Payment Options
Pay-By-Phone
Visa, MasterCard, Discover, and American Express payments are accepted with a 3% convenience fee. Payments post the next business day.
Electronic check payments are accepted with a $1.00 transaction fee. Payments post to the account the next business day.
Online Payments
Payments may be made online at www.sienv.com.
Visa, MasterCard, Discover, and American Express payments are accepted with a 3% convenience fee. Payments post the next business day.
Electronic check payments are accepted with a $1.00 transaction fee. Payments post to the account the next business day.
Text to Pay
Customers may make payments by text using a mobile device.
Visa, MasterCard, Discover, and American Express payments are accepted with a 3% convenience fee. Payments post the next business day.
Electronic check payments are accepted with a $1.00 transaction fee. Payments post to the account the next business day.
Monthly Auto-Draft
Customers may enroll in monthly auto-draft.
Visa, MasterCard, Discover, and American Express payments are accepted with a 3% convenience fee.
Electronic check payments are accepted with a $1.00 transaction fee.
Auto-draft payments post automatically to the account on the due date.
Transaction fees are third-party transaction charges and are not associated with or collected by your Municipal Utility District or Si Environmental, LLC.

