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In 2018, Spain had 2059 urban waste water agglomerations of more then 2 000 population equivalent (p.e). These agglomerations generated a total load of 64 535 402 p.e. 99% of this load is connected to collecting systems and 1% addressed through Individual and Appropriate Systems (storage or septic tanks, micro-stations,...). These agglomerations are connected to 30 primary treatment plant, 566 secondary treatment plants and 1203 more stringent treatment plants. All these treatment plants have a total design capacity of 99 794 323 p.e.
Agglomeration : Generated load by collection
Generated Load by collection type (population equivalent – p.e.)

Generated Load by collection type (population equivalent – p.e.)

Destination | 2018 |
---|---|
Collected by collecting system | 63,628,387 pe, 98.6 % |
Individual and Appropriate Systems | 638,768 pe, 1 % |
Discharged without treatment | 268,248 pe, 0.4 % |
Total | 64,535,402 pe, 100 % |
*pe: Population equivalent, *%: Rate |
---|
Generated Load by sewage network type (population equivalent – p.e.)

Generated Load by sewage network type (population equivalent – p.e.)

Network type | 2018 |
---|---|
Separative and combine system | 5,923,633 pe 129 na |
Combine system | 28,985,459 pe 939 na |
Separative system | 136,381 pe 13 na |
No information | 29,489,929 pe 978 na |
*pe: Population equivalent, *na: Number of agglomerations |
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Agglomeration : Generated load by compliance
Total generated load by compliance (population equivalent – p.e.)

Total generated load by compliance (population equivalent – p.e.)

Compliance state | 2018 |
---|---|
Compliant | 54,102,996 pe |
Not Compliant | 10,432,406 pe |
Total | 64,535,402 pe |
*pe: Population equivalent |
---|
Number of agglomerations by compliance

Number of agglomerations by compliance

Compliance state | 2018 |
---|---|
Compliant | 1,579 |
Not Compliant | 480 |
Total | 2,059 |
*: Number of elements |
---|
Waste water treatment plant : Load entering by compliance
Total load entering by compliance (population equivalent – p.e.)

Total load entering by compliance (population equivalent – p.e.)

Compliance state | 2018 |
---|---|
Compliant | 57,180,657 pe |
Not Compliant | 7,767,592 pe |
Not relevant | 422,372 pe |
Not connected | 252,038 pe |
Total | 65,622,659 pe |
*pe: Population equivalent |
---|
Number of treatment plants by compliance

Number of treatment plants by compliance

Compliance state | 2018 |
---|---|
Compliant | 1,465 |
Not Compliant | 259 |
Not relevant | 75 |
Not connected | 220 |
Total | 2,019 |
*: Number of elements |
---|
Waste water treatment plant : Load entering by treatment type
Total load entering by treatment type (population equivalent – p.e.)

Total load entering by treatment type (population equivalent – p.e.)

Treatment type | 2018 |
---|---|
More stringent treatment | 52,691,907 pe |
Primary treatment | 668,790 pe |
Secondary treatment | 12,096,504 pe |
Not connected | 165,458 pe |
Total | 65,622,659 pe |
*pe: Population equivalent |
---|
Number of treatment plants by treatment type

Number of treatment plants by treatment type

Treatment type | 2018 |
---|---|
More stringent treatment | 1,204 |
Primary treatment | 31 |
Secondary treatment | 603 |
Not connected | 181 |
Total | 2,019 |
*: Number of elements |
---|
Agglomeration : generated load by agglomeration size
Total generated load by agglomeration size (population equivalent – p.e.)

Total generated load by agglomeration size (population equivalent – p.e.)

Size | 2018 |
---|---|
< 10,000 pe | 6,035,959 pe |
10,000 to 100,000 pe | 19,721,599 pe |
> 100,000 pe | 38,777,844 pe |
Total | 64,535,402 pe |
*pe: Population equivalent |
---|
Number of agglomerations by size

Number of agglomerations by size

Size | 2018 |
---|---|
< 10,000 pe | 1,265 |
10,000 to 100,000 pe | 668 |
> 100,000 pe | 126 |
Total | 2,059 |
*: Number of elements |
---|
Waste water treatment plant : Total load entering and discharged
Total load entering and discharged

Total load entering and discharged

2018 | ||
---|---|---|
Parameter | Entering | Discharged |
BOD | 45,203,231.75 tons/year | 3,288,591.14 tons/year |
COD | 93,088,440.63 tons/year | 31,994,686.12 tons/year |
N | 5,933,281.23 tons/year | 16,703,317.98 tons/year |
P | 707,244.42 tons/year | 1,421,125.36 tons/year |
BOD, COD, N, P concentration

BOD, COD, N, P concentration

2018 | ||
---|---|---|
Parameter | Entering | Discharged |
BOD | 11,644.05 mg/l | 847.12 mg/l |
COD | 23,978.96 mg/l | 8,241.62 mg/l |
N | 1,528.37 mg/l | 4,302.66 mg/l |
P | 182.18 mg/l | 366.07 mg/l |
MS Level statistics
Sludge destination

In 2018, 552,310 Tons DS of sludge was generated
Sludge destination

In 2018, 552,310 Tons DS of sludge was generated
Destination | 2018 |
---|---|
Discharged into surface waters : Pipelines | 0.0 |
Discharged into surface waters : Ships | 0.0 |
Discharged into surface waters : Others | 11,346.9 |
Re-used: Soil and agriculture | 423,514.0 |
Re-used: Others | 0.0 |
Disposed: Landfill | 54,212.1 |
Disposed: Incineration | 55,251.9 |
Disposed: Others | 7,984.4 |
Missing | 0.8 |
Total | 552,310.0 |
Legal compliance
Legal compliance for collection in p.e.

Legal compliance for collection in p.e.

Year | Compliant | Not compliant | Not relevant |
---|---|---|---|
2018 | 63,505,818 | 1,029,584 | - |
Legal compliance for collection by number of agglomerations

Legal compliance for collection by number of agglomerations

Year | Compliant | Not compliant | Not relevant |
---|---|---|---|
2018 | 2,054 | 5 | - |
Legal compliance for 2nd treatment in p.e.

Legal compliance for 2nd treatment in p.e.

Year | Compliant | Not compliant | Not relevant |
---|---|---|---|
2018 | 56,486,242 | 7,022,177 | 386,866 |
Legal compliance for 2nd treatment by number of agglomerations

Legal compliance for 2nd treatment by number of agglomerations

Year | Compliant | Not compliant | Not relevant |
---|---|---|---|
2018 | 1,511 | 440 | 108 |
Legal compliance for 3rd treatment in p.e.

Legal compliance for 3rd treatment in p.e.

Year | Compliant | Not compliant | Not relevant |
---|---|---|---|
2018 | 15,210,782 | 4,007,512 | 44,410,093 |
Legal compliance for 3rd treatment by number of agglomerations

Legal compliance for 3rd treatment by number of agglomerations

Year | Compliant | Not compliant | Not relevant |
---|---|---|---|
2018 | 213 | 63 | 1,783 |