# EDGAR Filing Document

**Accession Number:** 0001035201
**File Stem:** 0001104659-25-066968
**Filing Date:** 2025-7
**Character Count:** 9253
**Document Hash:** f3f4a4c675be84e7042d8587a6fe71a2
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001104659-25-066968.hdr.sgml**: 20250710

**ACCESSION NUMBER**: 0001104659-25-066968

**CONFORMED SUBMISSION TYPE**: 8-K

**PUBLIC DOCUMENT COUNT**: 15

**CONFORMED PERIOD OF REPORT**: 20250710

**ITEM INFORMATION**: Regulation FD Disclosure

**ITEM INFORMATION**: Financial Statements and Exhibits

**FILED AS OF DATE**: 20250710

**DATE AS OF CHANGE**: 20250710

**FILER**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** CALIFORNIA WATER SERVICE GROUP
- **CENTRAL INDEX KEY:** 0001035201
- **STANDARD INDUSTRIAL CLASSIFICATION:** WATER SUPPLY [4941]
- **ORGANIZATION NAME:** 01 Energy & Transportation
- **EIN:** 770448994
- **STATE OF INCORPORATION:** DE
- **FISCAL YEAR END:** 1231

**FILING VALUES:**
- **FORM TYPE:** 8-K
- **SEC ACT:** 1934 Act
- **SEC FILE NUMBER:** 001-13883
- **FILM NUMBER:** 251116208

**BUSINESS ADDRESS:**
- **STREET 1:** 1720 N FIRST ST
- **STREET 2:** C/O CALIFORNIA WATER SERVICE CO
- **CITY:** SAN JOSE
- **STATE:** CA
- **ZIP:** 95112
- **BUSINESS PHONE:** 4083678200

**MAIL ADDRESS:**
- **STREET 1:** 1720 FIRST ST
- **STREET 2:** C/O CALIFORNIA WATER SERVICE CO
- **CITY:** SAN JOSE
- **STATE:** CA
- **ZIP:** 95112

?xml version='1.0' encoding='ASCII'?

**UNITED STATES**

**SECURITIES AND EXCHANGE COMMISSION**

**Washington, D.C. 20549**

**FORM 8-K**

**Current Report Pursuant to Section 13 or 15(d) of The Securities Exchange Act of 1934**

Date of Report (date of earliest event reported): **July 10, 2025**

**CALIFORNIA WATER SERVICE GROUP**

(Exact name of Registrant as Specified in its Charter)

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| | | |
|:---|:---|:---|
| **Delaware**<br> (State or other jurisdiction<br> of incorporation) | **1-13883**<br> (Commission file number) | **77-0448994**<br> (I.R.S. Employer<br> Identification Number) |

---

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| | |
|:---|:---|
| **1720 North First Street**<br>**San Jose, California**<br> (Address of principal executive offices) | **95112**<br> (Zip Code) |

---

**(408) 367-8200**

(Registrant's telephone number, including area code)

**N/A**

(Former name or former address, if changed since last report)

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions:

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| |
|:---|
| Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425) |
| Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12) |
| Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b)) |
| Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c)) |

---

Securities registered pursuant to Section 12(b) of the Act:

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| | | |
|:---|:---|:---|
| **Title of each class** | **Trading Symbol(s)** | **Name of each exchange on which registered** |
| Common Shares, par value $0.01 | CWT | New York Stock Exchange |

---

Indicate by check mark whether the registrant is an emerging growth company as defined by Rule 405 of the Securities Act of 1933 (§230.405 of this chapter) or Rule 12b-2 of the Securities Exchange Act of 1934 (§240.12b-2 of this chapter).

Emerging growth company ◻

If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. ◻

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| | |
|:---|:---|
| **Item 7.01.** | **Regulation FD Disclosure** |

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On July 10, 2025, California Water Service Group issued a press release (a copy of which is attached hereto as Exhibit 99.1 and incorporated herein by reference) announcing that S&P Global has retained an A+/Stable credit rating for California Water Service.

The information and exhibit furnished pursuant to Item 7.01 of this Current Report shall not be deemed "filed" for the purposes of Section 18 of the Securities Exchange Act of 1934, as amended (the "Exchange Act"), or incorporated by reference in any filing under the Securities Act of 1933, as amended, or the Exchange Act, except as expressly set forth by specific reference in such a filing.

