D39/100
Elmo Tap Water Quality: Is It Safe to Drink? (2026 Report)
Serving 2,475 residents · Texas
What's In Elmo's Tap Water?
5
Contaminants Tested
1
Exceed EPA Limits
0
Above EPA Goals
1 contaminant above EPA health goals
| Contaminant | Detected | Limit (MCL) | Status |
|---|---|---|---|
Copper (90th percentile) | 1.37 mg/L | 1.30 mg/L | Over Limit |
EPA Violation History
No violations in the past 5 years
Full EPA compliance since 2020.
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
ELMO WSC
Population Served
2,475
Water Source
Purchased Surface Water
System ID
TX1290013
Frequently Asked Questions About Elmo Water
Is Elmo tap water safe to drink?
Elmo, Texas tap water receives a grade of D (39/100), which is considered poor. 1 contaminant(s) exceed EPA maximum contaminant levels and 37 violation(s) are on record. Residents should consider using an NSF-certified water filter to reduce contaminant exposure.
What contaminants are in Elmo's water?
Of the 5 contaminants tested in Elmo's water supply, the most notable include Copper (90th percentile). 1 contaminant(s) exceed EPA legal limits (MCLs). 1 contaminant(s) exceed EPA health goals (MCLGs), which are non-enforceable targets set at levels with no known health risk.
Does Elmo have any water quality violations?
Yes, Elmo has 37 EPA violation(s) on record, with the most recent in 2020. Violation types include MR, Other, MON. 4 of these are health-based violations, which are the most serious category.
Do I need a water filter in Elmo?
Based on EPA data, using a water filter in Elmo is recommended. 1 contaminant(s) exceed legal limits. An NSF-certified filter — such as a reverse osmosis or activated carbon system — can effectively reduce many common contaminants. Choose a filter certified to remove the specific contaminants found in your area.
Where does Elmo's tap water come from?
Elmo's drinking water is sourced from purchased surface water and supplied by ELMO WSC. The system serves approximately 2,475 people. Surface water sources include rivers, lakes, and reservoirs.
How often is Elmo'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. Elmo'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 Elmo's water compare to other cities in Texas?
Elmo's water quality score of 39/100 earns a grade of D, which is considered poor. 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 Elmo's water quality?
If you have concerns about Elmo'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 (ELMO WSC) 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.