TDG Tracking - Feb 2026

Station: CHJ CHQW WSBW WEL LWG LGNW LGSA LGSW LMNA LMNW IHRA IDSW MCNA MCPW JDY JHAW TDA TDDO BON CCIW WRNO
Gas Cap %: 110 110 110 110 110 110 110 110 110 110 110 110 110 110 110 110 110 110 110 110 110
Method: Reg Reg Reg Reg Reg Reg Reg Reg Reg Reg Reg Reg Reg Reg Reg Reg Reg Reg Reg Reg Reg
02/01/2026 • • 100 100 - 101 - 100 - 99 - 109 - 102 - 100 - 101 - - 102
02/02/2026 • • 99 99 - 100 - 99 - 99 - 106 - 101 - 100 - 100 - - 101
02/03/2026 • • 99 98 - 101 - 99 - 99 - 108 - 102 - 100 - 100 - - 101
02/04/2026 • • 99 99 - 101 - 99 - 99 - 108 - 109 - 102 - 101 - - 102
02/05/2026 • • 100 99 - 102 - 103 - 99 - 99 - 109 - 103 - 102 - - 102
02/06/2026 • • 100 100 - 102 - 100 - 106 - 100 - 107 - 103 - 103 - - 103
02/07/2026 • • 101 100 - 102 - 100 - 100 - 100 - 106 - 103 - 103 - - 103
02/08/2026 • • 100 100 - 102 - 101 - 100 - 100 - 103 - 102 - 103 - - 103
02/09/2026 • • 101 100 - 102 - 100 - 101 - 101 - 102 - 102 - 102 - - 105
02/10/2026 • • 102 101 - 103 - 101 - 102 - 104 - 102 - 103 - 103 - - 106
02/11/2026 • • 101 101 - 103 - 101 - 105 - 101 - 108 - 103 - 102 - - 104
02/12/2026 • • 101 101 - 102 - 102 - 101 - 108 - 112 - 103 - 103 - - 105
02/13/2026 • • 101 101 - 102 - 102 - 102 - 102 - 108 - 104 - 104 - - 105
02/14/2026 • • 102 101 - 102 - 102 - 101 - 102 - 102 - 104 - 104 - - 105
02/15/2026 • • 103 102 - 103 - 102 - 103 - 102 - 108 - 104 - 104 - - 105
02/16/2026 • • 104 103 - 104 - 104 - 104 - 104 - 109 - 104 - 105 - - 108
02/17/2026 • • 104 103 - 104 - 104 - 104 - 103 - 114 - 104 - 104 - - 106
02/18/2026 • • 103 103 - 104 - 103 - 105 - 103 - 113 - 104 - 103 - - 105
02/19/2026 • • 102 101 - 102 - 103 - 103 - 102 - 110 - 104 - 103 - - 105
02/20/2026 • • 101 100 - 102 - 102 - 103 - 102 - 110 - 103 - 103 - - 105
02/21/2026 • • 101 100 - 101 - 101 - 102 - 101 - 102 - 102 - 102 - - 104
02/22/2026 • • 101 101 - 101 - 101 - 101 - 101 - 109 - 102 - 102 - - 103
02/23/2026 • • 102 101 - 101 - 100 - 101 - 101 - 113 - 103 - 102 - - 103
02/24/2026 • • 103 104 - 100 - 101 - 102 - 102 - 114 - 104 - 104 - - 104
02/25/2026 • • 103 102 - 115 - 101 - 102 - 108 - 114 - 103 - 104 - - 104
02/26/2026 103 104 103 102 - 101 - 101 - 102 - 107 - 111 - 102 - 102 - - 105
02/27/2026 103 104 103 102 - 102 - 101 - 101 - 108 - 109 - 102 - 102 - - 104
02/28/2026 103 103 103 102 - 103 - 101 - 101 - 108 - 109 - 103 - 102 - - 104
Exceedances: 1 7

Generated: 31-Mar-2026 15:00:45

Red text denotes exceedances.
• indicates no data due to malfunctioning gauge
- indicates gauge is out of service for winter

Gas Cap % = TDG criterion in the water quality standard
The 110% TDG gas cap is compared to the maximum hourly value in a calendar day
The 115%, 120% and 125% TDG gas caps are compared to the average of the twelve highest hourly TDG measurements in a calendar day