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This is a rebuild of Drinking Water Watch and not yet the official record. Use the agency’s current Drinking Water Watch for anything you need to rely on.

Chemical and radiological sample results

MS0310024 , Tri-County W/A #3-Summerland

16 of the 53 analytes this system has been tested for have been detected at least once, across 207 samples on record.

The other 37 were tested for and never found. An analyte is counted here if any result on record measured it, so this covers the whole history and not the samples listed below.

Across all 207 samples on record, detections range from September 24, 2003 to February 12, 2026. These figures cover the whole record.

What counts as a non-detect is defined in the help: Less than Indicator. This system’s violations.

What has been detected, ever

Every analyte measured above its reporting level at any point in this system’s record, most often detected first. This is not limited to the samples listed below.

Every analyte ever detected for Tri-County W/A #3-Summerland, with how many results found it and when it was first and last detected. Covers the whole record, not only the samples listed below.
Analyte Kind Detected in First detected Last detected
Copper, Free 1022 Inorganic Chemical 60 of 60 results Jul 24, 2007 Jul 19, 2023
Nitrate-Nitrite 1038 Inorganic Chemical 39 of 43 results May 17, 2004 Feb 9, 2026
Nitrate 1040 Inorganic Chemical 39 of 43 results May 17, 2004 Feb 9, 2026
Lead 1030 Inorganic Chemical 23 of 60 results Jul 24, 2007 Jul 19, 2023
Barium 1010 Inorganic Chemical 15 of 16 results Sep 24, 2003 Mar 3, 2025
Total Haloacetic Acids (Haa5) 2456 Organic Chemical 8 of 19 results Aug 7, 2007 Apr 8, 2025
Sodium 1052 Inorganic Chemical 6 of 6 results Sep 24, 2019 Feb 3, 2025
Nickel 1036 Inorganic Chemical 6 of 16 results Dec 3, 2007 Mar 25, 2019
Chromium 1020 Inorganic Chemical 4 of 16 results Feb 13, 2006 Mar 25, 2019
TTHM 2950 Organic Chemical 3 of 20 results Aug 7, 2007 Feb 12, 2026
Dibromochloromethane 2944 Organic Chemical 1 of 15 results Feb 12, 2026 Feb 12, 2026
Dichloroacetic Acid 2451 Organic Chemical 1 of 13 results Feb 3, 2025 Feb 3, 2025
Trichloroacetic Acid 2452 Organic Chemical 1 of 13 results Feb 3, 2025 Feb 3, 2025
Monobromoacetic Acid 2453 Organic Chemical 1 of 13 results Aug 8, 2018 Aug 8, 2018
Fluoride 1025 Inorganic Chemical 1 of 16 results Feb 13, 2006 Feb 13, 2006
Dichloromethane 2964 Organic Chemical 1 of 28 results Aug 4, 2004 Aug 4, 2004

No date range is applied: this list draws on every sample on record. Show the last two years only.

The most recent samples, result by result

The table below lists 121–130 of 207 samples, newest first — collected May 14, 2012 to June 3, 2013. The summary above covers all 207.

63 results from the 10 samples listed here: 4 detected, 59 not detected. Across the whole record it is 209 of 1,210. A sample is analysed for many analytes at once, so one sample appears on as many rows as it had results.

