Twin Falls, Idaho Water Quality Report
Water quality data for 5 water systems serving 56,296 people.
Water Source
Detected Contaminants
| Contaminant | Detected Level | EPA Limit (MCL) | Health Guideline | % of Limit | Status |
|---|---|---|---|---|---|
| lithium | 47.7 | No federal limit | 10.0 ug/L(EPA/USGS HBSL) | 477% | Above guideline |
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Compliance & Violations
Active Violations (71)
4G
Oct 17, 2024
4G
Oct 17, 2024
75
Nov 26, 2017
75
Nov 26, 2017
75
Nov 26, 2017
75
Jul 25, 2016
75
Jul 25, 2016
75
Jul 25, 2016
75
Oct 4, 2015
75
Oct 4, 2015
45
Jul 12, 2015
45
Jul 12, 2015
45
Jul 2, 2015
45
Jul 2, 2015
45
Jul 2, 2015
45
Jul 2, 2015
75
Apr 20, 2015
75
Apr 20, 2015
75
Apr 20, 2015
45
Mar 1, 2015
45
Mar 1, 2015
45
Mar 1, 2015
45
Dec 31, 2014
45
Dec 31, 2014
45
Dec 31, 2014
45
Dec 31, 2014
45
Dec 31, 2014
45
Dec 31, 2014
45
Dec 31, 2014
45
Dec 31, 2014
45
Dec 31, 2014
45
Dec 31, 2014
45
Dec 31, 2014
45
Dec 31, 2014
45
Dec 31, 2014
45
Dec 31, 2014
75
May 4, 2011
75
May 4, 2011
75
May 4, 2011
75
May 4, 2011
75
May 4, 2011
75
May 4, 2011
75
May 4, 2011
75
May 4, 2011
75
May 4, 2011
75
May 4, 2011
75
May 4, 2011
75
May 4, 2011
75
May 4, 2011
75
May 4, 2011
75
May 4, 2011
75
May 4, 2011
75
May 4, 2011
75
May 4, 2011
75
May 4, 2011
75
Feb 2, 2011
75
Feb 2, 2011
75
Feb 2, 2011
75
Feb 2, 2011
75
Feb 2, 2011
75
Feb 2, 2011
75
Feb 2, 2011
75
Feb 2, 2011
75
Feb 2, 2011
75
Feb 2, 2011
75
Feb 2, 2011
75
Feb 2, 2011
75
Feb 2, 2011
75
Feb 2, 2011
75
Feb 2, 2011
75
Feb 2, 2011
Resolved Violations (429)
20
Jun 18, 2023
20
Jun 18, 2023
20
Jun 18, 2023
03
Jan 1, 2023 — Dec 31, 2023
03
Jan 1, 2023 — Dec 31, 2023
+ 424 more resolved violations
Frequently Asked Questions
Is Twin Falls tap water safe to drink?
Twin Falls's water meets all EPA maximum contaminant levels. However, 1 contaminants were detected at various levels. Some residents may prefer additional filtration for peace of mind.
What contaminants are in Twin Falls tap water?
1 contaminants have been detected in Twin Falls's water supply across 5 water systems. See the full contaminant table above for details.
How can I improve my water quality in Twin Falls?
Install a water filter rated for the specific contaminants found in Twin Falls's water. See our filter recommendations above. You can also request your utility's Consumer Confidence Report for the most current test results.
Does Twin Falls have any water quality violations?
Yes, Twin Falls currently has 85 active violations. See the violations section above for details.