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1. What are the main criteria used to determine if a system is a Public Water Supply System?

The system provides piped water for human consumption and has at least 10 service connections or regularly serves at least 25 individuals daily at least 60 days out of the year.

2. How do I tell what type of Public Water Supply System I have?

View our flowchart.

3. How often is PWS required to measure the distribution system chlorine residual?

Daily and every time a bacteriological sample is collected at the sample site.

4. What are the minimum chlorine residual requirements in the distribution system?

0.2 mg/I “Free” chlorine or 1.0 mg/I “Combined” or Total Chlorine.

5. What is the minimum positive pressure requirements for the distribution system?

20 pounds per square inch (psi)

6. How long does a Public Water Supply System have to respond to significant deficiencies identified during a sanitary survey?

45 days.

7. What does KDHE recommend as the maximum annual percentage of water loss?

10% to 15%

8. Is there a list of amounts the KDHE Laboratory charges for each type of test it performs for Public Water Supply Systems?

View fees for analysis () that are listed in Kansas Administration Regulation 28-14-2.

9. Are all Public Water Supply systems required to have a certified operator and where can we get more information about what is required?

Yes, all Public Water Supply systems are required to have a certified operator. Please visit the Water and Wastewater Operator Certification website for more information.

10. How long must a Public Water Supply system maintain records on bacteriological and chemical analysis results?

Bacteriological results must be maintained for 5 years. Chemical analysis must be maintained for 10 years.

11. Are we required to have an Emergency Operations Plan and if so, where can we find out what is required?

Yes, KAR 28-15-18 requires that all Public Water Supply systems develop emergency response plans. Click here to view the guidance for developing these plans.

12. What should we do if our Public Water Supply has a major breakdown or loss of water service?

If the incident occurs during normal business hours, inform the KDHE District Office closest to your location or notify the Public Water Supply Section in Topeka. If the incident occurs after business hours, call the KDHE Environmental Emergency line at 785-296-1679.

13. Where can I get my water tested if it smells or tastes bad?

KDHE’s Environmental Laboratory Improvements Office website lists accredited laboratories that comply with the Safe Drinking Water Act requirements.