 ZIP code
ZipCheckup's reading of EPA SDWIS for Flag Creek Ranch (TX1500112): 1 unresolved EPA violation on record. Per EPA records, Flag Creek Ranch: 1 unresolved violation, 117 people in service area.
Data: EPA SDWIS
Service Area Map
Coverage area for Flag Creek Ranch Source: EPA SDWIS service area boundaries.
Service area boundary
Service Area Demographics
The Flag Creek Ranch serves a community with a median household income of $63,500 and an estimated 6,837 residents across its service area. Approximately 50% of housing stock was built before 1986, which increases the likelihood of lead service lines and older plumbing.
Environmental Justice Note: 50% of the population in this service area is classified as disadvantaged under EPA's EJScreen criteria. Communities with higher disadvantaged populations often face disproportionate environmental and health burdens, including aging water infrastructure and limited resources for remediation.
๐ง Where Does Your Water Come From?
Flag Creek Ranch'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.
Infrastructure Risk
Detected Contaminants
How Flag Creek Ranch compares to EPA limits
What This Means For You
Lead at 1 mg/L (action level) exceeds the EPA maximum of 0.015 mg/L (action level). Brain damage in children, kidney & blood pressure in adults. Consider reverse osmosis filtration.
Haloacetic Acids (HAA5) at 3 mg/L exceeds the EPA maximum of 0.06 mg/L. Cancer risk; reproductive & developmental effects. Consider granular activated carbon (GAC) filtration.
Lead and Copper Rule at 4 mg/L exceeds the EPA maximum of mg/L.
Gross Alpha at 2 pCi/L exceeds the EPA maximum of pCi/L. Increased cancer risk from radioactive particles. Consider reverse osmosis filtration.
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. 2 detections recorded.
Lead was detected in this water system. reverse osmosis filtration can reduce exposure.
Find a certified water filter โComparable 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
Flag Creek Ranch (EPA ID: TX1500112) is a community water system in Texas that serves approximately 117 people from groundwater sources.
This system serves ZIP code 78643 in Llano.
Violation History
Status breakdown for accepted records with record years 2021-2026: 15 resolved, 0 archived, 0 addressed, and 1 unaddressed. Under this source contract, current noncompliance is the sum of addressed and unaddressed records. Archived and resolved records are excluded from current noncompliance.
Recent Violations
| Date | Contaminant | Type | Status |
|---|---|---|---|
| April 1, 2026 | Haloacetic Acids (HAA5) | Health-based | Unaddressed (current) |
| July 1, 2025 | Haloacetic Acids (HAA5) | Health-based | Resolved |
| April 3, 2025 | Lead and Copper Rule | Non-health-based | Resolved |
| February 4, 2025 | Haloacetic Acids (HAA5) | Non-health-based | Resolved |
| July 2, 2024 | Surface Water Treatment Rule | Non-health-based | Resolved |
| February 1, 2024 | Consumer Confidence Report Rule | Non-health-based | Resolved |
| January 29, 2024 | Lead and Copper Rule | Non-health-based | Resolved |
| January 1, 2024 | Gross Alpha | Non-health-based | Resolved |
| January 1, 2024 | Combined Radium | Non-health-based | Resolved |
| January 1, 2024 | Gross Beta | Non-health-based | Resolved |
| December 30, 2023 | Stage 1 DBP Rule | Non-health-based | Resolved |
| August 20, 2023 | Lead and Copper Rule | Non-health-based | Resolved |
| July 1, 2023 | Lead and Copper Rule | Non-health-based | Resolved |
| July 1, 2023 | Gross Alpha | Health-based | Resolved |
| June 1, 2022 | Consumer Confidence Report Rule | Non-health-based | Resolved |
| April 1, 2022 | Lead | Non-health-based | Resolved |
Contaminants Detected
The following contaminants have been flagged in EPA records for this water system:
| Contaminant | Category | Violations | Health-Based |
|---|---|---|---|
| Lead and Copper Rule | Treatment Failure | 4 | No |
| Haloacetic Acids (HAA5) | Disinfection Byproducts | 3 | Yes |
| Gross Alpha | Radionuclides | 2 | Yes |
| Consumer Confidence Report Rule | Reporting Failure | 2 | No |
| Lead | Inorganic | 1 | No |
| Combined Radium | Radionuclides | 1 | No |
| Gross Beta | Radionuclides | 1 | No |
| Stage 1 DBP Rule | Treatment Failure | 1 | No |
| Surface Water Treatment Rule | Treatment Failure | 1 | No |
Health Risk Details
Haloacetic Acids (HAA5) (EPA limit: 0.06 mg/L)
Cancer risk; reproductive & developmental effects At-risk groups: pregnant women, infants, long-term consumers of chlorinated municipal water.
Removal methods: granular activated carbon (GAC), carbon block filter, reverse osmosis. Find the right filter โ
Gross Alpha Particle Activity (EPA limit: pCi/L)
Increased cancer risk from radioactive particles At-risk groups: long-term residents in areas with uranium or radium-rich geology, people on private wells in western US.
Removal methods: reverse osmosis, ion exchange (anion exchange for radium), lime softening. Find the right filter โ
Lead & Copper
EPA Lead and Copper Rule evidence attributed directly to this water system:
| Lead Level | Exceeds Action Level | Sample Date |
|---|---|---|
| 0.00106 mg/L | No | N/A |
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 $20โ$50 (DIY kit) ยท Professional inspection: $150โ$400
Find the Right Water FilterFree tip: Let cold water run for 2 minutes before drinking โ 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 TX or modeled from parcel and building-footprint data.
- 78643 - Llano
Data Sources
This report uses public data from the EPA Safe Drinking Water Information System (SDWIS). View the full compliance record for Flag Creek Ranch (TX1500112) on EPA.gov.
Frequently Asked Questions
Is Flag Creek Ranch water safe to drink?
The accepted 2026Q2 ECHO snapshot shows 1 current health-based noncompliance record for Flag Creek Ranch. Review the utility's current notices and EPA record. This system-level compliance history cannot determine conditions at a specific tap.
How many people does Flag Creek Ranch serve?
Flag Creek Ranch serves approximately 117 people across 1 ZIP code in Texas.
Where does Flag Creek Ranch get its water?
The primary water source is groundwater.
Frequently Asked Questions
How to cite this page
ZipCheckup. (n.d.). Flag Creek Ranch (TX): 3 Health Violations. https://zipcheckup.com/water-system/tx1500112/
@misc{zipcheckup-water-system-tx1500112,
author = {{ZipCheckup}},
title = {{Flag Creek Ranch (TX): 3 Health Violations}},
year = {n.d.},
url = {https://zipcheckup.com/water-system/tx1500112/}
}
What You Can Do
Test your water
Home test kits can detect lead, bacteria, and other contaminants at your tap. Find the right filter โ
Check your specific ZIP code
Water quality can vary within a system. View nearest ZIP report โ
Contact your utility
Flag Creek Ranch (EPA ID: TX1500112) - request the latest Consumer Confidence Report or ask about specific contaminants.