These types of water system supply water to 25 or more of the same people for at least six months per year in places other than their residences. Neilson Research Corporation provides analytical testing for schools, hospitals and workplaces to meet these requirements. Our staff provides unquestionable data to satisfy regulatory authorities under the Safe Drinking Water Act.

Routine Chemical Monitoring 

Non-transient/Non-community Water Systems are subject to the following requirements for the 2017-2020 compliance period.

Chemicals  

 

Surface Water  

 

Ground Water  

 

Inorganics Yearly  

 

One  

 

Nitrate Quarterly  

 

Yearly  

 

Volatile Organics Yearly  

 

One  

 

Disinfection Byproducts Quarterly  

 

Yearly  

 

Synthetic Organics One  

 

Nitrite One  

 

Asbestos One  

 

Radionuclides 4 consecutive quarters  

 

Lead and Copper One round  

 

This table describes base line monitoring only. You will find details on number, location and timing of samples at https://yourwater.oregon.gov/