Irrigation · Nashville, TN
Well Watered
Watering Middle Tennessee lawns well: run times for clay soil, backflow testing, winterizing before the first freeze, and why one zone is always the dry one.
Latest
Recent posts on sprinklers and drainage
Written by Michael Blair, owner of Nashville's Irrigation, from the trade’s own practice.
October 19, 2026
Sizing a New Sprinkler System: Pressure and Flow
A sprinkler layout starts at the outside faucet, not on the lawn. The pressure reading and a timed bucket fill decide how many heads each zone can carry and how many zones the yard needs.
Read itOctober 12, 2026
Spring Sprinkler Start-Up, Step by Step
A dormant sprinkler system is turned back on in a set order: frost-free ground, a slow fill, a zone-by-zone walk, a new schedule. In Middle Tennessee the yearly backflow test belongs to that same visit.
Read itOctober 8, 2026
Sprinkler Head Repair: What Our Crews Find
Most sprinkler repair calls come down to a few heads. Which ones fail, why a replacement has to match the rest of its zone, and why height matters as much as the part.
Read itSeptember 28, 2026
A Sprinkler Zone That Will Not Shut Off
A zone stuck on and a low head that drains after every cycle look alike from the kitchen window. Five minutes of watching tells you which one you have.
Read itSeptember 21, 2026
One Irrigation Zone Stopped Working
When one zone sits dead and the rest run on schedule, a meter at the controller and a look in the valve box usually say where the fault is before anyone digs.
Read itSeptember 14, 2026
Watering a Fall Overseed Without Drowning It
Seed fails when the seedbed dries out and again when it stays soaked. The schedule that works changes as the seedlings grow, and the controller has to change with it.
Read itSeptember 7, 2026
Backflow Preventers and Annual Testing
The device between your sprinklers and your drinking water is mechanical, wear inside it only shows up on a gauge test, and Tennessee wants that test every year.
Read itSeptember 1, 2026
How Much to Water a Nashville Lawn
A small amount every day keeps roots shallow and the lawn less drought tolerant. What we set instead, and how to measure it with a few cans.
Read itSeptember 1, 2026
Winterizing an Irrigation System in Tennessee
A Nashville winter has plenty of nights cold enough to crack a backflow preventer left full of water, and enough mild days that people skip the blowout.
Read itSeptember 1, 2026
Dry Patches and What They Say About Coverage
Adding minutes to a zone with a coverage problem overwaters most of it to reach the dry part.
Read itSeptember 1, 2026
Drip Irrigation for Nashville Planting Beds
Spray heads in a bed wet the leaves, water the bare ground where weeds come up and lose some of it to evaporation. Drip puts the water at the roots.
Read itSeptember 1, 2026
Are Smart Irrigation Controllers Worth It
A fixed schedule waters through rain. That is the problem smart controllers solve, and it is a real one here.
Read itSeptember 1, 2026
Why Your Water Bill Jumped in Summer
A broken head or a valve that will not seal, on a cycle that runs before dawn, can waste water for a long time before anyone sees it.
Read itService area
Lawns we water across Middle Tennessee
Technicians cover Nashville along with 64 more towns in 12 counties; yards anywhere in Middle Tennessee no more than about an hour out of Nashville are on our map.
Free estimate
Sprinklers not keeping the lawn green?
Tell Nashville's Irrigation what the system is doing and how big the yard is, and we put a written estimate in your inbox at no charge. Nothing is owed until you agree to the work.