Only giving 4 stars due to 2.5 hours late for appt and price charged was $100 more than quoted…read more Reason given is that our tank is 1500 which is higher. I was not asked what tank size when I called for pricing and scheduling and did not know that there was more than one price dependant on anything. It would be better service if they would quote pricing for the different tank sizes so the customer can know price will vary depending on size rather than just quote a price then charge something completely different. Also, cement cover was not placed on level. Otherwise, service was great. The guys were very nice and polite and seemed to be very thorough. As far as I can tell they did a good job!

My cistern pump went out and they responded the same day and got us back up and running. Nice…read morefolks and a very fair price

Appreciate their great service, especially calling us back on the weekend to schedule the…read moreappointmen!

We used Arrow for our daughters wedding, ordered 3 portable restrooms and a wash station couldn't…read morebe more pleased with their service. Originally asked to have them delivered on Saturday but realized I needed them on Friday, got in contact with them and they did not hesitate to have them to my house early Friday morning ( just in time for all the set up crew). The restrooms were so clean and smelt so great, Lisa even had decorations in them they were fantastic. Will definitely use them again :) will recommend them to everyone. Thank you Carl and Lisa

Had our septic tank pumped. They were quick to come and reliable as always. Was quite a jump in…read morecost from 5 years ago, but then what isn't.

do not use this company. Use Brenda Frank septic instead. They charged me almost double of what I…read morepaid the last time because they said they had to because of the economy. apparently Sister and Brother from the original company has split. This one is owned by the brother Brenda is on her own now and is almost half the cost of this company. They also had an excuse that it was cheaper last time because someone else in the area had their pumped but when they looked, they hadn't had it pumped so they said they must have unloaded on my property and they had not. So she said it was because of the economy. I'm like I get jumping prices, but that is insane. Brenda is way friendly and does an amazing job for half the cost.

After calling several other sewer cleaning services after hours for the nursing home I work for and…read morebeing told my SEWAGE FLOODING had to wait to be fixed until tomorrow, I got ahold of Cotter's Sewer Service and they came promptly and fixed our problem within an hour or two! They worked wonders and I would recommend them to ANYONE in need of their services. Scott Beller Skyline Heights Nursing and Rehab Billings, MT 59102

Cotters is always on time and trustworthy! Thanks for the great job and taking care of our plumbing…read moreissues!

Rick is always on time and does a great job. Very reasonable price! Great guy! Have had him pump…read moreout septic the last 3 times.

From the owner: If you're in Billings Montana, or surrounding areas, and you're looking for top notch septic and…read moresewer services, then look no further than A-1 Yellowstone Sewer. A-1 Yellowstone Sewer has been in business for more than 30 years. A-1 Yellowstone Sewer offers services including:Septic and sewer cleaning Location and digging up of septic tanks Seepage pits Floor drains Toilets TV sewer line location and inspection High pressure jetter service Call A-1 Yellowstone Sewer today to see how we can help you.

I needed a septic system installed and the waterline from my well rerouted to accommodate a new RO…read moresystem for my house. I let them know what I needed and Al took it from there. Their pricing was very competitive. They purchased the material and scheduled a start date. They arrived onsite with tools and equipment and did a fantastic job! They worked around my existing fencing and trees, handled the permits and paperwork with the county, and left my yard in great shape.

Waste of time. If I could give zero stars I would. Says he'll be over to look at the job & give…read moreestimate. Never heard from him again.