Sub-decree 235 on Management of Drainage of Waste Water Treatment System
- Combined system: refers to the drainage system which collect both wastewater and storm water
- Residential cluster: refer to the residential development area which individual owner of a plot of land (home) within the area has their own responsibility over that plot of land. The investors have no overall responsibility over the area.
- Borey/Residential Area: refer to the area for residential development which Borey owners / development investors still has overall responsibility over the area
- Septic tanks: refers to on-site tanks which receive wastewater from toilets and restrooms and stock to breakdown organic waste within the wastewater before discharging into public drainage system
- Khan administration shall fulfill its role on the management of main service lateral and service lateral within the jurisdiction and duties as the following:
- Approve request on drainage connection, request on drainage and wastewater treatment system service;
- Connect sewer pipe from houses to main service lateral and service later charging the set-up service fee;
- Implement on the fee collection of drainage and wastewater treatment system service;
- Municipal and district administrations shall fulfill its role on the management of drainage and wastewater treatment system within its jurisdiction and duties as the following:
- Connect sewer pipe from houses to main service lateral and service later charging the set-up service fee;
- Approve request on drainage connection, request on drainage and wastewater treatment system service;
- Carry out the fee collection of drainage and wastewater treatment system service;
- The Effluent Discharge Standard from business buildings, residential buildings, satellite towns and resorts, or recreation facilities into the sewage system that connected to the centralized wastewater treatment plant is stated in Annex 1 of this sub-decree.
- The Effluent Discharge Standard from business buildings, residential buildings, satellite towns and tourist sites, or recreation facilities that have passed through the on-site wastewater treatment system into public water areas or into sewage systems before overflowing into the public water areas, is set up in the Table in Annex 2 of this sub-decree.
- Owners of residential and cluster residential buildings are obliged to take responsibility for managing their generated wastewater as follows:
- Set up a septic tank in accordance with construction permits;
- Request for connecting sewer pipe to public drainage and pay for service fee;
- Pay for wastewater treatment plant service fee in case wastewater in urban is conveyed to be treated in wastewater treatment plant.
- Owners of the residential buildings and satellite town are obliged to responsible for managing theirs accumulated wastewater as follow:
- Construct on-site wastewater treatment plant to treat accumulated wastewater in accordance with Affluent Discharge Standard, set up in the Table in Annex 2 of this Sub-Decree, before discharging into public drainage or public water areas;
- Request for connecting sewer pipe to public drainage and pay only for drainage services in case only discharge primarily treated wastewater;
- Request for approval letter on discharging wastewater into public drainage and waterbody.
- In addition to duties on managing theirs accumulated wastewater as mentioned in the Article 20 (the above point) of this Sub-Decree, project owners of their new residential buildings and satellite cities are obliged to construct separated system in their projects.
- Requesting for connection of sewage network from any site into a public drainage system as stated in the provision of this Sub-Decree shall be authorized by local authority (municipal, district, khan) under technical consulting from:
- The municipal, district office of Public Works and Transport for the location area less than 30,000 square meters or building area less than 5,000 square meters;
- Provincial Department of Public Works and Transport for the location area range from 30,000 to 100,000 square meters or building area from 5,000 to 15,000 square meters;
- Ministry of Public Works and Transport for the location area more than 100,000 square meters or building area more than 15,000 square meters.
- The service delivery mechanisms related to the connection to the sewage network shall be complied with the Sub-Decree No. 18 ANKR.BK dated on February 8, 2017 on the establishment of the One Window mechanism for administrative services at sub-national administrations.
- The detailed procedures on requesting for connection of sewers to public drainage systems as prescribed in the regulations of this Sub-Decree shall be determined by a Prakas of the Minister of Ministry of Public Works and Transport.
- Residential buildings or satellite city in which on-site wastewater treatment plant is not set up or discharge wastewater into sewage system or public waterbody as its quality is not comply to the Discharge Standard as prescribed in the provision of this Sub-Decree shall be subjected to one or more of the following penalties:
- Written warning;
- Fine in cash from 1,000,000 Riels to 10,000,000 Riels.
- In case, keep committing the same offensives or not paying the transactional fine ones shall fine in cash from 5,000,000 Riels to 15,000,000 Riels.
- Residential buildings or satellite city connecting sewage pipe into public sewage system or discharge wastewater into drainage system or public water areas without permission as prescribed in the provision of this Sub-Decree shall be subjected to one or more of the following penalties:
- Written warning;
- Fine in cash from 500,000 Riels to 3,000,000 Riels.
- In case, keep committing the same offensives or not paying the transactional fine ones shall fine in cash from 1,000,000 Riels to 5,000,000 Riels.
- Residential buildings or satellite city as a new development project that fail to install sewage and drainage pipe separately in their domain as prescribed in the provision s of this Sub-Decree shall be subjected to one or more of the following penalties:
- Written warning;
- Fine in cash from 100,000 Riels to 10,000,000 Riels.
- Provisions of the Article 21 (project owners of their new residential buildings and satellite cities are obliged to construct separated system in their projects) of this Sub-Decree shall be applied to all residential development project or satellite city project that received Construction Approval after 1 January 2018.