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| | |
|:---|:---|
| **Item 9.01.** | **Financial Statements and Exhibits.** |

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&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;***(d) Exhibits.***

We hereby furnish the following exhibit, which shall not be deemed "filed," with this report:

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| | |
|:---|:---|
| **Exhibit No.** | **Description** |
| [99.1](tm2520558d1_ex99-1.htm) | [Press Release issued July 10, 2025](tm2520558d1_ex99-1.htm) |
| 104 | Cover Page Interactive Data File (embedded within the Inline XBRL document) |

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**SIGNATURES**

Pursuant to the requirements of the Securities Exchange Act of 1934, the Registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.

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| | | |
|:---|:---|:---|
|  | **CALIFORNIA WATER SERVICE GROUP** | **CALIFORNIA WATER SERVICE GROUP** |
| Date: July 10, 2025 | By: | /s/ James P. Lynch |
|  | Name: | James P. Lynch |
|  | Title: | Senior Vice President, Chief Financial Officer and Treasurer |

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## Exhibit 99.1

**Exhibit 99.1**

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| | |
|:---|:---|
| ![](tm2520558d1_ex99-1img001.jpg) | ![](tm2520558d1_ex99-1img002.jpg) |

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**S&P Global Retains A+/Stable Rating for California Water Service**

**SAN JOSE, Calif.,** July 10, 2025 (GLOBE NEWSWIRE) -- California Water Service Group ("Group" or "Company," NYSE: CWT) today announced that S&P Global has retained an A+/Stable credit rating for California Water Service (Cal Water), Group's largest subsidiary, indicating a business risk rating of "excellent" and a financial risk rating of "intermediate."

"We are pleased to receive this continued outstanding rating from S&P Global and are committed to providing consistent, predictable results," said Chairman & CEO Martin A. Kropelnicki. "It's strong validation of Cal Water's continued strong balance sheet, fiscal discipline and credit metrics, which support our ability to invest responsibly in our infrastructure to the benefit of both stockholders and customers."

**About California Water Service Group**

California Water Service Group is the parent company of regulated utilities California Water Service, Hawaii Water Service, New Mexico Water Service, and Washington Water Service, as well as Texas Water Service, a utility holding company. Together, these companies provide regulated and non-regulated water and wastewater service to more than 2.1 million people in California, Hawaii, New Mexico, Washington, and Texas. California Water Service Group's common stock trades on the New York Stock Exchange under the symbol "CWT." Additional information is available online at www.calwatergroup.com.

***This news release contains forward-looking statements within the meaning established by the Private Securities Litigation Reform Act of 1995 ("PSLRA"). The forward-looking statements are intended to qualify under provisions of the federal securities laws for "safe harbor" treatment established by the PSLRA. Forward-looking statements in this news release are based on currently available information, expectations, estimates, assumptions and projections, and our management's beliefs, assumptions, judgments and expectations about us, the water utility industry and general economic conditions. These statements are not statements of historical fact. When used in our documents, statements that are not historical in nature, including words like will, would, expects, intends, plans, believes, may, could, estimates, assumes, anticipates, projects, progress, predicts, hopes, targets, forecasts, should, seeks or variations of these words or similar expressions are intended to identify forward-looking statements. Examples of forward-looking statements in this news release include, but are not limited to, statements describing Cal Water's expected financial position and investments in infrastructure projects. Forward-looking statements are not guarantees of future performance. They are based on numerous assumptions that we believe are reasonable, but they are open to a wide range of uncertainties and business risks. Consequently, actual results or outcomes may vary materially from what is contained in a forward-looking statement. Factors that may cause actual results or outcomes to be different than those expected or anticipated include, but are not limited to those described under the section entitled "Risk Factors" and elsewhere in our most recent Annual Report on Form 10-K, our subsequent Quarterly Reports on Form 10-Q and our other Securities and Exchange Commission filings. In light of these risks, uncertainties and assumptions, investors are cautioned not to place undue reliance on forward-looking statements, which speak only as of the date of this news release. We are not under any obligation, and we expressly disclaim any obligation to update or alter any forward-looking statements, whether as a result of new information, future events or otherwise.***

**Contacts:**

James P. Lynch (408) 367-8200 (analysts)

Shannon Dean (408) 367-8243 (media)