Loma Alta Water System
EPA ID: TX2540009 · 650 people served · 1 ZIP code
ZipCheckup's reading of EPA SDWIS for Loma Alta Water System (TX2540009): 2 unresolved EPA violations on record. Federal compliance records for Loma Alta Water System list 2 open violations that have not yet been resolved - the utility serves approximately 650 people, and each outstanding finding remains logged and active in the EPA enforcement database.
Data: EPA SDWIS
Service Area Map
Coverage area for Loma Alta Water System Source: EPA SDWIS service area boundaries.
Service area boundary
Service Area Demographics
The Loma Alta Water System serves a community with a median household income of $43,769 and an estimated 7,333 residents across its service area. Approximately 66% of housing stock was built before 1986, which increases the likelihood of lead service lines and older plumbing.
Environmental Justice Note: 100% 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.
💧 Where Does Your Water Come From?
Loma Alta Water System'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 Loma Alta Water System compares to EPA limits
What This Means For You
PFOA at 1 mg/L exceeds the EPA maximum of 0.000004 mg/L.
PFNA at 1 mg/L exceeds the EPA maximum of 0.00001 mg/L.
Chlorodibromomethane at 1 mg/L exceeds the EPA maximum of 0.002 mg/L. Liver cancer, brain cancer (known carcinogen). Consider granular activated carbon (GAC) filtration.
Bromate at 1 mg/L exceeds the EPA maximum of 0.01 mg/L.
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.
Chlorodibromomethane was detected in this water system. granular activated carbon (GAC) filtration can reduce exposure.
Find a certified water filter →Comparable Water Systems
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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
Loma Alta Water System (EPA ID: TX2540009) is a community water system in Texas that serves approximately 650 people from groundwater sources.
This system serves ZIP code 78839 in Crystal City.
Violation History
Status breakdown for accepted records with record years 2021-2026: 25 resolved, 0 archived, 0 addressed, and 2 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 |
|---|---|---|---|
| December 30, 2025 | Stage 1 DBP Rule | Non-health-based | Resolved |
| July 2, 2024 | Surface Water Treatment Rule | Non-health-based | Resolved |
| March 22, 2024 | Lead and Copper Rule | Non-health-based | Unaddressed (current) |
| March 22, 2024 | Lead and Copper Rule | Non-health-based | Unaddressed (current) |
| July 1, 2023 | Surface Water Treatment Rule | Non-health-based | Resolved |
| January 1, 2022 | PFOA | Non-health-based | Resolved |
| January 1, 2022 | PFNA | Non-health-based | Resolved |
| January 1, 2022 | Monochloroacetic Acid | Non-health-based | Resolved |
| January 1, 2022 | Dichloroacetic Acid | Non-health-based | Resolved |
| January 1, 2022 | Bromodichloromethane | Non-health-based | Resolved |
| January 1, 2022 | Dibromochloromethane | Non-health-based | Resolved |
| January 1, 2022 | Bromoform | Non-health-based | Resolved |
| January 1, 2022 | Chlorodibromomethane | Non-health-based | Resolved |
| January 1, 2022 | Trichloroacetic Acid | Non-health-based | Resolved |
| January 1, 2022 | Monobromoacetic Acid | Non-health-based | Resolved |
| January 1, 2022 | Dibromoacetic Acid | Non-health-based | Resolved |
| January 1, 2022 | Bromochloroacetic Acid | Non-health-based | Resolved |
| January 1, 2022 | Bromodichloroacetic Acid | Non-health-based | Resolved |
| January 1, 2022 | Chlorodibromoacetic Acid | Non-health-based | Resolved |
| January 1, 2022 | Tribromoacetic Acid | Non-health-based | Resolved |
Contaminants Detected
The following contaminants have been flagged in EPA records for this water system:
| Contaminant | Category | Violations | Health-Based |
|---|---|---|---|
| Surface Water Treatment Rule | Treatment Failure | 2 | No |
| Lead and Copper Rule | Treatment Failure | 2 | No |
| Lead | Inorganic | 1 | No |
| PFOA | PFAS | 1 | No |
| PFNA | PFAS | 1 | No |
| Monochloroacetic Acid | Disinfection Byproducts | 1 | No |
| Dichloroacetic Acid | Disinfection Byproducts | 1 | No |
| Bromodichloromethane | Disinfection Byproducts | 1 | No |
| Dibromochloromethane | Disinfection Byproducts | 1 | No |
| Bromoform | Disinfection Byproducts | 1 | No |
| Chlorodibromomethane | Disinfection Byproducts | 1 | No |
| Trichloroacetic Acid | Disinfection Byproducts | 1 | No |
| Monobromoacetic Acid | Disinfection Byproducts | 1 | No |
| Dibromoacetic Acid | Disinfection Byproducts | 1 | No |
| Bromochloroacetic Acid | Disinfection Byproducts | 1 | No |
Lead & Copper
EPA Lead and Copper Rule evidence attributed directly to this water system:
| Lead Level | Exceeds Action Level | Sample Date |
|---|---|---|
| 0.0005 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.
- 78839 - Crystal City
Data Sources
This report uses public data from the EPA Safe Drinking Water Information System (SDWIS). View the full compliance record for Loma Alta Water System (TX2540009) on EPA.gov.
Frequently Asked Questions
Is Loma Alta Water System water safe to drink?
The accepted 2026Q2 ECHO snapshot shows 2 current noncompliance records and zero current records classified as health-based. That classification is not a property-specific water test or safety guarantee.
How many people does Loma Alta Water System serve?
Loma Alta Water System serves approximately 650 people across 1 ZIP code in Texas.
Where does Loma Alta Water System get its water?
The primary water source is groundwater.
Frequently Asked Questions
How to cite this page
ZipCheckup. (n.d.). Loma Alta Water System (TX): 27 EPA Violations. https://zipcheckup.com/water-system/tx2540009/
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author = {{ZipCheckup}},
title = {{Loma Alta Water System (TX): 27 EPA Violations}},
year = {n.d.},
url = {https://zipcheckup.com/water-system/tx2540009/}
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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
Loma Alta Water System (EPA ID: TX2540009) - request the latest Consumer Confidence Report or ask about specific contaminants.