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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

MS0220002 , G T & Y Water District Inc

26 of the 57 analytes this system has been tested for have been detected at least once, across 804 samples on record.

The other 31 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 804 samples on record, detections range from August 10, 1993 to August 26, 2025. 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 G T & Y Water District Inc, 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 248 of 258 results Aug 10, 1993 Aug 26, 2025
Lead 1030 Inorganic Chemical 215 of 258 results Aug 10, 1993 Aug 26, 2025
Total Haloacetic Acids (Haa5) 2456 Organic Chemical 122 of 125 results Oct 26, 2005 Oct 2, 2024
TTHM 2950 Organic Chemical 116 of 124 results Sep 13, 2004 Oct 2, 2024
Chloroform 2941 Organic Chemical 88 of 89 results Sep 20, 2006 Oct 14, 2020
Bromodichloromethane 2943 Organic Chemical 86 of 89 results Sep 20, 2006 Oct 14, 2020
Dibromochloromethane 2944 Organic Chemical 85 of 89 results Sep 20, 2006 Oct 14, 2020
Trichloroacetic Acid 2452 Organic Chemical 82 of 85 results Jan 30, 2008 Oct 14, 2020
Dichloroacetic Acid 2451 Organic Chemical 78 of 85 results Jan 30, 2008 Oct 14, 2020
Bromoform 2942 Organic Chemical 74 of 89 results Sep 20, 2006 Oct 14, 2020
Dibromoacetic Acid 2454 Organic Chemical 68 of 85 results Jan 30, 2008 Oct 14, 2020
Barium 1010 Inorganic Chemical 44 of 44 results Jun 18, 2002 Mar 12, 2025
Fluoride 1025 Inorganic Chemical 44 of 44 results Jun 18, 2002 Mar 12, 2025
Arsenic 1005 Inorganic Chemical 33 of 44 results Jun 18, 2002 Mar 12, 2025
Selenium 1045 Inorganic Chemical 33 of 44 results Jun 18, 2002 Mar 12, 2025
Chromium 1020 Inorganic Chemical 33 of 44 results Jun 18, 2002 Feb 3, 2025
Monobromoacetic Acid 2453 Organic Chemical 23 of 85 results Jan 30, 2008 Jan 28, 2019
Nickel 1036 Inorganic Chemical 16 of 44 results Feb 28, 2005 Feb 3, 2025
Gross Alpha, Incl. Radon & U 4002 Radionuclide 15 of 20 results Mar 6, 2012 Oct 3, 2012
Sodium 1052 Inorganic Chemical 12 of 12 results Sep 18, 2019 Jan 29, 2024
Monochloroacetic Acid 2450 Organic Chemical 8 of 85 results Oct 5, 2009 Jul 16, 2018
Xylenes, Total 2955 Organic Chemical 5 of 69 results Jul 15, 2004 Sep 1, 2005
Nitrite 1041 Inorganic Chemical 2 of 95 results Jan 30, 2012 Jan 19, 2022
Nitrate-Nitrite 1038 Inorganic Chemical 2 of 95 results Nov 29, 2004 Jun 12, 2006
Nitrate 1040 Inorganic Chemical 2 of 95 results Nov 29, 2004 Jun 12, 2006
Thallium, Total 1085 Inorganic Chemical 1 of 44 results Feb 3, 2025 Feb 3, 2025

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 571–580 of 804 samples, newest first — collected April 23, 2008 to August 26, 2008. The summary above covers all 804.

