DDW-2025-009620

4 Log Min Residuals
Quarterly Report for 4-Log Virus Inactivation Compliance - Chlorine/Chloramine Residuals
(To meet 4-log virus inactivation and maintain exemption status from the GWR triggered source monitoring req'ts, you are req'd to monitor for chlorine residual continuously or daily
& record the residuals during the peak flow of the sources listed below.)
Quarter:
System Name:
Year:
Prepared by:
System Number:
Sampling Station
Minimum required Chlorine
mg/L
Month-Day
Location
Chlorine/ Chloramine Level Recorded for 4-log contact (mg/L)
List the sources (including facilitiy ID) that have received exemption from DDW for the GWR triggered source monitoring requirements here:
Meeting 4-Log Virus Inactivation? (Is chlorine residual greater than the minimum req'd level? Is CT greater than 12?)
Utah Division of Drinking Water
UTAH15005
Highland Subdivision
N. Hadley
POE PRV #1
Gordon Creek Spring 2 (WS002) spring box 2. Gordon Creek Spring 7 (WS003,7-1, 7-2, 7-3, 7-4, 7-5, 7-6, 7-7) spring boxes 3-7.
3.00
2025.00
0.20
7/1/2021 12:25:00 PM
POE PRV #1
1.19
Yes
7/2/2021 3:39:00 PM
POE PRV #1
1.23
Yes
7/3/2021 3:00:00 PM
POE PRV #1
1.16
Yes
7/4/2021 1:33:00 PM
POE PRV #1
0.99
Yes
7/5/2021 11:20:00 AM
POE PRV #1
0.99
Yes
7/6/2021 2:04:00 PM
POE PRV #1
1.19
Yes
7/7/2021 10:50:00 AM
POE PRV #1
1.34
Yes
7/8/2021 5:40:00 PM
POE PRV #1
1.29
Yes
7/9/2021 10:27:00 AM
POE PRV #1

1.16
Yes
7/10/2021 7:28:00 AM
POE PRV #1
1.19
Yes
7/11/2021 1:27:00 PM
POE PRV #1
1.16
Yes
7/12/2021 12:22:00 PM
POE PRV #1
1.11
Yes
7/13/2021 11:49:00 AM
POE PRV #1
1.36
Yes
7/14/2021 12:00:00 PM
POE PRV #1
0.99
Yes
7/15/2021 12:04:00 PM
POE PRV #1
1.24
Yes
7/16/2021 2:38:00 PM
POE PRV #1
1.25
Yes
7/17/2021 6:09:00 PM
POE PRV #1
1.17
Yes
7/18/2021 1:27:00 PM
POE PRV #1
1.20
Yes
7/19/2021 11:30:00 AM
POE PRV #1
1.31
Yes
7/20/2021 7:16:00 PM
POE PRV #1
1.09
Yes
7/21/2021 10:54:00 AM
POE PRV #1
1.25
Yes
7/22/2021 1:15:00 PM
POE PRV #1
1.13
Yes
7/23/2021 12:04:00 PM
POE PRV #1
1.11
Yes
7/24/2021 1:33:00 PM
POE PRV #1

1.08
Yes
7/25/2021 12:15:00 PM
POE PRV #1
1.11
Yes
7/26/2021 12:11:00 PM
POE PRV #1
1.13
Yes
7/27/2021 11:15:00 AM
POE PRV #1
1.26
Yes
7/28/2021 2:57:00 PM
POE PRV #1
1.17
Yes
7/29/2021 9:00:00 AM
POE PRV #1
1.21
Yes
7/30/2021 10:34:00 AM
POE PRV #1
1.19
Yes
7/31/2021 4:31:00 PM
POE PRV #1
1.17
Yes
8/1/2021 1:25:00 PM
POE PRV #1
1.01
Yes
8/2/2021 11:00:00 AM
POE PRV #1
0.98
Yes
8/3/2021 5:36:00 PM
POE PRV #1
1.13
Yes
8/4/2021 10:58:00 AM
POE PRV #1
0.98
Yes
8/5/2021 12:28:00 PM
POE PRV #1
1.21
Yes
8/6/2021 11:04:00 AM
POE PRV #1
1.23
Yes
8/7/2021 8:02:00 AM
POE PRV #1
1.33
Yes
8/8/2021 2:40:00 PM
POE PRV #1

