OHA Drinking Water Services
OHA Drinking Water Services
Contact Report Details

PWS ID: OR41 00869
PWS Name: THE DALLES, CITY OF
 
Who Was Contacted: Tyler Mitchell
Contact Phone: (Email address hidden)
Contact Date: 12/04/2025
Contacted By: SEERUP, JOSH (DWP)
Contact Method/Location: Email
 
Assistance Type: WATER QUALITY ALERT RESPONSE
Reasons: Other
 
Details: Informed operator and North Central Public Health District (NCPHD) that a water quality notice was generated for elevated sodium level at The Dalles’ EP-D (entry point for EP FOR MARKS WELL).

There is no maximum contaminant level (MCL) for sodium, only an advisory level of 20 mg/L; therefore, no action is necessary, but concerned consumers should consult the following sodium health effects information: https://www.oregon.gov/oha/PH/HealthyEnvironments/DrinkingWater/Monitoring/Documents/health/sodium.pdf
 
Associated Alerts: IOC-183 - 11/26/2025 - SODIUM