82 results from the 10 samples listed here: 17 detected, 65 not detected. Across the whole record it is 1,535 of 3,927. 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 G T & Y Water District Inc, every result from 571 to 580 of 804 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
Aug 26, 2008
Sampling point
TF103 Treatment Plant T103
Sample type
Routine
Lab sample
080827-019VO
Laboratory
MSDH Lab
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Aug 26, 2008, sampling point TF103 1,2,4-Trichlorobenzene 2378 EPA method 524.2 Jan 1, 2008 – Dec 31, 2008
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Aug 26, 2008, sampling point TF103 Cis-1,2-Dichloroethylene 2380 EPA method 524.2 Jan 1, 2008 – Dec 31, 2008
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Aug 26, 2008, sampling point TF103 Xylenes, Total 2955 EPA method 524.2 Jan 1, 2008 – Dec 31, 2008
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Aug 26, 2008, sampling point TF103 Dichloromethane 2964 EPA method 524.2 Jan 1, 2008 – Dec 31, 2008
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Aug 26, 2008, sampling point TF103 O-Dichlorobenzene 2968 EPA method 524.2 Jan 1, 2008 – Dec 31, 2008
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Aug 26, 2008, sampling point TF103 P-Dichlorobenzene 2969 EPA method 524.2 Jan 1, 2008 – Dec 31, 2008
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Aug 26, 2008, sampling point TF103 Vinyl Chloride 2976 EPA method 524.2 Jan 1, 2008 – Dec 31, 2008
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Aug 26, 2008, sampling point TF103 1,1-Dichloroethylene 2977 EPA method 524.2 Jan 1, 2008 – Dec 31, 2008
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Aug 26, 2008, sampling point TF103 Trans-1,2-Dichloroethylene 2979 EPA method 524.2 Jan 1, 2008 – Dec 31, 2008
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Aug 26, 2008, sampling point TF103 1,2-Dichloroethane 2980 EPA method 524.2 Jan 1, 2008 – Dec 31, 2008
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Aug 26, 2008, sampling point TF103 1,1,1-Trichloroethane 2981 EPA method 524.2 Jan 1, 2008 – Dec 31, 2008
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Aug 26, 2008, sampling point TF103 Carbon Tetrachloride 2982 EPA method 524.2 Jan 1, 2008 – Dec 31, 2008
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Aug 26, 2008, sampling point TF103 1,2-Dichloropropane 2983 EPA method 524.2 Jan 1, 2008 – Dec 31, 2008
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Aug 26, 2008, sampling point TF103 Trichloroethylene 2984 EPA method 524.2 Jan 1, 2008 – Dec 31, 2008
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Aug 26, 2008, sampling point TF103 1,1,2-Trichloroethane 2985 EPA method 524.2 Jan 1, 2008 – Dec 31, 2008
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Aug 26, 2008, sampling point TF103 Tetrachloroethylene 2987 EPA method 524.2 Jan 1, 2008 – Dec 31, 2008
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Aug 26, 2008, sampling point TF103 Chlorobenzene 2989 EPA method 524.2 Jan 1, 2008 – Dec 31, 2008
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Aug 26, 2008, sampling point TF103 Benzene 2990 EPA method 524.2 Jan 1, 2008 – Dec 31, 2008
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Aug 26, 2008, sampling point TF103 Toluene 2991 EPA method 524.2 Jan 1, 2008 – Dec 31, 2008
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Aug 26, 2008, sampling point TF103 Ethylbenzene 2992 EPA method 524.2 Jan 1, 2008 – Dec 31, 2008
