Water Quality in Los Indios, TX: No Violations - Grade C
Grade C · Score 66/100 · 2 water systems · Updated 2026-07-18
Los Indios's water has moderate compliance issues. Residents in affected areas should consider filtration.
Data: EPA Safe Drinking Water Information System (SDWIS) Last verified: 2026-07-18
What does the EPA compliance record show for Los Indios, TX? Zero violations documented across 2 water systems, with all health-based and monitoring thresholds met across all available federal records.
Water Quality by ZIP Code in Los Indios
Los Indios is covered by a single ZIP code, so one water-quality profile applies citywide. See the contaminant data below.
| ZIP Code | Grade | Score | Violations | Health | |
|---|---|---|---|---|---|
| 78567 | C | 66 | 0 | 0 | View report → |
Violation Trend
EPA violations recorded for water systems serving Los Indios.
Water Quality Overview
Los Indios, Texas receives a water quality grade of C with an overall score of 66 out of 100, based on EPA compliance data from the Safe Drinking Water Information System (SDWIS).
No EPA violations have been recorded for the 2 water systems serving Los Indios. This is a positive indicator, though it does not guarantee the absence of all contaminants - some substances (like PFAS) are not yet fully regulated.
What Grade C Means
A grade of C indicates moderate compliance issues. Los Indios's water systems have some violations that warrant attention. While the water may still be safe for most people, residents in affected ZIP codes should consider additional testing or filtration.
Lead Levels
Lead testing data for Los Indios is currently being collected. The EPA requires all community water systems to test for lead under the Lead and Copper Rule.
With 56% of homes built before 1986, Los Indios has a higher-than-average risk of lead from older plumbing. Lead solder was banned in 1986, and homes built before this date may have lead in pipes, solder joints, or fixtures.
Water Systems Serving Los Indios
Los Indios is served by 2 community water systems regulated under the Safe Drinking Water Act. These systems collectively serve approximately 405 people across 1 ZIP code.
Each water system is identified by a Public Water System ID (PWSID) and is required to:
- Test for over 90 regulated contaminants on a regular schedule
- Report results to the EPA and state regulators
- Issue an annual Consumer Confidence Report (CCR) to all customers
- Take corrective action when violations occur
The EPA has taken 10 enforcement actions against water systems serving Los Indios. Enforcement actions range from informal compliance assistance to formal orders and penalties.
How to Check Your Water in Los Indios
Enter your ZIP code on ZipCheckup to see your specific water system data, including contaminant levels, violation history, and safety scores
Request your CCR - your water utility must provide an annual Consumer Confidence Report with detailed test results for all monitored contaminants
Get a home test - certified kits cost $20–$50 and test for lead, bacteria, and common contaminants. Professional lab tests ($150–$400) cover a broader panel
Consider filtration - NSF-certified filters can remove specific contaminants. Reverse osmosis removes the broadest range; activated carbon is effective for chlorine and many organics
Check for advisories - monitor your local utility website and local news for boil water advisories or system alerts
Violation Trend Over Time
Year-by-year EPA violations recorded for water systems serving Los Indios:
| Year | Total Violations | Health-Based |
|---|---|---|
| 2021 | 2 | 2 |
| 2022 | 2 | 2 |
| 2025 | 2 | 2 |
Violation counts have remained stable over the observed period.
EPA Enforcement History
The EPA and state regulators have taken 10 enforcement actions against water systems serving Los Indios. Recent actions:
| Date | Action Type |
|---|---|
| 2025-12-11 | State Informal Action |
| 2025-12-11 | State Informal Enforcement |
| 2023-06-23 | State Order Extension |
| 2023-05-24 | State Filed Suit |
| 2022-09-06 | State Informal Action |
| 2022-07-28 | State Informal Action |
| 2022-07-28 | State Informal Enforcement |
| 2022-07-06 | State Informal Action |
| 2022-07-01 | State Filed Judgment |
| 2022-06-14 | State Informal Action |
Enforcement actions range from informal compliance assistance to formal orders and penalties. The most recent action was on 2025-12-11.
Los Indios vs. Nearby Texas Cities
How Los Indios's water quality compares to similar cities in Texas:
| City | Grade | Violations | Systems | Population |
|---|---|---|---|---|
| Los Indios | C | 0 | 2 | 405 |
| Bayside | B | 8 | 1 | 405 |
| Channing | D | 0 | 1 | 405 |
| Toyahvale | D | 0 | 1 | 406 |
Common Questions About Los Indios Water
These are the most common questions residents search for about water quality in Los Indios, Texas:
Is Los Indios water hard or soft? Water hardness varies by source. Los Indios's 2 water systems use multiple sources. Check your ZIP code report for specific hardness data.
Can I drink Los Indios tap water? Los Indios's water receives a grade of C (66/100). No health-based violations have been recorded, but home testing is always recommended.
What is the best water filter for Los Indios? A NSF/ANSI 53-certified filter for lead removal is a good general choice. See our Water Filter Matcher for personalized recommendations.
Los Indios vs. Texas Average
Understanding how Los Indios compares to the broader Texas average helps contextualize your local water quality. Factors like water source, treatment methods, and infrastructure age all contribute to differences between cities in the same state.
To see how individual neighborhoods compare, check the ZIP code reports below - water quality can vary significantly even within Los Indios.
ZIP Codes in Los Indios
Los Indios spans 1 ZIP code. Each ZIP code has its own water quality profile based on the specific water system serving that area. Check each ZIP code for detailed contaminant data, violation history, and system information.
Data Sources
- Water quality: EPA Safe Drinking Water Information System (SDWIS)
- Lead/copper: EPA Lead and Copper Rule sampling data
- Radon: EPA Map of Radon Zones
- Enforcement: EPA ECHO database
- Filter recommendations: NSF/ANSI certified products
Updated daily.