Constructed wetland in Vidrare, Bulgaria

Title Constructed wetland in Vidrare, Bulgaria
Description
Preview image No image
Preview image caption
Creators fullname Laszlo Cseh
Contributors fullname
NWRM
Site information
Climate zone
warm temperate moist
Mean rainfall
507
Mean rainfall unit
mm/year
Average temperature
11
Average imperviousness
100
Type
Case Study Info
Light or indepth?
Light
Average slope range
5.0
Design and implementations
Application scale
Building
Installation date
2011-04
Performance timescale
< 1 year
Area subject to Land use change or Management/Practice change (ha)
0,0399999991059303
Size
0,0659999996423721
Size unit
ha
Max water retention capacity
11
Max water retention capacity unit
m3/day
Constraints
Presence of many underground cables and pipes, which had not been mentioned in previous documentation.
Favourable preconditions
Existing sewerage, gully and river as receiving water, slope in the yard and available space
Outflow volume
11
Outflow volume unit
m3/day
Public consultation
1
Design contractual arrangement
No data
Design consultation activity
Activity stage Key issues Name Comments
Seminar
November 19th, 2010; 25 particiapsnts; &#039;Related to the construction of the first constructed wetland in bulgaria
National Conference
April 29th, 2011 in Gran Hotel Sofia; Presenting constructed wetlands as a sustainable and cost-effective wastewater treatment system
Design land use change
No data
Design authority
Authority type Role Responsibility Name Comments
NGO
Initiation of the measure
Women in Europe for a Common Future (WECF)
International ONG
Local water authority
Initiation of the measure
Pravets Municipality
Co-funding
Initiation of the measure
Ecoworld 2007 of Bulgaria
NGO
Financing
German Federal Environmental Fundation
Determination of design details of the measure
Otter Wasser
Also instruction of staff for the maintenance of the constructed wetland
Lessons, risks, implications
Key lessons
Small scale constructed wetland for water treatment could be good demonstration of specific type of NWRM with direct economic and water quality benefits. Constructed wetlands are so far rarely used in spite of the successful pilot tests.
Financing difficulties
0
Success factor(s)
Success factor type Success factor role Comments
Financing possibilities
main factor

In rural areas, there is a lack of financial, technical and staff resources, thus low-tech, cost-efficient and sustainable wastewater management systemas are needed
Attitude of relevant stakeholders
secondary factor
Financing
Financing type Comments
Other
German Federal Environment Foundation
Barrier
No data
Driver
Driver type Driver role Comments
Organisation committed to it
main driver
WECF NGO
Financing share
No data
Policy, general governance
Policy description
Ground water contamination due to untreated sewage discharge
Part of wider plan
0
Policy target
Target purpose
Pollutants Removal
Policy pressure
No data
Policy area
No data
Policy impact
No data
Policy wider plan
No data
Policy requirement directive
No data
Socio economic
Costs investment
45000
Costs operational information
The operation and maintenance costs depends on the local cost of energy and staff. Require time and energy supply: time 1.5h/week; energy 2kWh/d; sludge disposal 36m3/yr
Costs total
45000
Costs total information
Investment costs: excavation and piping(12000), per-treatment step (6000); Soil filter: liner(6000), grave and sand(7000), pipes (9500), pumps (4500)
Ecosystem improved biodiversity
0
Ecosystem provisioning services
0
Ecosystem water supply
0
Ecosystem impact climate regulation
Not relevant for the specific application
Biophysical impacts
Retained water
272
Retained water unit
m3/month
Increased water storage
272
Increased water storage unit
m3/month
Ecosystem erosion control
0
Water quality overall improvements
Positive impact-WQ improvement
Soil quality overall soil improvements
Not relevant for this application
Monitoring maintenance
Monitoring impacts effects
1
Monitoring location
Laboratory
Performance
Performance impact estimation method
Edge of Field/Plot
Performance impact estimation information
Difference between samples in inflow and outflow
Measures
sources
Nwrm type Light
Nwrm geolocation 24.01,42.99305
General
National Id
Bulgaria_06
Site name
St. Panteleimon Home for children, Vidrare
Summary
The Women in Europe for a Common Future (WECF), implemented the first constructed wetland in Vidrare, Pravetz, Bulgaria, for on-site treatment of domestic waste water of a children's home combined with capacity building for professionals.
NUTS Code
Югозападен (Yugozapaden)
RBD code
BG1000
Transboundary
0
Data provider
REC
Longitude
24.01
Latitude
42.99305
EEA core metadata
Topics
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Rights
Other organisations involved
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