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Revenue (Tables)
3 Months Ended
Mar. 31, 2021
Revenue [Abstract]  
Revenues Disaggregated by Service and Customer Type
The following table shows the Company’s revenues disaggregated by service and customer type.

 
 
Three Months
Ended March 31
 
 
 
2021
  
2020
 
Water utility service:
      
Residential
 
$
8,145
  
$
8,077
 
Commercial and industrial
  
3,310
   
3,341
 
Fire protection
  
806
   
801
 
Wastewater utility service:
        
Residential
  
471
   
410
 
Commercial and industrial
  
79
   
76
 
Billing and revenue collection services
  
119
   
15
 
Collection services
  
   
14
 
Other revenue
  
10
   
5
 
Total Revenue from Contracts with Customers
  
12,940
   
12,739
 
Rents from regulated property
  
141
   
138
 
Total Operating Revenue
 
$
13,081
  
$
12,877