WWTP Hyperion WRP

Playa Del Rey · official identifier CWNS2022_06004010001

450MGD reported design flow (2022) · 4th of 15,772

EPA Clean Watersheds Needs Survey 2022 · official identifier CWNS2022_06004010001 · reported size 450 MGD reported design flow · reported treatment: Secondary · data year 2022. 4th of 15,772 records with reported size in the inventory of United States; 0.89 % of the sum of those 15,772 records in MGD (sum of records, not national capacity); nearest inventoried plant at 19.8 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 official data · 2022

450MGD reported design flow

4th of 15,772by reported size among the 15,772 records with a size in the inventory · 0.89 % of the sum of those records (sum of records, not national capacity) · the largest plants in the country · how it is calculated

Treatment	Secondary · reported levels
Reported coordinates	33.9308, -118.4349 precision reported by the source: 4 m what it means
Source and year	EPA Clean Watersheds Needs Survey 2022 · dataset record

FUENTES PÚBLICAS

What public sources report

Population of the served area (Instalación CWNS 06004010001): 2,800,773 inhabitants (2022, U.S. Environmental Protection Agency (EPA)).

Documented milestones

1925 · The first screening facility at the Hyperion site began operating. Ciudad de Los Ángeles
1950 · The new Hyperion plant opened with secondary treatment and sludge processing. Ciudad de Los Ángeles

Facts taken from public documents, with their date and link; an authorisation, a project or a planned capacity do not prove operation or quantities actually treated. Aguas SB editorial layer, lot L02; it does not change the official data.

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

Plant	Distance	MGD reported design flow	Treatment
LACSD (Joint Water Pollution Control Plant)	19.8 km	400	Secondary
Terminal Island WRP	26.1 km	30	Advanced
MALIBU WWTF	27.0 km	0.5	Secondary
L.A.-Glendale WRP	27.7 km	20	Advanced
Tillman WRP	28.1 km	80	Advanced

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

QUESTIONS

Frequently asked questions about this plant

What capacity does WWTP Hyperion WRP report?

Reported size: 450 MGD reported design flow. Units are retained without conversion.

What treatment is reported?

Treatment Secondary. 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.