Worldwide wastewater treatment observatory · United States · California

Aguas SB Observatory · public data to understand water

WWTP PASO ROBLES WWTP

The year refers to the inventory or source; it does not establish an individual observation date or current operation. Source note (original text): South Carolina uses 2008 because it did not participate in 2012. CSV has no state or per-row year field. This is not CWNS 2022.

California · official identifier HW:25898

33,673reported population served (people) (2012) · 1201st of 14,626

HydroWASTE v1.0 / United States · official identifier HW:25898 · reported size 33,673 reported population served (people) · reported treatment: Advanced · data year 2012. 1201st of 14,626 records with reported size in the inventory of United States; 0.01 % of the sum of those 14,626 records in people served (sum of records, not national capacity); nearest inventoried plant at 11.8 km. Reported data with their source; estimates are not measurements of the plant.

Aguas SB does not manage this wastewater treatment plant.

WHAT THE DATA REPORT

Reported data scientific inventory · 2012

33,673reported population served (people)
1201st of 14,626by reported size among the 14,626 records with a size in the inventory · 0.01 % of the sum of those records (sum of records, not national capacity) · the largest plants in the country · how it is calculated
TreatmentAdvanced · reported levels
Reported coordinates35.6490, -120.6880 position validation in the source: medium what it means
Source and yearHydroWASTE v1.0 / United States · dataset record

REGULATORY REFERENCES

Referencia normativa: United States

Regulatory framework of United States. Individual applicability is not determined in this profile.

LOCATION

California: this plant on the map

this plant on the map · regional directory.

NEARBY PLANTS

Nearby wastewater treatment plants

PlantDistancereported population served (people)Treatment
SAN MIGUEL STP11.8 km1,400Secondary
ATASCADERO WWTF18.8 km21,915Secondary
Heritage Ranch Sewer Treatm Plant19.4 km3,600Secondary
Oak Shores WWTF29.4 km751Secondary
Morro Bay Cayucos WWTF33.7 km17,284Primary

Distances are between reported coordinates; proximity does not establish a hydraulic connection.

QUESTIONS

Frequently asked questions about this plant

What capacity does WWTP PASO ROBLES WWTP report?

Reported size: 33,673 reported population served (people). Units are retained without conversion.

What treatment is reported?

Treatment Advanced. Nitrogen, phosphorus and UV are shown only when explicitly reported.

SOURCE AND CORRECTIONS

Source

reported data · HydroWASTE v1.0 / United States · data 2012 · edition 2012 · source licence: CC BY 4.0 · JSON for this plant · suggest a correction · catalogue 2026-11-06. Reported data, not a current inspection; no compliance judgements.