Old Chisolm Estates
EPA ID: TX2490036 · 546 people served · 1 ZIP code
ZipCheckup's reading of EPA SDWIS for Old Chisolm Estates (TX2490036): 1 unresolved EPA violation on record. Compliance tracking for Old Chisolm Estates shows 1 pending violation logged in the EPA system - the supplier delivers water to approximately 546 residents while those findings remain open.
Data: EPA SDWIS
Service Area Map
Coverage area for Old Chisolm Estates Source: EPA SDWIS service area boundaries.
Service area boundary
Service Area Demographics
The Old Chisolm Estates serves a community with a median household income of $94,379 and an estimated 10,200 residents across its service area.
💧 Where Does Your Water Come From?
Old Chisolm Estates'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 Old Chisolm Estates compares to EPA limits
What This Means For You
Mercury at 1 mg/L exceeds the EPA maximum of 0.002 mg/L. Kidney damage, neurological impairment. Consider activated carbon (GAC) filtration.
Cadmium at 1 mg/L exceeds the EPA maximum of 0.005 mg/L. Kidney damage accumulating over lifetime; probable carcinogen. Consider reverse osmosis filtration.
Selenium at 1 mg/L exceeds the EPA maximum of 0.05 mg/L. Hair & nail loss, nerve damage, liver & kidney damage. Consider reverse osmosis filtration.
Chromium at 1 mg/L (total chromium; California Cr-6 MCL = 0.010 mg/L) exceeds the EPA maximum of 0.1 mg/L (total chromium; California Cr-6 MCL = 0.010 mg/L). Stomach & intestinal cancer (known carcinogen). Consider reverse osmosis filtration.
Mercury was detected in this water system. activated carbon (GAC) filtration can reduce exposure.
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System Overview
Old Chisolm Estates (EPA ID: TX2490036) is a community water system in Texas that serves approximately 546 people from groundwater sources.
This system serves ZIP code 76078 in Rhome.
Violation History
Status breakdown for accepted records with record years 2021-2026: 2 resolved, 11 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 |
|---|---|---|---|
| May 3, 2026 | Lead and Copper Rule | Non-health-based | Unaddressed (current) |
| March 1, 2025 | Consumer Confidence Report Rule | Non-health-based | Resolved |
| January 1, 2024 | Revised Total Coliform Rule | Non-health-based | Resolved |
| January 1, 2022 | Nickel | Non-health-based | Archived |
| January 1, 2022 | Barium | Non-health-based | Archived |
| January 1, 2022 | Cadmium | Non-health-based | Archived |
| January 1, 2022 | Chromium | Non-health-based | Archived |
| January 1, 2022 | Fluoride | Non-health-based | Archived |
| January 1, 2022 | Nitrite | Non-health-based | Archived |
| January 1, 2022 | Mercury | Non-health-based | Archived |
| January 1, 2022 | Contaminant 1075 | Non-health-based | Archived |
| January 1, 2022 | Contaminant 1085 | Non-health-based | Archived |
| January 1, 2022 | Contaminant 1045 | Non-health-based | Archived |
| January 1, 2022 | Selenium | Non-health-based | Archived |
Contaminants Detected
The following contaminants have been flagged in EPA records for this water system:
| Contaminant | Category | Violations | Health-Based |
|---|---|---|---|
| Barium | Inorganic | 1 | No |
| Cadmium | Inorganic | 1 | No |
| Chromium | Inorganic | 1 | No |
| Fluoride | Inorganic | 1 | No |
| Selenium | Inorganic | 1 | No |
| Nickel | Inorganic | 1 | No |
| Nitrite | Inorganic | 1 | No |
| Contaminant 1045 | Other Violation | 1 | No |
| Mercury | Inorganic | 1 | No |
| Contaminant 1075 | Other Violation | 1 | No |
| Contaminant 1085 | Other Violation | 1 | No |
| Lead and Copper Rule | Treatment Failure | 1 | No |
| Consumer Confidence Report Rule | Reporting Failure | 1 | No |
| Revised Total Coliform Rule | Microbiological | 1 | No |
Lead & Copper
EPA Lead and Copper Rule evidence attributed directly to this water system:
| Lead Level | Exceeds Action Level | Sample Date |
|---|---|---|
| 0.003 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 $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 TX or modeled from parcel and building-footprint data.
- 76078 - Rhome
Data Sources
This report uses public data from the EPA Safe Drinking Water Information System (SDWIS). View the full compliance record for Old Chisolm Estates (TX2490036) on EPA.gov.
Frequently Asked Questions
Is Old Chisolm Estates water safe to drink?
The accepted 2026Q2 ECHO snapshot shows 1 current noncompliance record and zero current records classified as health-based. That classification is not a property-specific water test or safety guarantee.
How many people does Old Chisolm Estates serve?
Old Chisolm Estates serves approximately 546 people across 1 ZIP code in Texas.
Where does Old Chisolm Estates get its water?
The primary water source is groundwater.
Frequently Asked Questions
How to cite this page
ZipCheckup. (n.d.). Old Chisolm Estates (TX): 14 EPA Violations. https://zipcheckup.com/water-system/tx2490036/
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author = {{ZipCheckup}},
title = {{Old Chisolm Estates (TX): 14 EPA Violations}},
year = {n.d.},
url = {https://zipcheckup.com/water-system/tx2490036/}
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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
Old Chisolm Estates (EPA ID: TX2490036) - request the latest Consumer Confidence Report or ask about specific contaminants.