Waste treatment · Septic tank

Poisoning of a human urination

We are planning a collection plan for each district, collecting up to 3 times per household between April and December.
For the planning collection, the collecting month is decided for each community association etc., and the business person sequentially collects from the applied home.

business person

Tsukagoshi Industry Co.Ltd
Niseko Town character Fujimi 150

Universe Collection Fee

Basic charge (up to 360 liters)3,384円
Excess charge (over 360 liters)1リットルあたり9.4円
  • Including consumption tax and local consumption tax
The collected and transported night soil and septic tank sludge are jointly established by four towns and villages in Kutchan, Niseko Town, Makkari, Rusutsu, Kibetsu, and Kyogoku, to form the `` Yotei Sanroku Environmental Sanitation Association '' and treat it there. You.
Click the following URL for the homepage of the Yotei Sanitation Environmental Health Association.

Merger treatment septic tank maintenance project subsidy

Promote the installation of combined treatment septic tanks that can treat both domestic wastewater and toilet sewage in undeveloped areas such as sewers, to prevent pollution in public water areas, to protect the living environment, and to protect public health. For the purpose of improvement, we are conducting a merger processing septic tank installation and maintenance business.
You can download the application form from the Niseko Town Hall Town Citizens' Life Section or from the following location.
If you are planning to install a new merger treatment septic tank, or if you are considering switching from scooping type or single septic tank, please utilize by all means. Moreover, since various conditions for receiving assistance are listed, please have a look.
Note: Please be aware that you can not receive assistance if you do construction work of the septic tank before making auxiliary decision.


Person tank classificationNew construction by new construction of houses or expansion and remodelingSwitch from scoop type toilet or single septic tank
5 people bath400 thousand yen490,000 yen
7 people bath490,000 yen600,000 yen
10 people bath680,000 yen840,000 yen
  • When installing a merger treatment septic tank in a building as a residence, we will issue a subsidy. (With auxiliary requirementNote 1)
  • The amount of the subsidy is 45% of the new installation construction cost of the main body, 55% of the renovation, and the limits by person bath are as shown in the table above.

Note 1: Conditions for receiving subsidy

  • Must be a merger septic tank installed in a house. (The villa is not eligible.)
  • Must be 10 people or less
  • Niseko Town if it were a peopleLived in Niseko Town over 5 years after transferTo do (Necessary to move address)
  • Be outside the treatment area of ​​public sewerage and agricultural settlement wastewater treatment facility
  • Construction according to construction standards stipulated by the town
  • To be construction by a business operator having septic tank equipment
  • Approval of the notification of the Septic tank law or application for confirmation by the Building Standard Law is permitted
  • Not being a residential house for sale
  • Do not be delinquent public utility charges such as town tax and water fee etc
  • Please be aware that if you start construction before the “Subsidy Grant Notification” (issued after the subsidy application), you will not be eligible for subsidy.
◎ Please contact us for information regarding septic tank installation or renewal / reconstruction of an existing merged septic tank when rebuilding or expanding a house with a merged septic tank.


Various procedure of the septic tank

In case of a change etc., please file it promptly.

Submit to

Niseko Town Hall Town Citizen Living Section Living Environment Section
at a time like thisThings to submit
When starting useActivation report
When the administrator changesAdministrator change report
When discontinuedDiscontinuation report

Water purification of the toilet accompanying installation of the septic tank · Subsidy for the drainage facility construction · Financing system

For elderly people, mothers and children, families who are physically impaired, and those who are receiving living assistance, there is an aid system for wastewater treatment, drainage facility construction fee accompanying installation of a septic tank, and a loan system. (Note 1 with auxiliary requirement)

Subject expenses

  • Construction fee for remodeling the existing take-over type to flush toilet
  • Drainage pipes that drain wastewater from the house to the septic tank Facility construction cost
  • Construction cost of drain pipes and other equipment flowing from the septic tank to side grooves etc.

Subsidy system

We assist the amount of 35% of the subsidized construction fee such as water washing. However, the limit amount is 200,000 yen.

Loan system

Loan amountWe will finance the amount deducting the subsidy from construction fee. The limit amount is 400,000 yen.
Repayment period of fundsWithin 40 months from the month following the month that received the loan
Interest burdenInterest exceeding 1% is borne by the town
Handling financial institutionHokkaido Shinkin Bank Niseko Branch Yotei Agricultural Cooperative Association Niseko Branch Office

Note 1: Conditions for receiving subsidy

  • It is construction work of washing of existing houses
  • Being the owner of the house or being a resident with the consent of the owner
  • Be outside the treatment area of ​​public sewer and agricultural settlement drainage facility
  • Being a residential building (for housing combined with shops only for residence)
  • Do not be delinquent public utility charges such as town tax and water fee etc

Maintaining the septic tank

The septic tank will lose its function unless it maintains proper maintenance and it will harm the environment such as deterioration of water quality and generation of offensive odor. In order to maintain proper maintenance, it is necessary to perform the following legal inspection, maintenance inspection, cleaning, etc.

Legal inspection of Hokkaido septic tank association

Article 7 inspection (water quality inspection after installation)

After 3 months of use, we will conduct an inspection to confirm that the septic tank is functioning properly.

Article 11 inspection (regular inspection)

Every year, we conduct inspections to confirm that maintenance and cleaning are properly implemented.

Inspection fee

Person to be treatedArticle 7 InspectionArticle 11 Inspection
5 to 20 people12,000 yen13,000 yen\6,0008,000 yen
21 to 50 people16,000 yen17,000 yen¥ 10,00012,000 yen
51 to 100 people20,000 Yen20,000 Yen12,000 yen13,000 yen
101 to 300 people¥ 30,00020,000 Yen
301 to 500 people40,000 yen¥ 30,000
501 people50,000 yen¥ 42,000

Maintenance inspection / cleaning etc.

The following work is performed to properly maintain the septic tank. You will be charged a fee if you ask the contractor for maintenance and cleaning. Niseko Town, "(with) Tsukagoshi Sangyo" and "(with) Takayama Denki" are designated.

Maintenance and inspection

It is a work to investigate the operation status of the unit equipment and accessories of the septic tank, the operation condition of the whole facility and the quality of discharged water, etc., to find out abnormality and breakdown at an early stage and to take precautionary measures.


We will draw out sludge etc. inside the septic tank, adjust the sludge etc. inside the tank, clean and clean the unit equipment of accessory equipment and proper treatment of the sludge drawn out.
Note: Since the amount may not be up-to-date, please contact the Hokkaido Septic tank Association or maintenance inspection company for details.

Inquiries regarding information on this page

Living Environment Division, Town Community Living Section