Chemical and radiological sample results for Tri-County W/A #3-Summerland, every result from 121 to 130 of 207 samples shown, newest first. Not detected means the amount was below the level the laboratory can reliably report, which is given beside it.
Result Analyte Monitoring period
Collected
Jun 3, 2013 01:30
Sampling point
TF081
Sample type
Routine
Lab sample
130604-022VO
Laboratory
MSDH Lab
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jun 3, 2013 01:30, sampling point TF081 1,2,4-Trichlorobenzene 2378 EPA method 524.2 Jan 1, 2013 – Dec 31, 2013
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jun 3, 2013 01:30, sampling point TF081 Cis-1,2-Dichloroethylene 2380 EPA method 524.2 Jan 1, 2013 – Dec 31, 2013
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jun 3, 2013 01:30, sampling point TF081 Xylenes, Total 2955 EPA method 524.2 Jan 1, 2013 – Dec 31, 2013
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jun 3, 2013 01:30, sampling point TF081 Dichloromethane 2964 EPA method 524.2 Jan 1, 2013 – Dec 31, 2013
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jun 3, 2013 01:30, sampling point TF081 O-Dichlorobenzene 2968 EPA method 524.2 Jan 1, 2013 – Dec 31, 2013
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jun 3, 2013 01:30, sampling point TF081 P-Dichlorobenzene 2969 EPA method 524.2 Jan 1, 2013 – Dec 31, 2013
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jun 3, 2013 01:30, sampling point TF081 Vinyl Chloride 2976 EPA method 524.2 Jan 1, 2013 – Dec 31, 2013
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jun 3, 2013 01:30, sampling point TF081 1,1-Dichloroethylene 2977 EPA method 524.2 Jan 1, 2013 – Dec 31, 2013
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jun 3, 2013 01:30, sampling point TF081 Trans-1,2-Dichloroethylene 2979 EPA method 524.2 Jan 1, 2013 – Dec 31, 2013
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jun 3, 2013 01:30, sampling point TF081 1,2-Dichloroethane 2980 EPA method 524.2 Jan 1, 2013 – Dec 31, 2013
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jun 3, 2013 01:30, sampling point TF081 1,1,1-Trichloroethane 2981 EPA method 524.2 Jan 1, 2013 – Dec 31, 2013
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jun 3, 2013 01:30, sampling point TF081 Carbon Tetrachloride 2982 EPA method 524.2 Jan 1, 2013 – Dec 31, 2013
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jun 3, 2013 01:30, sampling point TF081 1,2-Dichloropropane 2983 EPA method 524.2 Jan 1, 2013 – Dec 31, 2013
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jun 3, 2013 01:30, sampling point TF081 Trichloroethylene 2984 EPA method 524.2 Jan 1, 2013 – Dec 31, 2013
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jun 3, 2013 01:30, sampling point TF081 1,1,2-Trichloroethane 2985 EPA method 524.2 Jan 1, 2013 – Dec 31, 2013
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jun 3, 2013 01:30, sampling point TF081 Tetrachloroethylene 2987 EPA method 524.2 Jan 1, 2013 – Dec 31, 2013
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jun 3, 2013 01:30, sampling point TF081 Chlorobenzene 2989 EPA method 524.2 Jan 1, 2013 – Dec 31, 2013
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jun 3, 2013 01:30, sampling point TF081 Benzene 2990 EPA method 524.2 Jan 1, 2013 – Dec 31, 2013
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jun 3, 2013 01:30, sampling point TF081 Toluene 2991 EPA method 524.2 Jan 1, 2013 – Dec 31, 2013
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jun 3, 2013 01:30, sampling point TF081 Ethylbenzene 2992 EPA method 524.2 Jan 1, 2013 – Dec 31, 2013
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jun 3, 2013 01:30, sampling point TF081 Styrene 2996 EPA method 524.2 Jan 1, 2013 – Dec 31, 2013
Collected
Feb 13, 2013 12:40
Sampling point
TF080 Treatment Plant T080
Sample type
Routine
Lab sample
130214-048NI
