Sludge fee 2024



The sludge regulations' fee model - § 3-3

Annual fee = OxT + PxVxT, there

O - attendance price - NOK / facility
P - price for emptying and treatment - NOK / m³ by type of facility:
a) Sludge separator
b) Tight tank
c) Mini treatment plant
V - tank volume - m3, minimum 4 m3
T - emptying frequency - emptying / year (for emptying every 4 years T = 1/4)

  • Difficult availability: 50% surcharge on attendance price
  • Lack of preparation: 100% surcharge on attendance price
  • Extra emptying: 75% surcharge on attendance price
  • Emergency emptying: 250% surcharge on attendance price
DescriptionPrice ex. VATPrice inc. VAT
Access / attendance per. gang746,00kr933,00 kr
Emptying and treatment - sludge separators; pr m3451,00kr564,00 kr
Emptying and treatment - tight tank; pr m3382,00kr478,00 kr
Emptying and treatment - mini treatment plant; pr m3382,00kr478,00 kr
Municipal surcharge
Orkland municipality - annual surcharge per. facilities (exercise of authority, VAT-free)462,50kr
Rindal municipality - annual surcharge (exercise of authority, VAT-free)210,00kr
Rennebu municipality - additional closed tank, per m326,28kr
Frøya municipality - annual surcharge inspection and control, pr. plant, for drainage systems with 1-3 units (exercise of authority, VAT-free)555,00kr
Frøya municipality - annual surcharge inspection and control, pr. plant, for drainage systems with 4-9 units (exercise of authority, VAT-free)1110,00kr
Frøya municipality - annual surcharge inspection and control, pr. plant, for drainage systems with> 10 units (exercise of authority, VAT-free)2220,00kr
Skaun municipality - inspection of scattered sewage (exercise of authority, VAT-free)1016,00kr
Melhus municipality - supervision of scattered sewers (exercise of authority, VAT-free)564,00kr
Averøy municipality - annual surcharge for inspection and control of scattered sewage550,00kr
Averøy municipality - annual surcharge for inspection and control of scattered sewage, greywater facilities650,00kr
Midtre Gauldal – inspection and control of scattered drains520,00kr
Midtre Gauldal - inspection and control of scattered drains >49 person equivalents1360,00kr
Example of calculation annual fee sludge separator 4m3 with emptying every 2 years (excl. Municipal surcharge)
Sludge separator - volume 0 - 4 m3, every 2 years NOK
Access / attendance: 746, - divided into two, due to attendance every other year, ie 373, - per year
Emptying and treatment: 451, - per m3 times 4 m3, divided into two due to emptying every other year, ie 902, - per year.
The sum per year will then be NOK 1275 ex. VAT.

Renovation fee