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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 481–490 of 804 samples, newest first — collected September 20, 2011 to January 30, 2012. The summary above covers all 804.

38 results from the 10 samples listed here: 22 detected, 16 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 481 to 490 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
Jan 30, 2012 02:20
Sampling point
TF105 Treatment Plant T105
Sample type
Routine
Lab sample
120131-054NI
Laboratory
MSDH Lab
Not detected below 0.1 mg/l Minimum Reporting Level , sample collected Jan 30, 2012 02:20, sampling point TF105 Nitrate-Nitrite 1038 EPA method 353.2 Jan 1, 2012 – Dec 31, 2012
Not detected below 0.08 mg/l Minimum Reporting Level , sample collected Jan 30, 2012 02:20, sampling point TF105 Nitrate 1040 EPA method 353.2 Jan 1, 2012 – Dec 31, 2012
Not detected below 0.02 mg/l Minimum Reporting Level , sample collected Jan 30, 2012 02:20, sampling point TF105 Nitrite 1041 EPA method 353.2 Jan 1, 2012 – Dec 31, 2012
Collected
Jan 30, 2012 03:00
Sampling point
TF102 Treatment Plant T102
Sample type
Routine
Lab sample
120131-053NI
Laboratory
MSDH Lab
Not detected below 0.1 mg/l Minimum Reporting Level , sample collected Jan 30, 2012 03:00, sampling point TF102 Nitrate-Nitrite 1038 EPA method 353.2 Jan 1, 2012 – Dec 31, 2012
Not detected below 0.08 mg/l Minimum Reporting Level , sample collected Jan 30, 2012 03:00, sampling point TF102 Nitrate 1040 EPA method 353.2 Jan 1, 2012 – Dec 31, 2012
Not detected below 0.02 mg/l Minimum Reporting Level , sample collected Jan 30, 2012 03:00, sampling point TF102 Nitrite 1041 EPA method 353.2 Jan 1, 2012 – Dec 31, 2012
Collected
Nov 28, 2011 02:15
Sampling point
TF104 Treatment Plant T104
Sample type
Routine
Lab sample
111129-031IN
Laboratory
MSDH Lab
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Nov 28, 2011 02:15, sampling point TF104 Arsenic 1005 EPA method 200.8 Jan 1, 2011 – Dec 31, 2013
0.0292 mg/l , sample collected Nov 28, 2011 02:15, sampling point TF104 Barium 1010 EPA method 200.8 Jan 1, 2011 – Dec 31, 2013
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Nov 28, 2011 02:15, sampling point TF104 Cadmium 1015 EPA method 200.8 Jan 1, 2011 – Dec 31, 2013
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Nov 28, 2011 02:15, sampling point TF104 Chromium 1020 EPA method 200.8 Jan 1, 2011 – Dec 31, 2013
0.148 mg/l , sample collected Nov 28, 2011 02:15, sampling point TF104 Fluoride 1025 EPA method 380-75WE Jan 1, 2011 – Dec 31, 2013
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Nov 28, 2011 02:15, sampling point TF104 Mercury 1035 EPA method 200.8 Jan 1, 2011 – Dec 31, 2013
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Nov 28, 2011 02:15, sampling point TF104 Nickel 1036 EPA method 200.8 Not recorded
Not detected below 0.0025 mg/l Minimum Reporting Level , sample collected Nov 28, 2011 02:15, sampling point TF104 Selenium 1045 EPA method 200.8 Jan 1, 2011 – Dec 31, 2013
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Nov 28, 2011 02:15, sampling point TF104 Antimony, Total 1074 EPA method 200.8 Jan 1, 2011 – Dec 31, 2013
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Nov 28, 2011 02:15, sampling point TF104 Beryllium, Total 1075 EPA method 200.8 Jan 1, 2011 – Dec 31, 2013
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Nov 28, 2011 02:15, sampling point TF104 Thallium, Total 1085 EPA method 200.8 Jan 1, 2011 – Dec 31, 2013
Collected
Nov 14, 2011 02:25
Sampling point
MRT000 Max. Res. Time
Sample type
Routine
Lab sample
111115-021TH
Laboratory
MSDH Lab
6.85 ug/l , sample collected Nov 14, 2011 02:25, sampling point MRT000 Chloroform 2941 EPA method 524.2 Not recorded
22.3 ug/l , sample collected Nov 14, 2011 02:25, sampling point MRT000 Bromoform 2942 EPA method 524.2 Not recorded
7.89 ug/l , sample collected Nov 14, 2011 02:25, sampling point MRT000 Bromodichloromethane 2943 EPA method 524.2 Not recorded
18.6 ug/l , sample collected Nov 14, 2011 02:25, sampling point MRT000 Dibromochloromethane 2944 EPA method 524.2 Not recorded
55.6 ug/l , sample collected Nov 14, 2011 02:25, sampling point MRT000 TTHM 2950 EPA method 524.2 Oct 1, 2011 – Dec 31, 2011
Collected
Nov 14, 2011 02:25
Sampling point
MRT000 Max. Res. Time
Sample type
Routine
Lab sample
111115-010HA
Laboratory
MSDH Lab
Not detected below 0.002 mg/l Minimum Reporting Level , sample collected Nov 14, 2011 02:25, sampling point MRT000 Monochloroacetic Acid 2450 EPA method 552.2 Not recorded
0.003 mg/l , sample collected Nov 14, 2011 02:25, sampling point MRT000 Dichloroacetic Acid 2451 EPA method 552.2 Not recorded
0.004 mg/l , sample collected Nov 14, 2011 02:25, sampling point MRT000 Trichloroacetic Acid 2452 EPA method 552.2 Not recorded
0.001 mg/l , sample collected Nov 14, 2011 02:25, sampling point MRT000 Monobromoacetic Acid 2453 EPA method 552.2 Not recorded
0.015 mg/l , sample collected Nov 14, 2011 02:25, sampling point MRT000 Dibromoacetic Acid 2454 EPA method 552.2 Not recorded
0.023 mg/l , sample collected Nov 14, 2011 02:25, sampling point MRT000 Total Haloacetic Acids (Haa5) 2456 Oct 1, 2011 – Dec 31, 2011
Collected
Sep 20, 2011
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
110921-058PB
Laboratory
MSDH Lab
0.1499 mg/l , sample collected Sep 20, 2011, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2009 – Dec 31, 2011
0.0052 mg/l , sample collected Sep 20, 2011, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2009 – Dec 31, 2011
Collected
Sep 20, 2011
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
110921-064PB
Laboratory
MSDH Lab
0.5743 mg/l , sample collected Sep 20, 2011, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2009 – Dec 31, 2011
0.0005 mg/l , sample collected Sep 20, 2011, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2009 – Dec 31, 2011
Collected
Sep 20, 2011
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
110921-073PB
Laboratory
MSDH Lab
0.3097 mg/l , sample collected Sep 20, 2011, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2009 – Dec 31, 2011
0.0021 mg/l , sample collected Sep 20, 2011, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2009 – Dec 31, 2011
Collected
Sep 20, 2011
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
110921-071PB
Laboratory
MSDH Lab
0.0198 mg/l , sample collected Sep 20, 2011, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2009 – Dec 31, 2011
0.0012 mg/l , sample collected Sep 20, 2011, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2009 – Dec 31, 2011
Collected
Sep 20, 2011
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
110921-069PB
Laboratory
MSDH Lab
0.3992 mg/l , sample collected Sep 20, 2011, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2009 – Dec 31, 2011
0.008 mg/l , sample collected Sep 20, 2011, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2009 – Dec 31, 2011

Routine (10).