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.