82901
Rock Springs, WY
Sweetwater County · Rock Springs, WY metro area
ROCK SPRINGS, CITY OF

Is Rock Springs tap water safe to drink?

Some concern
Last tested: October 2023
Source: Official EPA UCMR5 federal monitoring data. Last tested October 2023.
Townships:
  • Rock Springs South CCD, WY
  • Rock Springs North CCD, WY
  • Wamsutter CCD, WY
Neighborhood:
  • Rock Springs

The short answer for Rock Springs

Rock Springs tap water has 1 detected contaminant, currently below EPA limits (tested October 2023). lithium measured closest to the threshold. See the full compound-by-compound report.

The health risk for Rock Springs

lithium was detected in local water tests, currently below EPA limits. Even below-limit detections can still be meaningful for sensitive households, so a targeted certified filter can add protection.
  • PFAS or other chemicals detected; no confirmed exceedances in multiple samples.
lithium concentration (µg/L) October 2023
0 µg/L 10 µg/L 20 µg/L
9.500 µg/L
Detected
µg/L
10 µg/L
EPA limit
guideline
95% of limit
Comparison
vs. guideline
EPA limit: 10 µg/L | Your water: 9.500 µg/L
Add a Layer of Protection for Rock Springs Tap Water

lithium was detected below EPA limits. A certified filter can still add an extra layer of protection.

Water filter recommendation for Rock Springs tap water: Epic Pure XP Water Filter Pitcher
Pitcher filter
Epic Pure XP Water Filter Pitcher
NSF-certified dual-layer filtration reduces 70+ contaminants including PFAS, lead, chlorine, microplastics, and bacteria.
NSF/ANSI 42, 53, 401 & P473Removes 99.99% PFASMade in USABPA-free
Most elevated compounds
Compound Measurement EPA Limit Comparison
lithium
Tested: October 2023 · Rock Springs/Green River JP Intertie
9.500 µg/L 10 µg/L 95% of limit
View all tested compounds

Rock Springs/Green River JP Intertie · Tested: October 2023

Compound Measurement EPA Limit Comparison
lithium 9.500 µg/L 10 µg/L 95% of limit
PFHxS <0.003 µg/L 0.004 µg/L Below limit
HFPO-DA <0.005 µg/L 0.01 µg/L Below limit
PFNA <0.004 µg/L 0.01 µg/L Below limit
PFHxA <0.003 µg/L 3 µg/L Below limit
PFBA <0.005 µg/L 6 µg/L Below limit
11Cl-PF3OUdS <0.005 µg/L 0.005 µg/L Below limit
4:2 FTS <0.003 µg/L 0.003 µg/L Below limit
6:2 FTS <0.005 µg/L 0.005 µg/L Below limit
8:2 FTS <0.005 µg/L 0.005 µg/L Below limit
9Cl-PF3ONS <0.002 µg/L 0.002 µg/L Below limit
ADONA <0.003 µg/L 0.003 µg/L Below limit
PFBS <0.003 µg/L 0.003 µg/L Below limit
PFDA <0.003 µg/L 0.003 µg/L Below limit
PFDoA <0.003 µg/L 0.003 µg/L Below limit
PFHpA <0.003 µg/L 0.003 µg/L Below limit
PFHpS <0.003 µg/L 0.003 µg/L Below limit
PFOA <0.004 µg/L 0.004 µg/L Below limit
PFOS <0.004 µg/L 0.004 µg/L Below limit
PFPeA <0.003 µg/L 0.003 µg/L Below limit
PFTrDA <0.007 µg/L 0.007 µg/L Below limit
PFUnA <0.002 µg/L 0.002 µg/L Below limit

Water utilities serving ZIP 82901

Service area boundaries are approximate and based on state filings or modeled estimates. Contact your utility to confirm exact service at a specific address.

Modeled boundaries are shown with a dashed outline.

Frequently Asked Questions about ZIP 82901 Tap Water

What's in ZIP 82901 tap water?

ZIP 82901 has 1 detected contaminant below EPA limits in this dataset. lithium measured closest to its guideline.

Will boiling ZIP 82901 tap water remove lithium?

No. Boiling tap water does not remove lithium. Lithium is a dissolved mineral, so heat does not break it down and evaporation can actually concentrate it. Reverse osmosis (NSF/ANSI 58) is the most reliable at-home option for reducing lithium.

Do basic pitcher filters remove lithium?

Standard pitcher filters are not certified to reduce lithium. Reverse osmosis (NSF/ANSI 58) is the most widely available home option for reducing lithium in drinking water.

Who provides tap water in ZIP 82901?

Public records identify ROCK SPRINGS, CITY OF as a primary water system associated with ZIP 82901. Service boundaries can vary by address, so confirm exact service with the utility.

When was ZIP 82901 tap water last tested?

The most recent test date used in this report is October 2023. EnviroClarity last refreshed this page on 2026-05-04.

Where can I find the official water quality report for ZIP 82901?

Every U.S. public water system is required to publish an annual Consumer Confidence Report (CCR). Contact ROCK SPRINGS, CITY OF or visit their website for the latest official report covering ZIP 82901. The EPA also maintains a national CCR locator.

Primary source EPA UCMR5 (2023-2025)
Guideline source EPA PFAS drinking water standard (PFOA: 0,004 µg/L, effective 2024, compliance by 2031)
Last tested October 2023
Last page update 2026-05-04

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    Data reflects publicly reported utility records from EPA datasets and local utility disclosures. This information is educational and not medical advice.

    Filter Rock Springs tap water → see certified options