Residents of North Houston. In January 2016, One Source Residential Services advises you to continue to keep watering systems to a minimum. We have been blessed with abundant rain in the past few weeks, so as of now added watering is not necessary. However, if you notice sprinkler issues feel free to contact the office and we will come inspect and repair. Warmer weather is on its way and your sprinkler systems will once again become an important part of your healthy, beautiful lawn. For superior irrigation service contact One Source today.