law: Water (Prevention and Control of Pollution) Act, 1974
  30. Power of State Board to Carry Out Certain Works.
  
  (1) Where under this Act, any conditions have
  
  been imposed on any person while granting consent under section 25 or section
  
  26 and such conditions require such person to execute any work in connection
  
  therewith and such work has not been executed within such time as may be
  
  specified in this behalf, the State Board may serve on the person concerned a
  
  notice requiring him within such time (not being less than thirty days) as may
  
  be specified in the notice to execute the work specified therein.
  (2) If the person concerned fails to execute the work as required in the notice
  
  referred to in sub-section (1), then, after the expiration of the time
  
  specified in the said notice, the State Board may itself execute or cause to be
  
  executed such work.
  (3) All expenses incurred by the State Board for the execution of the aforesaid
  
  work, together with interest, at such rate as the State Government may, by
  
  order, fix, from the date when a demand for the expenses is made until it is
  
  paid, may be recovered by that Board from the person concerned, as arrears of
  
  land revenue, or of public demand.