Privacy Policy

Effective Date: May 14, 2026

Keystone Engineering Group, Inc. ("Keystone Engineering Group," "we," "us," or "our") respects your privacy. This Privacy Policy explains what information we collect, how we use it, and how we handle information provided in connection with our SMS messaging program.

Information We Collect

We may collect personal information that you voluntarily provide to us, including:

Your name

Your mobile phone number

Your email address

Information you provide when communicating with us or requesting our services

When you voluntarily provide your mobile phone number and separately opt in to receive SMS communications, we collect and retain your mobile number and your SMS consent information for purposes of administering our messaging program.

How We Use Your Information

We may use the information we collect to:

Provide and administer our services;

Communicate with you regarding services or information you have requested;

Send SMS notifications and other text messages that you have specifically requested or consented to receive;

Respond to your questions and requests;

Maintain records of your communications and messaging preferences; and

Comply with applicable legal and regulatory requirement

SMS Messaging

Keystone Engineering Group, Inc. provides SMS notifications to authorized employees of water and wastewater treatment plants served by Keystone Engineering Group, Inc. SMS messages are used for operational purposes, including SCADA alarms, plant status notifications, equipment conditions, and other related water and wastewater treatment plant operational events.

Employees provide consent to receive these SMS notifications verbally through their Plant Supervisor. The Plant Supervisor obtains the employee's affirmative consent before recording the employee's mobile phone number for SMS notifications. We maintain records of the employee's mobile phone number, the date and time consent was provided, and the employee's affirmative consent to receive SMS notifications.

Message frequency varies depending on plant activity and the number of operational alerts generated. Message and data rates may apply.

Recipients may opt out of SMS messages at any time by replying STOP to any message from Keystone Engineering Group, Inc. Recipients may reply HELP for assistance.

SMS consent is not shared, sold, rented, or transferred to third parties or affiliates for their own marketing or promotional purposes. Mobile phone numbers and SMS consent information are used only to provide the operational SMS notifications described in this Privacy Policy and to administer and maintain the SMS messaging program.

Opting out of SMS messages will not affect the recipient's ability to use Keystone Engineering Group, Inc.'s services or otherwise communicate with Keystone Engineering Group, Inc.

Mobile Information and SMS Consent Non-Sharing

We do not sell, rent, or share mobile information, including mobile phone numbers and SMS messaging consent or opt-in data, with third parties or affiliates for marketing or promotional purposes.

We do not use mobile phone numbers or SMS consent data for third-party or affiliate marketing or promotional purposes.

SMS consent and mobile information are used only for the purposes described in this Privacy Policy and to provide the communications that you have requested or authorized.

Information Sharing

We may disclose personal information to trusted service providers, contractors, and other third parties when reasonably necessary to provide our services, operate our business, maintain our systems, comply with legal obligations, protect our rights, prevent fraud or misuse, or respond to lawful requests.

Mobile phone numbers, SMS opt-in information, and SMS consent data will not be sold, rented, or shared with third parties or affiliates for their own marketing or promotional purposes. We do not use mobile phone numbers or SMS consent information for third-party or affiliate marketing or promotional purposes.

Mobile phone numbers and SMS consent information may be shared with service providers solely when necessary to provide, operate, or maintain the SMS messaging services requested or authorized by the recipient. Such information is used only for the purposes described in this Privacy Policy and is not used by those service providers for their own marketing or promotional purposes.

We do not sell personal information or SMS consent dat

Data Security

We take reasonable administrative, technical, and organizational measures designed to protect personal information from unauthorized access, use, disclosure, alteration, or destruction.

No method of electronic transmission or storage is completely secure, and we cannot guarantee absolute security.

Data Retention

We retain personal information for as long as reasonably necessary to provide our services, maintain appropriate business and messaging records, comply with legal obligations, resolve disputes, and enforce our agreements.

We may retain records of SMS consent and opt-out requests as necessary to demonstrate compliance with applicable messaging requirements and to honor your communication preferences.

Your Choices

You may choose not to provide certain personal information. You may also change your SMS messaging preferences at any time.

To stop receiving SMS messages, reply STOP to any message from Keystone Engineering Group, Inc.

For assistance with SMS messages, reply HELP or contact us using the information below.

Changes to This Privacy Policy

We may update this Privacy Policy from time to time. Any changes will be posted on this page with an updated Effective Date.

If you have questions about this Privacy Policy or our SMS messaging practices, please contact:

Keystone Engineering Group, Inc.

Email: info@kegi.net

Phone: 610-407-4100