F17/100
Alamo Tap Water Quality: Is It Safe to Drink? (2026 Report)
Serving 21,065 residents · Texas
What's In Alamo's Tap Water?
69
Contaminants Tested
0
Exceed EPA Limits
3
Above EPA Goals
3 contaminants above EPA health goals
| Contaminant | Detected | Limit (MCL) | Status |
|---|---|---|---|
strontium | 2290.00 µg/L | — | Above Goal |
chlorate | 1240.00 µg/L | — | Above Goal |
Lead (90th percentile) | 0.001 mg/L | 0.015 mg/L | Above Goal |
EPA Violation History
4
Violations (last 5yr)
0
Unresolved
0
Health-Related
TIER 3Resolved
Monitoring Violation
This is a paperwork/process violation — it does not mean a contaminant was detected at unsafe levels.
When: December 1, 2023 – December 31, 2023Rule: Total Coliform RuleEnforcement: Resolving — corrective action underway
TIER 3Resolved
Failed Level 2 Assessment under Revised Total Coliform Rule
This is a paperwork/process violation — it does not mean a contaminant was detected at unsafe levels.
When: October 1, 2023 – December 31, 2023Rule: Stage 1 DBPREnforcement: Resolving — corrective action underway
TIER 3Resolved
Monitoring / Reporting Violation
This is a paperwork/process violation — it does not mean a contaminant was detected at unsafe levels.
When: December 30, 2022 – April 11, 2023Rule: Ground Water RuleEnforcement: Resolving — corrective action underway
TIER 3Resolved
Failed to issue ongoing public notification
This is a paperwork/process violation — it does not mean a contaminant was detected at unsafe levels.
When: October 1, 2022 – May 9, 2023Rule: Ground Water RuleEnforcement: Resolving — corrective action underway
Understanding violation severity
Tier 1Urgent health risk. Utility must notify all customers within 24 hours.Tier 2Important health or treatment issue. Customers notified within 30 days.Tier 3Administrative or monitoring issue. Reported in the annual water quality report.
Source: EPA Safe Drinking Water Information System (SDWIS) · Updated quarterly
Water Utility Details
CITY OF ALAMO
Population Served
21,065
Water Source
Surface Water
System ID
TX1080001
Frequently Asked Questions About Alamo Water
Is Alamo tap water safe to drink?
Alamo, Texas tap water receives a grade of F (17/100), which is considered failing. 0 contaminant(s) exceed EPA maximum contaminant levels and 46 violation(s) are on record. Residents should consider using an NSF-certified water filter to reduce contaminant exposure.
What contaminants are in Alamo's water?
Of the 69 contaminants tested in Alamo's water supply, the most notable include Lead (90th percentile), strontium, chlorate. No contaminants exceed EPA legal limits. 3 contaminant(s) exceed EPA health goals (MCLGs), which are non-enforceable targets set at levels with no known health risk.
Does Alamo have any water quality violations?
Yes, Alamo has 46 EPA violation(s) on record, with the most recent in 2023. Violation types include MON, MR, Other. 7 of these are health-based violations, which are the most serious category.
Do I need a water filter in Alamo?
Alamo water meets EPA standards, so a filter is not strictly necessary. However, some residents prefer the added security of a water filter. EPA health goals (MCLGs) are stricter than legal limits and are set at levels with zero expected health risk. 3 contaminant(s) exceed these stricter goals.
Where does Alamo's tap water come from?
Alamo's drinking water is sourced from surface water and supplied by CITY OF ALAMO. The system serves approximately 21,065 people. Surface water sources include rivers, lakes, and reservoirs.
How often is Alamo's water tested?
Under the Safe Drinking Water Act (SDWA), water utilities are required to regularly test for over 90 contaminants. Testing frequency varies by contaminant — some are tested monthly, others quarterly or annually. Alamo's water systems must report results to the EPA and publish an annual Consumer Confidence Report (CCR). The data on this page reflects the latest available EPA testing data.
How does Alamo's water compare to other cities in Texas?
Alamo's water quality score of 17/100 earns a grade of F, which is considered failing. This is a concerning score that suggests significant water quality issues. Visit our Texas state page to see how all cities in the state compare.
What should I do if I'm concerned about Alamo's water quality?
If you have concerns about Alamo's tap water, consider these steps: (1) Request your utility's annual Consumer Confidence Report for detailed local data. (2) Get your water independently tested through a state-certified laboratory. (3) Consider an NSF-certified water filter rated for the contaminants found in your area. (4) Contact your water utility (CITY OF ALAMO) with specific questions. (5) Report water quality issues to your state drinking water program or the EPA Safe Drinking Water Hotline at 800-426-4791.