Laboratory
MSDH Lab
0.22 mg/l , sample collected Feb 13, 2013 12:40, sampling point TF080 Nitrate-Nitrite 1038 EPA method 353.2 Jan 1, 2013 – Dec 31, 2013
0.22 mg/l , sample collected Feb 13, 2013 12:40, sampling point TF080 Nitrate 1040 EPA method 353.2 Jan 1, 2013 – Dec 31, 2013
Not detected below 0.02 mg/l Minimum Reporting Level , sample collected Feb 13, 2013 12:40, sampling point TF080 Nitrite 1041 EPA method 353.2 Jan 1, 2013 – Dec 31, 2013
Collected
Feb 13, 2013 12:15
Sampling point
TF081
Sample type
Routine
Lab sample
130214-047NI
Laboratory
MSDH Lab
1.22 mg/l , sample collected Feb 13, 2013 12:15, sampling point TF081 Nitrate-Nitrite 1038 EPA method 353.2 Jan 1, 2013 – Dec 31, 2013
1.22 mg/l , sample collected Feb 13, 2013 12:15, sampling point TF081 Nitrate 1040 EPA method 353.2 Jan 1, 2013 – Dec 31, 2013
Not detected below 0.02 mg/l Minimum Reporting Level , sample collected Feb 13, 2013 12:15, sampling point TF081 Nitrite 1041 EPA method 353.2 Jan 1, 2013 – Dec 31, 2013
Collected
Oct 2, 2012 01:10
Sampling point
TF081
Sample type
Routine
Lab sample
121003-015VO
Laboratory
MSDH Lab
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Oct 2, 2012 01:10, sampling point TF081 1,2,4-Trichlorobenzene 2378 EPA method 524.2 Jan 1, 2012 – Dec 31, 2012
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Oct 2, 2012 01:10, sampling point TF081 Cis-1,2-Dichloroethylene 2380 EPA method 524.2 Jan 1, 2012 – Dec 31, 2012
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Oct 2, 2012 01:10, sampling point TF081 Xylenes, Total 2955 EPA method 524.2 Jan 1, 2012 – Dec 31, 2012
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Oct 2, 2012 01:10, sampling point TF081 Dichloromethane 2964 EPA method 524.2 Jan 1, 2012 – Dec 31, 2012
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Oct 2, 2012 01:10, sampling point TF081 O-Dichlorobenzene 2968 EPA method 524.2 Jan 1, 2012 – Dec 31, 2012
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Oct 2, 2012 01:10, sampling point TF081 P-Dichlorobenzene 2969 EPA method 524.2 Jan 1, 2012 – Dec 31, 2012
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Oct 2, 2012 01:10, sampling point TF081 Vinyl Chloride 2976 EPA method 524.2 Jan 1, 2012 – Dec 31, 2012
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Oct 2, 2012 01:10, sampling point TF081 1,1-Dichloroethylene 2977 EPA method 524.2 Jan 1, 2012 – Dec 31, 2012
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Oct 2, 2012 01:10, sampling point TF081 Trans-1,2-Dichloroethylene 2979 EPA method 524.2 Jan 1, 2012 – Dec 31, 2012
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Oct 2, 2012 01:10, sampling point TF081 1,2-Dichloroethane 2980 EPA method 524.2 Jan 1, 2012 – Dec 31, 2012
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Oct 2, 2012 01:10, sampling point TF081 1,1,1-Trichloroethane 2981 EPA method 524.2 Jan 1, 2012 – Dec 31, 2012
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Oct 2, 2012 01:10, sampling point TF081 Carbon Tetrachloride 2982 EPA method 524.2 Jan 1, 2012 – Dec 31, 2012
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Oct 2, 2012 01:10, sampling point TF081 1,2-Dichloropropane 2983 EPA method 524.2 Jan 1, 2012 – Dec 31, 2012
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Oct 2, 2012 01:10, sampling point TF081 Trichloroethylene 2984 EPA method 524.2 Jan 1, 2012 – Dec 31, 2012
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Oct 2, 2012 01:10, sampling point TF081 1,1,2-Trichloroethane 2985 EPA method 524.2 Jan 1, 2012 – Dec 31, 2012
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Oct 2, 2012 01:10, sampling point TF081 Tetrachloroethylene 2987 EPA method 524.2 Jan 1, 2012 – Dec 31, 2012
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Oct 2, 2012 01:10, sampling point TF081 Chlorobenzene 2989 EPA method 524.2 Jan 1, 2012 – Dec 31, 2012
