Inventory of the WWTPs in Slovakia 2. Workshop on Environment In Budapest Ivan Šucha (Statistical Office of the Slovak Republic) Daniela Ďurkovičová (Slovak

Inventory of the WWTPsin Slovakia

2. Workshop on EnvironmentIn Budapest

Ivan Šucha (Statistical Office of the Slovak Republic)Daniela Ďurkovičová (Slovak Hydrometeorological

Institute)

Slovak Hydrometeorological Institute

Statistical Office of the Slovak Republic

Water Research Institute

1. Content of Presentation

• Topics covered by the service contract• Problems and solutions on table 5• Statement on the progress




2. Topics Covered by the Service Contract

• Unification of databases– Statistical Office of the Slovak Republic– Slovak Hydrometoerological Institute– Water Research Institute

• Inventory of the WWTPs in Slovakia– Types of WWTPs– Preparation of questionnaire and data collection– Usefulness of the inventory




2.1. Unification of Databases

• Establishment of a working group (SO SR, SHMU and VUVH)

• Inventorying of existing indicators• Comparison of methodologies• Comparison with JQ• Selection of new or missing indicators• Elaboration of the timetable• Assessment of databases of individual subjects and

possibility of integration and the data exchange




2.2. Inventory of WWTPs

• Types of WWTPs– Communal– Municipal– Industrial

• Property and operation of WWTPs– Water and sewerage companies vs. municipalities– Obtaining the addresses (known and new)





• Preparation of questionnaire– List of indicators– Working out the draft of the questionnaire– Commenting, consulting– Final draft with methodological instructions– Distribution of questionnaires





• Further steps (not covered by service contract)– Collecting of questionnaires and data typing– Prompting and refilling of missing or incomplete

questionnaires– Data processing– Maintenance and refilling system– Publishing





• Usefulness of the inventory– Providing data for international needs– Data for decision process on all levels– Backgrounds for deciding to connect to existing

WWTP– Background for deciding of the location of new

WWTP




3. Problems and solutions on table 5

• Capacity of WWTPs in terms of BOD– Designed capacity BOD– Actual occupation BOD– Effluent BOD – not solved

• Monitoring of BOD5,ATU




3. Problems and solutions on table 5

• Dividing according to the type of treatment– Primary– Secondary– Tertiary

• With nitrogen removal• With phosphorus removal




4. Statement of the progress

• Comparison of methodologies• Obtained addresses (sources):

– SO SR– SHMU– VUVH– Other





• Questionnaire draft• Methodological explanatory• Final questionnaire for WWTPs

– Sent out (more than 800 units)– Communication with Statistical units– Collecting of receiving questionnaires– Preparing macro for data typing and processing




• Questionnaire (for illustration)Questionnaire (for illustration)


Statistical Office of Statistical Office of the Slovak Republicthe Slovak Republic



• Main items of questionnaire– Owner– Operator– Location of the WWTP– Type of WWTP (primary, secondary, tertiary)– Treatment methods– Users (key producers of waste water)





• Main items of questionnaire– Capacity (design and actual)– Dates– Date of reconstruction or significant change– Sludge production– Sludge treatment




• Thank you for attention




Documents

Inventory of the WWTPs in Slovakia 2. Workshop on Environment In Budapest Ivan Šucha (Statistical Office of the Slovak Republic) Daniela Ďurkovičová (Slovak