Worldwide wastewater treatment observatory · Germany

Aguas SB Observatory · public data to understand water

WWTP Bochum-Oelbachtal

Germany · official identifier DETP_NW1201

293,000h-e design capacity (2022) · 71st of 3,798

European Environment Agency — Waterbase-UWWTD, data call 2023 (versión final pública) · official identifier DETP_NW1201 · reported size 293,000 h-e design capacity · received load 187,245 h-e · reported treatment: PST · data year 2022. 71st of 3,798 records with reported size in the inventory of Germany; 0.20 % of the sum of those 3,798 records in h-e (sum of records, not national capacity); nearest inventoried plant at 10.3 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

293,000h-e design capacity

187,245h-e received load (2022)

64 %reported load/capacity ratio (not hydraulic utilisation)

71st of 3,798by reported size among the 3,798 records with a size in the inventory · 0.20 % 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 + tertiary (more stringent) (as reported to the EEA: PST) · reported levels
Nitrogen removal	yes
Phosphorus removal	yes
UV disinfection	not reported
Status	active
Reported coordinates	51.4480, 7.2906 precision reported by the source: level 1 what it means
Source and year	European Environment Agency — Waterbase-UWWTD, data call 2023 (versión final pública) · dataset record

FUENTES PÚBLICAS

What public sources report

Population of the served area (Bochum-Oelbachtal): 187,033 inhabitants (2025, North Rhine-Westphalia environmental authority).

Other published data

Mean annual volume treated reported in the 2022 cycle	26,864,000 m³/year (2022) · source

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 L05; it does not change the official data.

REGULATORY REFERENCES

Referencia normativa: Germany

Regulatory framework of Germany · Directive (EU) 2024/3019: reported-capacity band 150,000 p.e. or more; obligations are set by agglomeration load, not by the capacity of this plant. Individual applicability is not determined in this profile.

SCENARIO

Reference energy scenario for this load estimate · simulator engine

5,745,406reference kWh per year for this load

30.7kWh per h-e (average load) per year

861,811€ per year at 0.15 €/kWh

58 %share of energy used for aeration

what this estimate is · Inputs: 187,245 p.e. of reported load; equivalent average load 187,395 p.e. with the reference profile of Germany (hypothesis with reported load and reference profile; not a measurement). Open this scenario in the simulator · how it is calculated and what it is not.

Reference scenario computed on the server from the reported load and the country profile; an estimate, not a measurement. The simulator recomputes it when opened.

WATER THAT COULD RETURN

Reuse potential

14.8estimated hm³ of treated water per year

tertiary treatment reporteda starting point for reclamation

what this estimate is · Volume estimated from the reported load (40,445 m³/day of reference), not measured or available for reclamation.

LOCATION

Germany: 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
Ka Hagen	10.3 km	235,000	191,674	primary, secondary and tertiary
Hattingen	10.4 km	100,000	72,589	primary, secondary and tertiary
Essen-Burgaltendorf	11.1 km	44,200	32,760	primary, secondary and tertiary
Dortmund-Deusen	13.7 km	705,000	642,484	primary, secondary and tertiary
Gevelsberg	13.9 km	90,000	68,123	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 Bochum-Oelbachtal report?

Reported size: 293,000 h-e design capacity. Received load: 187,245 h-e. Units are retained without conversion.

What treatment is reported?

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

How much energy would a reference plant use with the load of Bochum-Oelbachtal?

Aguas SB simulator reference scenario for 187,245 p.e. of reported load: 5,745,406 kWh per year (30.7 kWh per p.e. of average load), with aeration as 58 % of consumption. Estimate with the country reference profile; not a measurement of the plant.

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.