Staff / Consultants

A man with a mustache wearing a black shirt and striped tie, sitting in front of a wooden door.

Position: Water Treatmet Operator /Consultant

Mike and his wife Pam moved to Sonora in 1976. He was hired in 1986, by the Crystal Falls/Cedar Ridge Water Company, which started his career in water treatment.

In 1990, the company was purchased by Tuolumne Regional Water District (TRWD), whose name was soon changed to Tuolumne Utilities District (TUD). Mike has treated Twain Harte Valley Mutual Water Company’s water for the past 34 years.

A man holding a fish on a boat with another person in the background.

Position: Water Treatmet Operator /Consultant

Darren Vallelunga, 29, is born and raised in Twain Harte. Darren graduated from Summerville Union High school and received a degree in Administration of Justice from Santa Rosa Junior college. Joining Tuolumne Utilities District in 2020, he spent 1 year as a Water Distribution Operator before transitioning to his current role as a Water Treatment Operator for the past 3 years. Beyond work, Darren finds joy in family moments with his wife, Shiloh, and newborn, Bowie. Darren Vallelunga is passionate about learning more about water treatment and is actively contributing to providing high water quality for the Twain Harte Valley Mutual Water Company.

Website Accessibility Policy

Twain Harte Valley Mutual Water Company is fully committed to providing accessible facilities, elements and channels of communication to all members of the public. As part of this commitment, Twain Harte Valley Mutual Water Company has a policy of providing an accessible website compatible with the Web Content Accessibility Guidelines (WCAG 2.1) and commercial screen reading software. All features of the website are coded to allow individuals with vision and other impairments to understand and use the website to the same degree as someone without disabilities. We welcome feedback and can often resolve issues in a timely manner if they arise.

If you need any special assistance or accommodations:

Call us at (209) 586-0476

Ongoing Compliance Information

Compliance Officer

Twain Harte Valley Mutual Water Company has designated a compliance officer for website disability-related accommodations. The compliance officer has received training in website accessibility and updates the site in accordance with those best practices. Contact our accessibility officer to report an issue.

Compliance Procedures and Reports

In addition to testing with users with a wide range of disabilities and coding our website to WCAG standards, Twain Harte Valley Mutual Water Company regularly scans its website to ensure ongoing compliance, and makes timely changes to any inaccessible changes, if any are found.

Linked Documents and Third Parties

Please note that this site may link out to third-party websites, such as state or federal agencies, that do not have accessible content. This site may also include documents provided by third parties included in our agenda packets, for example. While we cannot control the accessibility of content provided by third parties, we are happy to assist any member of the public with reading and accessing content on our site.

See an opportunity for us to improve? Please contact our accessibility officer or call us at (209) 586-0476.

Report a Website Accessibility Issue

We are committed to your ability to access all content, and we will respond to all requests as soon as possible.