Worldwide wastewater treatment observatory · United States · California

Aguas SB Observatory · public data to understand water

WWTP Michelson WRP

Irvine · official identifier CWNS2022_06008033001

28MGD reported design flow (2022) · 292nd of 15,772 (tied with 4 others)

EPA Clean Watersheds Needs Survey 2022 · official identifier CWNS2022_06008033001 · reported size 28 MGD reported design flow · reported treatment: Advanced · data year 2022. 292nd of 15,772 records with reported size in the inventory of United States (tied with 4 others); 0.06 % of the sum of those 15,772 records in MGD (sum of records, not national capacity); nearest inventoried plant at 9.9 km · 1 within 10 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 official data · 2022

28MGD reported design flow
292nd of 15,772by reported size among the 15,772 records with a size in the inventory (tied with 4 others) · 0.06 % 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 coordinates33.6707, -117.8348 precision reported by the source: 4 m what it means
Source and yearEPA Clean Watersheds Needs Survey 2022 · 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

PlantDistanceMGD reported design flowTreatment
OCSD WRP No. 19.9 km182Secondary
OCWD Groundwater Replenishment System (GWRS)10.5 km100Advanced
OCWD Green Acres Project (GAP)10.6 km7.5Advanced
Irvine Ranch Water District (Los Alisos WRP)11.5 km7.5Advanced
El Toro Water District (Water Reclamation Plant)11.5 km6Advanced

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

QUESTIONS

Frequently asked questions about this plant

What capacity does WWTP Michelson WRP report?

Reported size: 28 MGD reported design flow. 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 · EPA Clean Watersheds Needs Survey 2022 · data 2022 · edition 2022 · source licence: Public domain (EPA geospatial default; see LICENCIA.txt) · JSON for this plant · suggest a correction · catalogue 2026-11-06. Reported data, not a current inspection; no compliance judgements.