Sweet Grass Water Bill Pay Online Login & Complete Payment Guide
Official guide for Hillside Colony Inc customers in Sweet Grass. Serving approximately 100 residents. Learn how to pay your water bill online, find customer service contacts, and manage your account.
Online Portal Status: Pending
We are currently verifying the official payment portal for Sweet Grass. Use the official phone number for secure payments while verification is in progress.
📅 Last reviewed: Mar 31, 2026 • Data Verified
Sweet Grass Water Department – Quick Overview
Managing your water bill in Sweet Grass is straightforward when using the official channels provided by Hillside Colony Inc. This guide provides verified links and step-by-step instructions to ensure your payment is processed securely and on time.
Hillside Colony Inc
Official Water Utility
Phone Number
(406) 937-2966
Office Hours
Mon–Fri 8:00 AM – 5:00 PM
Common payment methods may include online, phone, mail, or in-person payment. Confirm with the official utility before paying.
How to Pay Sweet Grass Water Bill Online
Access the Official Portal Start Here
Navigate to the official Hillside Colony Inc payment website by clicking the 'Open Official Portal' button at the top of this guide.
Identify Your Account
Locate your Sweet Grass water account number from your recent paper bill (usually found in the top right corner) and enter it into the portal.
Select Payment Option
Choose between signing in to your registered account or using the 'One-Time Guest Pay' feature for a faster transaction.
Enter Payment Method
Provide your debit/credit card details or bank routing information. Many Sweet Grass residents use eCheck to avoid small convenience fees.
Confirm & Save Receipt
Review the final amount, including any local service fees, and submit. Ensure you save the confirmation number for your records.
Guest Pay Available
Portal Unavailable?
If the official Hillside Colony Inc portal is down for maintenance, you can still pay by phone at (406) 937-2966.
Other Ways to Pay Your Sweet Grass Water Bill
📞 Pay by Phone
Call the automated billing system at (406) 937-2966. Have your account number and credit card ready before calling.
Call Now →🏢 Pay In Person
Visit the service desk at Po Box 169. Standard office hours apply for in-person payments.
View Map →✉️ Pay by Mail
Send a check or money order to the utility office. Include your payment stub to ensure proper account credit.
🔄 Enrollment in AutoPay
Avoid late fees by setting up recurring payments. Most customers link a bank account (ACH) for free processing.
Sweet Grass Water Department – Contact & Office Info
Contact Information
Official Sweet Grass Water Department
Office Location
Po Box 169
Sweet Grass, MT 59484
Customer Service
(406) 937-2966Official Website
Visit Website →Hours of Operation
Mon–Fri 8:00 AM – 5:00 PM
How to Download Your Sweet Grass Water Bill
Follow these steps to securely view and download your official Sweet Grass water bill records for proof of residency, accounting, or personal record-keeping:
Log in to the Official Portal
Access the online billing dashboard for Hillside Colony Inc.
Navigate to Billing History
Once logged in, look for the navigation menu option appropriately labeled "Billing History", "My Account", or "Past Statements".
Select and Download PDF
Choose the specific billing cycle you need and click the "Download PDF" or "Print" icon. ℹ️ Note: Most municipal portals only archive statements for the past 12–24 months online.
Common Problems with Sweet Grass Billing
Received a Disconnection Notice in Sweet Grass?
Do not use online portal payments if your service is scheduled for disconnection. Call (406) 937-2966 immediately or pay in person at the local office to guarantee same-day processing.
Unusually High Bill?
If your Sweet Grass water bill spiked suddenly, check your property's toilets and sprinkler systems for leaks before calling to dispute the meter reading.
Sweet Grass Payment Pro Tips
Late Fee Warning
Be aware that Hillside Colony Inc typically assesses a 1.50% penalty on past-due water bill balances. Set up AutoPay if possible to avoid these unnecessary charges.
System Outages
If the Hillside Colony Inc portal is down for scheduled maintenance, you can bypass the website and pay by phone directly at (406) 937-2966.
Conservation Rebates in Montana
Many arid regions in Montana offer heavy rebates for installing low-flow toilets and drought-tolerant landscaping. Contact your local water board for applications.
External Resources
Frequently Asked Questions – Sweet Grass Water Bill
You can pay your Sweet Grass water bill online through the official Hillside Colony Inc login page. Most utilities support credit cards, debit cards, and eCheck payments.
For billing inquiries or assistance, call Hillside Colony Inc customer service at (406) 937-2966. They are available during these hours: Mon–Fri 8:00 AM – 5:00 PM.
Yes, many Sweet Grass utilities offer guest payment or one-time payment options. You usually need your account number, service address or ZIP code, and payment method to proceed.
Login to the Hillside Colony Inc portal and look for the 'AutoPay' or 'Recurring Payments' section. You can link your bank account or credit card for automatic monthly deductions.
First, check for any visible leaks in your toilets or faucets. If no leaks are found, contact Hillside Colony Inc at (406) 937-2966 to request a meter re-read or a bill audit.
The Hillside Colony Inc billing office is listed at Po Box 169, Sweet Grass, MT 59484. Check office hours before visiting in person.
Many utilities accept past-due payments online, but shutoff or reconnection timing can vary. If service is at risk, call (406) 937-2966 before relying on portal processing time.
Based on official Sweet Grass utility records, customers are generally billed on a monthly cycle. Check your most recent statement for your specific due date.