1.32
Yes
8/9/2021 2:44:00 PM
POE PRV #1
1.24
Yes
8/10/2021 12:05:00 PM
POE PRV #1
1.21
Yes
8/11/2021 5:00:00 PM
POE PRV #1
1.22
Yes
8/12/2021 6:47:00 AM
POE PRV #1
1.28
Yes
8/13/2021 2:31:00 PM
POE PRV #1
1.29
Yes
8/14/2021 12:17:00 PM
POE PRV #1
1.31
Yes
8/15/2021 12:38:00 PM
POE PRV #1
1.11
Yes
8/16/2021 1:11:00 PM
POE PRV #1
1.34
Yes
8/17/2021 4:12:00 PM
POE PRV #1
1.17
Yes
8/18/2021 4:44:00 PM
POE PRV #1
1.32
Yes
8/19/2021 2:46:00 PM
POE PRV #1
1.27
Yes
8/20/2021 3:15:00 PM
POE PRV #1
1.23
Yes
8/21/2021 12:44:00 PM
POE PRV #1
1.26
Yes
8/22/2021 2:08:00 PM
POE PRV #1
1.37
Yes
8/23/2021 12:58:00 PM
POE PRV #1

1.36
Yes
8/24/2021 9:16:00 AM
POE PRV #1
1.29
Yes
8/25/2021 8:42:00 AM
POE PRV #1
1.26
Yes
8/26/2021 8:16:00 AM
POE PRV #1
1.34
Yes
8/27/2021 7:25:00 AM
POE PRV #1
1.31
Yes
8/28/2021 2:42:00 PM
POE PRV #1
1.13
Yes
8/29/2021 11:20:00 AM
POE PRV #1
1.23
Yes
8/30/2021 7:37:00 AM
POE PRV #1
1.19
Yes
8/31/2021 7:00:00 PM
POE PRV #1
1.21
Yes
9/1/2021 5:50:00 PM
POE PRV #1
1.14
Yes
9/2/2021 11:08:00 AM
POE PRV #1
1.35
Yes
9/3/2021 12:36:00 PM
POE PRV #1
1.45
Yes
9/4/2021 2:54:00 PM
POE PRV #1
1.46
Yes
9/5/2021 12:56:00 PM
POE PRV #1
1.36
Yes
9/6/2021 1:15:00 PM
POE PRV #1
1.39
Yes
9/7/2021 12:24:00 PM
POE PRV #1

1.41
Yes
9/8/2021 8:33:00 AM
POE PRV #1
1.40
Yes
9/9/2021 10:00:00 AM
POE PRV #1
1.39
Yes
9/10/2021 9:18:00 AM
POE PRV #1
1.49
Yes
9/11/2021 6:02:00 PM
POE PRV #1
1.46
Yes
9/12/2021 1:37:00 PM
POE PRV #1
1.41
Yes
9/13/2021 8:24:00 AM
POE PRV #1
1.21
Yes
9/14/2021 10:31:00 AM
POE PRV #1
1.22
Yes
9/15/2021 9:32:00 AM
POE PRV #1
1.36
Yes
9/16/2021 10:10:00 AM
POE PRV #1
1.32
Yes
9/17/2021 11:36:00 AM
POE PRV #1
1.31
Yes
9/18/2021 5:06:00 PM
POE PRV #1
1.32
Yes
9/19/2021 3:53:00 PM
POE PRV #1
1.34
Yes
9/20/2021 11:46:00 AM
POE PRV #1
1.28
Yes
9/21/2021 9:02:00 AM
POE PRV #1
1.42
Yes
9/22/2021 11:13:00 AM
POE PRV #1

1.39
Yes
9/23/2021 8:31:00 AM
POE PRV #1
1.23
Yes
9/24/2021 10:26:00 AM
POE PRV #1
1.24
Yes
9/25/2021 12:33:00 PM
POE PRV #1
1.19
Yes
9/26/2021 12:40:00 PM
POE PRV #1
1.11
Yes
9/27/2021 8:49:00 AM
POE PRV #1
0.97
Yes
9/28/2021 9:33:00 AM
POE PRV #1
0.98
Yes
9/29/2021 9:34:00 AM
POE PRV #1
1.01
Yes
9/30/2021 1:40:00 PM
POE PRV #1
1.04
Yes
POE PRV #1