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Oct 2, 2012 01:10, sampling point TF081 Benzene 2990 EPA method 524.2 Jan 1, 2012 – Dec 31, 2012
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Oct 2, 2012 01:10, sampling point TF081 Toluene 2991 EPA method 524.2 Jan 1, 2012 – Dec 31, 2012
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Oct 2, 2012 01:10, sampling point TF081 Ethylbenzene 2992 EPA method 524.2 Jan 1, 2012 – Dec 31, 2012
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Oct 2, 2012 01:10, sampling point TF081 Styrene 2996 EPA method 524.2 Jan 1, 2012 – Dec 31, 2012
Collected
Sep 12, 2012 02:10
Sampling point
MRT000 Max. Res. Time
Sample type
Routine
Lab sample
120913-003TH
Laboratory
MSDH Lab
Not detected below 1 ug/l Minimum Reporting Level , sample collected Sep 12, 2012 02:10, sampling point MRT000 Chloroform 2941 EPA method 524.2 Not recorded
Not detected below 1 ug/l Minimum Reporting Level , sample collected Sep 12, 2012 02:10, sampling point MRT000 Bromoform 2942 EPA method 524.2 Not recorded
Not detected below 1 ug/l Minimum Reporting Level , sample collected Sep 12, 2012 02:10, sampling point MRT000 Bromodichloromethane 2943 EPA method 524.2 Not recorded
Not detected below 1 ug/l Minimum Reporting Level , sample collected Sep 12, 2012 02:10, sampling point MRT000 Dibromochloromethane 2944 EPA method 524.2 Not recorded
Not detected below 4 ug/l Minimum Reporting Level , sample collected Sep 12, 2012 02:10, sampling point MRT000 TTHM 2950 EPA method 524.2 Jan 1, 2011 – Dec 31, 2013
Collected
Sep 12, 2012 02:05
Sampling point
MRT000 Max. Res. Time
Sample type
Routine
Lab sample
120913-003HA
Laboratory
MSDH Lab
Not detected below 0.002 mg/l Minimum Reporting Level , sample collected Sep 12, 2012 02:05, sampling point MRT000 Monochloroacetic Acid 2450 EPA method 552.2 Not recorded
Not detected below 0.001 mg/l Minimum Reporting Level , sample collected Sep 12, 2012 02:05, sampling point MRT000 Dichloroacetic Acid 2451 EPA method 552.2 Not recorded
Not detected below 0.001 mg/l Minimum Reporting Level , sample collected Sep 12, 2012 02:05, sampling point MRT000 Trichloroacetic Acid 2452 EPA method 552.2 Not recorded
Not detected below 0.001 mg/l Minimum Reporting Level , sample collected Sep 12, 2012 02:05, sampling point MRT000 Monobromoacetic Acid 2453 EPA method 552.2 Not recorded
Not detected below 0.001 mg/l Minimum Reporting Level , sample collected Sep 12, 2012 02:05, sampling point MRT000 Dibromoacetic Acid 2454 EPA method 552.2 Not recorded
Not detected below 0.006 mg/l Minimum Reporting Level , sample collected Sep 12, 2012 02:05, sampling point MRT000 Total Haloacetic Acids (Haa5) 2456 Jan 1, 2011 – Dec 31, 2013
Collected
Jul 30, 2012 13:10
Sampling point
TF081
Sample type
Routine
Lab sample
120731-024RU
Laboratory
MSDH Lab
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Jul 30, 2012 13:10, sampling point TF081 Combined Uranium 4006 EPA method 200.8 Jul 1, 2012 – Sep 30, 2012
Collected
Jul 30, 2012 12:30
Sampling point
TF080 Treatment Plant T080
Sample type
Routine
Lab sample
120731-023RU
Laboratory
MSDH Lab
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Jul 30, 2012 12:30, sampling point TF080 Combined Uranium 4006 EPA method 200.8 Jul 1, 2012 – Sep 30, 2012
Collected
May 14, 2012 13:05
Sampling point
TF081
Sample type
Routine
Lab sample
120515-008RU
Laboratory
MSDH Lab
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected May 14, 2012 13:05, sampling point TF081 Combined Uranium 4006 EPA method 200.8 Apr 1, 2012 – Jun 30, 2012
Collected
May 14, 2012 12:25
Sampling point
TF080 Treatment Plant T080
Sample type
Routine
Lab sample
120515-007RU
Laboratory
MSDH Lab
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected May 14, 2012 12:25, sampling point TF080 Combined Uranium 4006 EPA method 200.8 Apr 1, 2012 – Jun 30, 2012

Routine (10).