WWTP RIOSA

Lena · official identifier ES3330330380000E

6,500h-e design capacity (2022) · 1269th of 2,166 (tied with 13 others)

European Environment Agency — Waterbase-UWWTD, data call 2023 (versión final pública) · official identifier ES3330330380000E · reported size 6,500 h-e design capacity · received load 3,229 h-e · reported treatment: PS · data year 2022. 1269th of 2,166 records with reported size in the inventory of Spain (tied with 13 others); < 0.01 % of the sum of those 2,166 records in h-e (sum of records, not national capacity); nearest inventoried plant at 3.8 km · 3 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

6,500h-e design capacity

3,229h-e received load (2022)

50 %reported load/capacity ratio (not hydraulic utilisation)

1269th of 2,166by reported size among the 2,166 records with a size in the inventory (tied with 13 others) · < 0.01 % of the sum of those records (sum of records, not national capacity) · the largest plants in the country · how it is calculated

Treatment	primary + secondary (as reported to the EEA: PS) · reported levels
Nitrogen removal	yes
Phosphorus removal	yes
UV disinfection	not reported
Status	active
Reported coordinates	43.2710, -5.8660 reported precision: approximate (~111 m) what it means
Source and year	European Environment Agency — Waterbase-UWWTD, data call 2023 (versión final pública) · dataset record

REGULATORY REFERENCES

Referencia normativa: Spain

Regulatory framework of Spain · Directive (EU) 2024/3019: reported-capacity band 1,000 to 9,999 p.e.; obligations are set by agglomeration load, not by the capacity of this plant. Individual applicability is not determined in this profile.

LOCATION

Asturias: this plant on the map

this plant on the map · regional directory.

NEARBY PLANTS

Nearby wastewater treatment plants

Plant	Distance	Capacity (h-e)	Load 2022	Treatment
Baiña	3.8 km	108,125	75,190	primary and secondary
Olloniego	5.0 km	5,916	3,782	primary and secondary
Las Caldas	7.2 km	81,800	12,938	primary and secondary
San Claudio	10.3 km	130,283	73,022	primary, secondary and tertiary
Frieres	11.5 km	103,933	81,276	primary, secondary and tertiary

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

QUESTIONS

Frequently asked questions about this plant

What capacity does WWTP RIOSA report?

Reported size: 6,500 h-e design capacity. Received load: 3,229 h-e. Units are retained without conversion.

What treatment is reported?

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

SOURCE AND CORRECTIONS

Source

reported data · European Environment Agency — Waterbase-UWWTD, data call 2023 (versión final pública) · data 2022 · edition 2023 · 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.