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Significant Accounting Policies (Tables)

12 Months Ended

Dec. 31, 2024

Significant Accounting Policies [Abstract]

Utility Plant

The following remaining lives are used for financial reporting purposes:

		December 31								Approximate range
Utility Plant Asset Category		2024				2023				of remaining lives
Mains and accessories		$	308,020			$	286,993			14 – 86 years
Services, meters, and hydrants			106,200				98,387			14 – 47 years
Operations structures, reservoirs, and water tanks			143,821				89,207			9 – 54 years
Pumping and treatment equipment			51,906				44,719			6 – 34 years
Office, transportation, and operating equipment			20,519				19,292			3 – 19 years
Land and other non-depreciable assets			5,833				5,685				–
Utility plant in service			636,299				544,283
Construction work in progress			28,628				75,918				–
Total Utility Plant		$	664,927			$	620,201

Regulatory Assets and Liabilities

Regulatory assets and liabilities are comprised of the following:

		December 31								Remaining Recovery
		2024				2023				Periods
Assets
Income taxes		$	40,880			$	35,885			Various
Unrealized swap losses			382				632			1 – 5 years
Utility plant retirement costs			10,221				9,592			5 years
Customer-owned lead service line replacements			1,173				1,257			Various
Income taxes on customers’ advances for construction and contributions in aid of construction			1,176				1,250			Various
Service life study expenses			14				19			3 years
Rate case filing expenses			215				314			2 years
		$	54,061			$	48,949
Liabilities
Excess accumulated deferred income taxes on accelerated depreciation		$	13,090			$	13,286			Various
Postretirement benefits			22,825				21,196			Not yet known
Income taxes			6,520				6,516			Various
IRS TPR catch-up deduction			2,376				2,635			9 years
		$	44,811			$	43,633

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- Definition

Tabular disclosure of public utility physical assets used in the normal conduct of business and not intended for resale. Includes, but is not limited to, balances by class of assets, depreciation expense and method used, including composite depreciation, and accumulated depreciation.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Topic 980
-SubTopic 20
-Section 45
-Paragraph 1
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481834/980-20-45-1

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The entire disclosure for detailed information about regulatory assets and liabilities, including current and noncurrent assets created when regulatory agencies permit the deferral of costs to the balance sheet that would otherwise be required to appear on the company's income statement and would be charged against current expenses or revenues, as well as current and noncurrent liabilities created when regulatory agencies permit.

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