ARCHIVE SITE - Last updated Jan. 19, 2017. Please visit for the latest NACWA information.


Water Quality Standards/Criteria


NACWA is tracking a wide array of water quality standards issues including designated use reviews, criteria development, antidegradation, biomonitoring implementation and mixing zone policies.

For more information on NACWA’s legal activities and litigation related to Water Quality Standards/Criteria, please visit the Legal Resources key page.



12/22 NACWA Comments icon-pdf  NACWA Comments on EPA's Proposed Revision of Certain Federal Water Quality Criteria Applicable to Washington  
11/20 Clean Water Current   EPA Announces Dates for Recreational Waters Conference  
11/13 Clean Water Current   NACWA Nominates Experts for Coliphage Workshop  
11/06 Clean Water Current   NACWA Encourages Idaho to Resist EPA Pressure on Human Health Criteria  
11/06 Clean Water Current   Concerns Raised over use of WET Test Procedure  
10/30 Clean Water Current   USGS Study Finds Limited Nitrate Improvements in Waters  
10/30 Clean Water Current   Advisory Committee Considers Water Information  
09/18 Clean Water Current   NACWA Participates in Expert Workshop on Aquatic Life Criteria  
08/07 Clean Water Current   Final Water Quality Standards Rule Contains Several Key Changes  
05/13 NACWA Letter  icon-pdf NACWA Letter to Region 10  

» Click here for archived documents


Upcoming Events

Winter Conference
Next Generation Compliance …Where Affordability & Innovation Intersect
February 4 – 7, 2017
Tampa Marriott Waterside Hotel
Tampa, FL