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Aug 26, 2008, sampling point TF103 Styrene 2996 EPA method 524.2 Jan 1, 2008 – Dec 31, 2008
Collected
Aug 26, 2008
Sampling point
TF102 Treatment Plant T102
Sample type
Routine
Lab sample
080827-018VO
Laboratory
MSDH Lab
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Aug 26, 2008, sampling point TF102 1,2,4-Trichlorobenzene 2378 EPA method 524.2 Jan 1, 2008 – Dec 31, 2008
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Aug 26, 2008, sampling point TF102 Cis-1,2-Dichloroethylene 2380 EPA method 524.2 Jan 1, 2008 – Dec 31, 2008
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Aug 26, 2008, sampling point TF102 Xylenes, Total 2955 EPA method 524.2 Jan 1, 2008 – Dec 31, 2008
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Aug 26, 2008, sampling point TF102 Dichloromethane 2964 EPA method 524.2 Jan 1, 2008 – Dec 31, 2008
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Aug 26, 2008, sampling point TF102 O-Dichlorobenzene 2968 EPA method 524.2 Jan 1, 2008 – Dec 31, 2008
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Aug 26, 2008, sampling point TF102 P-Dichlorobenzene 2969 EPA method 524.2 Jan 1, 2008 – Dec 31, 2008
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Aug 26, 2008, sampling point TF102 Vinyl Chloride 2976 EPA method 524.2 Jan 1, 2008 – Dec 31, 2008
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Aug 26, 2008, sampling point TF102 1,1-Dichloroethylene 2977 EPA method 524.2 Jan 1, 2008 – Dec 31, 2008
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Aug 26, 2008, sampling point TF102 Trans-1,2-Dichloroethylene 2979 EPA method 524.2 Jan 1, 2008 – Dec 31, 2008
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Aug 26, 2008, sampling point TF102 1,2-Dichloroethane 2980 EPA method 524.2 Jan 1, 2008 – Dec 31, 2008
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Aug 26, 2008, sampling point TF102 1,1,1-Trichloroethane 2981 EPA method 524.2 Jan 1, 2008 – Dec 31, 2008
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Aug 26, 2008, sampling point TF102 Carbon Tetrachloride 2982 EPA method 524.2 Jan 1, 2008 – Dec 31, 2008
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Aug 26, 2008, sampling point TF102 1,2-Dichloropropane 2983 EPA method 524.2 Jan 1, 2008 – Dec 31, 2008
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Aug 26, 2008, sampling point TF102 Trichloroethylene 2984 EPA method 524.2 Jan 1, 2008 – Dec 31, 2008
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Aug 26, 2008, sampling point TF102 1,1,2-Trichloroethane 2985 EPA method 524.2 Jan 1, 2008 – Dec 31, 2008
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Aug 26, 2008, sampling point TF102 Tetrachloroethylene 2987 EPA method 524.2 Jan 1, 2008 – Dec 31, 2008
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Aug 26, 2008, sampling point TF102 Chlorobenzene 2989 EPA method 524.2 Jan 1, 2008 – Dec 31, 2008
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Aug 26, 2008, sampling point TF102 Benzene 2990 EPA method 524.2 Jan 1, 2008 – Dec 31, 2008
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Aug 26, 2008, sampling point TF102 Toluene 2991 EPA method 524.2 Jan 1, 2008 – Dec 31, 2008
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Aug 26, 2008, sampling point TF102 Ethylbenzene 2992 EPA method 524.2 Jan 1, 2008 – Dec 31, 2008
