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Revenue (Tables)
9 Months Ended
Sep. 30, 2025
Revenue [Abstract]  
Operating Revenues Disaggregated by Service and Customer Type
The following table shows the Company’s operating revenues disaggregated by service and customer type.

 
Three Months
Ended September 30
   
Nine Months
Ended September 30
 
   
2025
   
2024
   
2025
   
2024
 
Water utility service:
                       
Residential
 
$
11,343
   
$
10,887
   
$
32,219
   
$
31,153
 
Commercial and industrial
   
5,592
     
5,527
     
15,742
     
15,292
 
Fire protection
   
1,240
     
1,156
     
3,644
     
3,360
 
Wastewater utility service:
                               
Residential
   
1,695
     
1,578
     
4,891
     
4,554
 
Commercial and industrial
   
334
     
301
     
1,028
     
969
 
Billing and revenue collection services
   
18
     
121
     
61
     
373
 
Collection services
   
9
     
25
     
42
     
28
 
Other revenue
   
15
     
6
     
44
     
22
 
Total Revenue from Contracts with Customers
   
20,246
     
19,601
     
57,671
     
55,751
 
Rents from regulated property
   
115
     
114
     
345
     
342
 
Total Operating Revenue
 
$
20,361
   
$
19,715
   
$
58,016
   
$
56,093