Irrigation System

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To protect the health of the citizens of South Carolina, the State of South Carolina Department of Health and Environmental Control has a requirement for all irrigation systems connected to a public water supply to have a back flow prevention device. The City of Rock Hill requires the back flow devices to be either a testable double check or reduced pressure principle valve installed by a licensed plumber and have an annual inspection by a State certified tester. The tester is to provide the City with the results of the test.

In an effort to assure that the devices are installed, tested and working properly, an Irrigation System permit is required for all irrigation systems installed. The permit lists the name of the system installer and the plumbing contractor installing the backflow prevention device. Irrigation system installers are not required to have a state license, however, the backflow prevention device must be installed by a state licensed plumber. The permit fee is based on the contract value of the job. For more information about the permit, please contact the Permit Application Center at 803-329-5590.

Click here for test report forms and other information about the Cross Connection Control Program.  

Irrigation Meters


For residential customers, a separate irrigation meter and splice-in tap can be installed in addition to your water meter. This would allow you to connect your irrigation system to the new meter and receive a water bill without any sewer charges for the water you use for irrigation. The fee to install the separate meter and splice-in is $550. The new meter is usually installed next to your existing water meter. Once the installation fee is paid, a work order is sent to the Utilities Department and the new meter is installed, usually within two weeks. Your plumber can then connect your irrigation system to the new meter. See the Irrigation System Installation Checklist for more information or contact the Planning and Development Department at 803-329-5590.  Some homes in residential developments may already have a second box and splice-in for an irrigation meter installed and you may only need the meter.  If this is the case you would only need to pay the meter set fee.  Please see the fee schedule for current rates.


Commercial customers wishing to install an irrigation meter should check our fee schedule for the meter set fee corresponding with the size meter you need.  Contact the Planning and Development Department at 803-329-5590 to pay fees.

Applying for a Permit

You can apply for a permit several different ways. Be sure to include any required drawings, specifications or calculations.  Contractors should include a copy of the contract/ job estimate with the permit application. Most permits are issued over the counter unless a plan review is needed.   

  • Online - visit to apply online.
  • By Email -
  • By mail - mail your permit application to Planning & Development, P.O. Box 11706, Rock Hill SC 29731.
  • In person - permits are issued over the counter Monday - Friday, 8:00 a.m. to 5:00 p.m. at our office in City Hall located at 155 Johnston St., Room 300, Rock Hill, SC 29730.

The permit fee is based on the value of the work performed. 

If you are a contractor and this is your first time applying for a permit at the City of Rock Hill, you will need to fill out a New Contractor Application as well as obtain a Business License.

Related Information

An Introduction to Backflow and Cross Connection 
Cross Connection Control Program
Irrigation System and Backflow Installation Permit Application
Irrigation System Installation Checklist
Fee Schedule

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