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Aug 26, 2008, sampling point TF102 Styrene 2996 EPA method 524.2 Jan 1, 2008 – Dec 31, 2008
Collected
Aug 26, 2008
Sampling point
MRT000 Max. Res. Time
Sample type
Routine
Lab sample
080827-005HA
Laboratory
MSDH Lab
Not detected below 0.002 mg/l Minimum Reporting Level , sample collected Aug 26, 2008, sampling point MRT000 Monochloroacetic Acid 2450 EPA method 552.2 Not recorded
0.006 mg/l , sample collected Aug 26, 2008, sampling point MRT000 Dichloroacetic Acid 2451 EPA method 552.2 Not recorded
0.006 mg/l , sample collected Aug 26, 2008, sampling point MRT000 Trichloroacetic Acid 2452 EPA method 552.2 Not recorded
Not detected below 0.001 mg/l Minimum Reporting Level , sample collected Aug 26, 2008, sampling point MRT000 Monobromoacetic Acid 2453 EPA method 552.2 Not recorded
0.002 mg/l , sample collected Aug 26, 2008, sampling point MRT000 Dibromoacetic Acid 2454 EPA method 552.2 Not recorded
0.01 mg/l , sample collected Aug 26, 2008, sampling point MRT000 Total Haloacetic Acids (Haa5) 2456 Jul 1, 2008 – Sep 30, 2008
Collected
May 21, 2008
Sampling point
TF105 Treatment Plant T105
Sample type
Routine
Lab sample
080522-072NI
Laboratory
MSDH Lab
Not detected below 0.1 mg/l Minimum Reporting Level , sample collected May 21, 2008, sampling point TF105 Nitrate-Nitrite 1038 EPA method 353.2 Jan 1, 2008 – Dec 31, 2008
Not detected below 0.08 mg/l Minimum Reporting Level , sample collected May 21, 2008, sampling point TF105 Nitrate 1040 EPA method 353.2 Jan 1, 2008 – Dec 31, 2008
Not detected below 0.02 mg/l Minimum Reporting Level , sample collected May 21, 2008, sampling point TF105 Nitrite 1041 EPA method 353.2 Jan 1, 2008 – Dec 31, 2008
Collected
May 21, 2008
Sampling point
TF103 Treatment Plant T103
Sample type
Routine
Lab sample
080522-071NI
Laboratory
MSDH Lab
Not detected below 0.1 mg/l Minimum Reporting Level , sample collected May 21, 2008, sampling point TF103 Nitrate-Nitrite 1038 EPA method 353.2 Jan 1, 2008 – Dec 31, 2008
Not detected below 0.08 mg/l Minimum Reporting Level , sample collected May 21, 2008, sampling point TF103 Nitrate 1040 EPA method 353.2 Jan 1, 2008 – Dec 31, 2008
Not detected below 0.02 mg/l Minimum Reporting Level , sample collected May 21, 2008, sampling point TF103 Nitrite 1041 EPA method 353.2 Jan 1, 2008 – Dec 31, 2008
Collected
May 21, 2008
Sampling point
TF104 Treatment Plant T104
Sample type
Routine
Lab sample
080522-065NI
Laboratory
MSDH Lab
Not detected below 0.1 mg/l Minimum Reporting Level , sample collected May 21, 2008, sampling point TF104 Nitrate-Nitrite 1038 EPA method 353.2 Jan 1, 2008 – Dec 31, 2008
Not detected below 0.08 mg/l Minimum Reporting Level , sample collected May 21, 2008, sampling point TF104 Nitrate 1040 EPA method 353.2 Jan 1, 2008 – Dec 31, 2008
Not detected below 0.02 mg/l Minimum Reporting Level , sample collected May 21, 2008, sampling point TF104 Nitrite 1041 EPA method 353.2 Jan 1, 2008 – Dec 31, 2008
Collected
May 21, 2008
Sampling point
TF102 Treatment Plant T102
Sample type
Routine
Lab sample
080522-030NI
Laboratory
MSDH Lab
Not detected below 0.1 mg/l Minimum Reporting Level , sample collected May 21, 2008, sampling point TF102 Nitrate-Nitrite 1038 EPA method 353.2 Jan 1, 2008 – Dec 31, 2008
Not detected below 0.08 mg/l Minimum Reporting Level , sample collected May 21, 2008, sampling point TF102 Nitrate 1040 EPA method 353.2 Jan 1, 2008 – Dec 31, 2008
