Question 1

Is Rio Grande City tap water safe to drink?

Accepted Answer

Rio Grande City's water meets all EPA maximum contaminant levels. However, 2 contaminants were detected at various levels. Some residents may prefer additional filtration for peace of mind.

Question 2

What contaminants are in Rio Grande City tap water?

Accepted Answer

2 contaminants have been detected in Rio Grande City's water supply across 2 water systems. See the full contaminant table above for details.

Question 3

How can I improve my water quality in Rio Grande City?

Accepted Answer

Install a water filter rated for the specific contaminants found in Rio Grande City's water. See our filter recommendations above. You can also request your utility's Consumer Confidence Report for the most current test results.

Question 4

Does Rio Grande City have any water quality violations?

Accepted Answer

Yes, Rio Grande City currently has 46 active violations. See the violations section above for details.

Contaminant	Detected Level	EPA Limit (MCL)	Health Guideline	% of Limit	Status
lithium	43.7	No federal limit	10.0 ug/L(EPA/USGS HBSL)	437%	Above guideline
PFBA	0.008	No federal limit	1000.0 ug/L(EWG)	0%	Below guideline

Rio Grande City, Texas Water Quality Report

Water Source

Detected Contaminants

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Compliance & Violations

Active Violations (46)

Resolved Violations (176)

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