Water Around

PUBLIC WATER SYSTEM

City of San Diego Public Utilities

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

CA3710020Open in the atlas →

Public drinking-water record

Drinking-water testing

City of San Diego Public Utilities · CA3710020. 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
W1609597

PFOS

Not detected above reporting limit

Sample date
Reporting limit
0.004 µg/L
Sample ID
W1609602

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 mg/L, period ending 2023-12-31. 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 City of San Diego Public Utilities 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 City of San Diego Public Utilities. 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

City of San Diego Public Utilities receives water from San Diego County Water Authority, 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

Who supplies it

Sources and suppliers

How it reaches the region

How it reaches the region

Sources and relationships as a list

Documented current sources or suppliers for City of San Diego Public Utilities include San Diego County Water Authority. A relationship does not by itself establish the current delivered amount.

  1. City of San Diego Public Utilities purchases from San Diego County Water Authority. Current. The relationship is documented; a current delivered amount is not available.
  2. San Diego County Water Authority supplied by Claude “Bud” Lewis Carlsbad Desalination Plant supply. Current. The relationship is documented; a current delivered amount is not available.
  3. San Diego County Water Authority purchases from Metropolitan Water District of Southern California. Current. The relationship is documented; a current delivered amount is not available.
  4. San Diego County Water Authority imports from Colorado River. Current. The relationship is documented; a current delivered amount is not available.
  5. Metropolitan Water District of Southern California supplied by California Aqueduct. Current. The relationship is documented; a current delivered amount is not available.
  6. Metropolitan Water District of Southern California supplied by Colorado River Aqueduct. Current. The relationship is documented; a current delivered amount is not available.
  7. California Aqueduct supplied by California State Water Project. Current. The relationship is documented; a current delivered amount is not available.
  8. Colorado River Aqueduct imports from Colorado River. 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

San Diego County Water Authority · Detail page unavailable