| Investments in Water and Water Systems | 
 The Company’s water and water systems consist of the following: 
 
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  | 
  | 
August 31, 2022  | 
  | 
August 31, 2021  | 
 
  | 
  | 
  | 
  | 
  | 
Accumulated  | 
  | 
  | 
  | 
  | 
Accumulated  | 
 
  | 
  | 
  | 
  | 
  | 
Depreciation  | 
  | 
  | 
  | 
  | 
Depreciation  | 
 
(In thousands)  | 
      | 
Costs  | 
      | 
and Depletion  | 
      | 
Costs  | 
      | 
and Depletion  | 
 
Rangeview water system  | 
  | 
$  | 
 19,881  | 
  | 
$  | 
 (2,099)  | 
  | 
$  | 
 17,526  | 
  | 
$  | 
 (1,470)  | 
 
Rangeview water supply  | 
  | 
  | 
 14,809  | 
  | 
  | 
 (17)  | 
  | 
  | 
 14,622  | 
  | 
  | 
 (17)  | 
 
Water supply – Other  | 
  | 
   | 
 7,612  | 
  | 
   | 
 (1,739)  | 
  | 
   | 
 7,569  | 
  | 
   | 
 (1,433)  | 
 
Sky Ranch water rights and other costs  | 
  | 
   | 
 7,764  | 
  | 
   | 
 (1,280)  | 
  | 
   | 
 7,338  | 
  | 
   | 
 (1,087)  | 
 
Sky Ranch pipeline  | 
  | 
   | 
 5,740  | 
  | 
   | 
 (984)  | 
  | 
   | 
 5,727  | 
  | 
   | 
 (793)  | 
 
Lost Creek water supply  | 
  | 
   | 
 7,041  | 
  | 
   | 
 —  | 
  | 
   | 
 3,374  | 
  | 
   | 
 —  | 
 
Fairgrounds water and water system  | 
  | 
   | 
 2,900  | 
  | 
   | 
 (1,415)  | 
  | 
   | 
 2,900  | 
  | 
   | 
 (1,327)  | 
 
Wild Pointe service rights  | 
  | 
   | 
 1,632  | 
  | 
   | 
 (1,082)  | 
  | 
   | 
 1,632  | 
  | 
   | 
 (775)  | 
 
Totals  | 
  | 
   | 
 67,379  | 
  | 
   | 
 (8,616)  | 
  | 
   | 
 60,688  | 
  | 
   | 
 (6,902)  | 
 
Net investments in water and water systems  | 
  | 
$  | 
 58,763  | 
  | 
  | 
  | 
  | 
$  | 
 53,786  | 
  | 
  | 
  | 
 
 
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| Useful Life By Asset Class | 
  
 
The following table presents the estimated useful lives by asset class used for calculating depreciation and depletion charges: 
 
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Assets Classes  | 
      | 
Estimated Useful Lives  | 
 
Wild Pointe  | 
   | 
Units of production depletion  | 
 
Rangeview water supply  | 
   | 
Units of production depletion  | 
 
Lost Creek water supply  | 
   | 
Units of production depletion  | 
 
Rangeview, Sky Ranch and WISE water systems  | 
   | 
30 years  | 
 
ECCV wells  | 
   | 
10 years  | 
 
Furniture and fixtures  | 
   | 
5 years  | 
 
Trucks and heavy equipment  | 
   | 
5 years  | 
 
Water system general (pumps, valves, etc.)  | 
   | 
5 years  | 
 
Computers  | 
   | 
3 years  | 
 
Water equipment  | 
   | 
3 years  | 
 
Software  | 
   | 
1 year  | 
 
 
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| Land and Mineral Interest | 
 As of August 31, the costs allocated to the Company’s land is as follows: 
 
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  | 
      | 
August 31, 2022  | 
      | 
August 31, 2021  | 
 
Sky Ranch land  | 
  | 
$  | 
 2,482  | 
  | 
$  | 
 2,601  | 
 
Sky Ranch development costs  | 
  | 
   | 
 4,073  | 
  | 
   | 
 3,105  | 
 
Lost Creek land  | 
  | 
   | 
 218  | 
  | 
   | 
 218  | 
 
Net land and mineral interests  | 
  | 
$  | 
 6,773  | 
  | 
$  | 
 5,924  | 
 
 
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