Not detected below 0.02 mg/l Minimum Reporting Level , sample collected May 21, 2008, sampling point TF102 Nitrite 1041 EPA method 353.2 Jan 1, 2008 – Dec 31, 2008
Collected
Apr 30, 2008
Sampling point
MRT000 Max. Res. Time
Sample type
Routine
Lab sample
080501-004HA
Laboratory
MSDH Lab
Not detected below 0.002 mg/l Minimum Reporting Level , sample collected Apr 30, 2008, sampling point MRT000 Monochloroacetic Acid 2450 EPA method 552.2 Not recorded
0.004 mg/l , sample collected Apr 30, 2008, sampling point MRT000 Dichloroacetic Acid 2451 EPA method 552.2 Not recorded
0.007 mg/l , sample collected Apr 30, 2008, sampling point MRT000 Trichloroacetic Acid 2452 EPA method 552.2 Not recorded
Not detected below 0.001 mg/l Minimum Reporting Level , sample collected Apr 30, 2008, sampling point MRT000 Monobromoacetic Acid 2453 EPA method 552.2 Not recorded
0.006 mg/l , sample collected Apr 30, 2008, sampling point MRT000 Dibromoacetic Acid 2454 EPA method 552.2 Not recorded
0.017 mg/l , sample collected Apr 30, 2008, sampling point MRT000 Total Haloacetic Acids (Haa5) 2456 Apr 1, 2008 – Jun 30, 2008
Collected
Apr 30, 2008
Sampling point
MRT000 Max. Res. Time
Sample type
Routine
Lab sample
080501-004TH
Laboratory
MSDH Lab
9.55 ug/l , sample collected Apr 30, 2008, sampling point MRT000 Chloroform 2941 EPA method 524.2 Not recorded
15.8 ug/l , sample collected Apr 30, 2008, sampling point MRT000 Bromoform 2942 EPA method 524.2 Not recorded
5.45 ug/l , sample collected Apr 30, 2008, sampling point MRT000 Bromodichloromethane 2943 EPA method 524.2 Not recorded
7.77 ug/l , sample collected Apr 30, 2008, sampling point MRT000 Dibromochloromethane 2944 EPA method 524.2 Not recorded
38.57 ug/l , sample collected Apr 30, 2008, sampling point MRT000 TTHM 2950 EPA method 524.2 Apr 1, 2008 – Jun 30, 2008
Collected
Apr 23, 2008
Sampling point
TF103 Treatment Plant T103
Sample type
Routine
Lab sample
080424-013IN
Laboratory
MSDH Lab
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Apr 23, 2008, sampling point TF103 Arsenic 1005 EPA method 200.8 Jan 1, 2008 – Dec 31, 2010
0.021222 mg/l , sample collected Apr 23, 2008, sampling point TF103 Barium 1010 EPA method 200.8 Jan 1, 2008 – Dec 31, 2010
Not detected below 0.0001 mg/l Minimum Reporting Level , sample collected Apr 23, 2008, sampling point TF103 Cadmium 1015 EPA method 200.8 Jan 1, 2008 – Dec 31, 2010
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Apr 23, 2008, sampling point TF103 Chromium 1020 EPA method 200.8 Jan 1, 2008 – Dec 31, 2010
0.226 mg/l , sample collected Apr 23, 2008, sampling point TF103 Fluoride 1025 EPA method 380-75WE Jan 1, 2008 – Dec 31, 2010
Not detected below 0.0002 mg/l Minimum Reporting Level , sample collected Apr 23, 2008, sampling point TF103 Mercury 1035 EPA method 245.1 Jan 1, 2008 – Dec 31, 2010
0.00674 mg/l , sample collected Apr 23, 2008, sampling point TF103 Nickel 1036 EPA method 200.8 Not recorded
0.001945 mg/l , sample collected Apr 23, 2008, sampling point TF103 Selenium 1045 EPA method 200.8 Jan 1, 2008 – Dec 31, 2010
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Apr 23, 2008, sampling point TF103 Antimony, Total 1074 EPA method 200.8 Jan 1, 2008 – Dec 31, 2010
Not detected below 0.0001 mg/l Minimum Reporting Level , sample collected Apr 23, 2008, sampling point TF103 Beryllium, Total 1075 EPA method 200.8 Jan 1, 2008 – Dec 31, 2010
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Apr 23, 2008, sampling point TF103 Thallium, Total 1085 EPA method 200.8 Jan 1, 2008 – Dec 31, 2010

Routine (10).