Water Around

PUBLIC WATER SYSTEM

Denver Water

Water testing, compliance records and water sources for this system. Check your utility bill to confirm your provider.

CO0116001Open in the atlas →

Public drinking-water record

Drinking-water testing

Denver Water · CO0116001. These are public water-system records, not a test of the tap water at your home.

PFAS testing

No PFAS detection above the reporting limit in these results. Most recent PFAS sample shown here: .

PFOA

Not detected above reporting limit

Sample date
Reporting limit
0.004 µg/L
Sample ID
K2504105-001

PFOS

Not detected above reporting limit

Sample date
Reporting limit
0.004 µg/L
Sample ID
K2504105-001

Selected latest compound samples from the published federal system record. Multiple sample points may share a date. A detection does not establish a violation. A non-detection does not mean PFAS-free. PFOA and PFOS limits and regulatory context are separate from these historical samples.

Lead and copper

Lead: 0.0031 mg/L, period ending 2025-12-31. These are system 90th-percentile results, not individual household concentrations.

EPA UCMR5 source and sampling program · EPA ECHO compliance and lead/copper records

Measurement coverage

No measurements available here

We do not have measurements to show for Denver Water in this section. Explore the connections below for related waters and water providers.

No measurement history available here

We do not have historical measurements to show for Denver Water. This does not mean it is unmonitored or that its water is safe or unsafe. You can still explore the information and source links on this page.

We do not have the full history of federal test results for this system yet.

Any available samples are shown above. Missing history does not tell us whether the water meets drinking-water standards.

Water sources

Where the water comes from

Denver Water receives water from Blue, Williams Fork, and Fraser river watersheds and South Platte basin and foothills collection, according to the source records.

The links show sources and suppliers, not the amount being delivered today. Select one for its source record.

Sources traced upstreamSource coverage does not measure water quality or reliability.

Your water system

Where it gets water

Sources and relationships as a list

Documented current sources or suppliers for Denver Water include Blue, Williams Fork, and Fraser river watersheds and South Platte basin and foothills collection. A relationship does not by itself establish the current delivered amount.

  1. Denver Water imports from Blue, Williams Fork, and Fraser river watersheds. Current. The relationship is documented; a current delivered amount is not available.
  2. Denver Water draws from South Platte basin and foothills collection. Current. The relationship is documented; a current delivered amount is not available.
Water source types explained

Surface waterWater drawn from rivers, lakes, or reservoirs.

GroundwaterWater pumped from aquifers—bodies of rock or sediment that store and transmit groundwater, not underground lakes.

Wholesale waterA regional supplier can supply your local provider without serving your household directly.

Imported waterYour drinking-water source basin can differ from the watershed where you live.

Connected water system

Blue, Williams Fork, and Fraser river watershedsriverExplore →South Platte basin and foothills collectionriverExplore →