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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 800 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 800 samples on record, detections range from August 10, 1993 to August 26, 2025. These figures cover the whole record; the list of samples further down is narrowed.

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 91 results Jan 30, 2012 Jan 19, 2022
Nitrate-Nitrite 1038 Inorganic Chemical 2 of 91 results Nov 29, 2004 Jun 12, 2006
Nitrate 1040 Inorganic Chemical 2 of 91 results Nov 29, 2004 Jun 12, 2006
Thallium, Total 1085 Inorganic Chemical 1 of 44 results Feb 3, 2025 Feb 3, 2025

Showing samples collected between September 26, 2024 and September 26, 2026. That is this page’s default, not a limit on what the agency records.

Show every sample on record

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The most recent samples, result by result

The table below lists 31–40 of 40 samples, newest first — collected October 2, 2024 to February 5, 2025. The summary above covers all 40.

54 results from the 10 samples listed here: 29 detected, 25 not detected. A sample is analysed for many analytes at once, so one sample appears on as many rows as it had results.

We withheld the location of 2 sampling points below. The location on record identifies a private home, and we do not publish those. That is our decision, not the agency’s. The sampling point, its type and every result taken there are published unchanged.

Chemical and radiological sample results for G T & Y Water District Inc, every result from 31 to 40 of 40 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
Feb 5, 2025 10:50
Sampling point
TF103 Treatment Plant T103
Sample type
Routine
Lab sample
NI-250206-039
Laboratory
MSDH Lab
Not detected below 0.1 mg/l Minimum Reporting Level , sample collected Feb 5, 2025 10:50, sampling point TF103 Nitrate-Nitrite 1038 EPA method QC10107041C Jan 1, 2025 – Dec 31, 2025
Not detected below 0.08 mg/l Minimum Reporting Level , sample collected Feb 5, 2025 10:50, sampling point TF103 Nitrate 1040 EPA method QC10107041C Jan 1, 2025 – Dec 31, 2025
Not detected below 0.02 mg/l Minimum Reporting Level , sample collected Feb 5, 2025 10:50, sampling point TF103 Nitrite 1041 EPA method QC10107041C Jan 1, 2025 – Dec 31, 2025
Collected
Feb 5, 2025 10:30
Sampling point
TF102 Treatment Plant T102
Sample type
Routine
Lab sample
NI-250206-038
Laboratory
MSDH Lab
Not detected below 0.1 mg/l Minimum Reporting Level , sample collected Feb 5, 2025 10:30, sampling point TF102 Nitrate-Nitrite 1038 EPA method QC10107041C Jan 1, 2025 – Dec 31, 2025
Not detected below 0.08 mg/l Minimum Reporting Level , sample collected Feb 5, 2025 10:30, sampling point TF102 Nitrate 1040 EPA method QC10107041C Jan 1, 2025 – Dec 31, 2025
Not detected below 0.02 mg/l Minimum Reporting Level , sample collected Feb 5, 2025 10:30, sampling point TF102 Nitrite 1041 EPA method QC10107041C Jan 1, 2025 – Dec 31, 2025
Collected
Feb 3, 2025 11:35
Sampling point
TF105 Treatment Plant T105
Sample type
Routine
Lab sample
IN-250204-047
Laboratory
MSDH Lab
0.0013 mg/l , sample collected Feb 3, 2025 11:35, sampling point TF105 Arsenic 1005 EPA method 200.8 Jan 1, 2023 – Dec 31, 2025
0.011 mg/l , sample collected Feb 3, 2025 11:35, sampling point TF105 Barium 1010 EPA method 200.8 Jan 1, 2023 – Dec 31, 2025
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Feb 3, 2025 11:35, sampling point TF105 Cadmium 1015 EPA method 200.8 Jan 1, 2023 – Dec 31, 2025
0.0019 mg/l , sample collected Feb 3, 2025 11:35, sampling point TF105 Chromium 1020 EPA method 200.8 Jan 1, 2023 – Dec 31, 2025
0.266 mg/l , sample collected Feb 3, 2025 11:35, sampling point TF105 Fluoride 1025 EPA method QC 10-109-12-2-A Jan 1, 2023 – Dec 31, 2025
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Feb 3, 2025 11:35, sampling point TF105 Mercury 1035 EPA method 200.8 Jan 1, 2023 – Dec 31, 2025
0.0006 mg/l , sample collected Feb 3, 2025 11:35, sampling point TF105 Nickel 1036 EPA method 200.8 Not recorded
0.0046 mg/l , sample collected Feb 3, 2025 11:35, sampling point TF105 Selenium 1045 EPA method 200.8 Jan 1, 2023 – Dec 31, 2025
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Feb 3, 2025 11:35, sampling point TF105 Antimony, Total 1074 EPA method 200.8 Jan 1, 2023 – Dec 31, 2025
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Feb 3, 2025 11:35, sampling point TF105 Beryllium, Total 1075 EPA method 200.8 Jan 1, 2023 – Dec 31, 2025
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Feb 3, 2025 11:35, sampling point TF105 Thallium, Total 1085 EPA method 200.8 Jan 1, 2023 – Dec 31, 2025
Collected
Feb 3, 2025 11:10
Sampling point
TF104 Treatment Plant T104
Sample type
Routine
Lab sample
IN-250204-048
Laboratory
MSDH Lab
0.0048 mg/l , sample collected Feb 3, 2025 11:10, sampling point TF104 Arsenic 1005 EPA method 200.8 Jan 1, 2023 – Dec 31, 2025
0.0321 mg/l , sample collected Feb 3, 2025 11:10, sampling point TF104 Barium 1010 EPA method 200.8 Jan 1, 2023 – Dec 31, 2025
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Feb 3, 2025 11:10, sampling point TF104 Cadmium 1015 EPA method 200.8 Jan 1, 2023 – Dec 31, 2025
0.0027 mg/l , sample collected Feb 3, 2025 11:10, sampling point TF104 Chromium 1020 EPA method 200.8 Jan 1, 2023 – Dec 31, 2025
0.178 mg/l , sample collected Feb 3, 2025 11:10, sampling point TF104 Fluoride 1025 EPA method QC 10-109-12-2-A Jan 1, 2023 – Dec 31, 2025
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Feb 3, 2025 11:10, sampling point TF104 Mercury 1035 EPA method 200.8 Jan 1, 2023 – Dec 31, 2025
0.0015 mg/l , sample collected Feb 3, 2025 11:10, sampling point TF104 Nickel 1036 EPA method 200.8 Not recorded
0.0025 mg/l , sample collected Feb 3, 2025 11:10, sampling point TF104 Selenium 1045 EPA method 200.8 Jan 1, 2023 – Dec 31, 2025
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Feb 3, 2025 11:10, sampling point TF104 Antimony, Total 1074 EPA method 200.8 Jan 1, 2023 – Dec 31, 2025
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Feb 3, 2025 11:10, sampling point TF104 Beryllium, Total 1075 EPA method 200.8 Jan 1, 2023 – Dec 31, 2025
0.0005 mg/l , sample collected Feb 3, 2025 11:10, sampling point TF104 Thallium, Total 1085 EPA method 200.8 Jan 1, 2023 – Dec 31, 2025
Collected
Feb 3, 2025 10:50
Sampling point
TF103 Treatment Plant T103
Sample type
Routine
Lab sample
IN-250204-049
Laboratory
MSDH Lab
0.0024 mg/l , sample collected Feb 3, 2025 10:50, sampling point TF103 Arsenic 1005 EPA method 200.8 Jan 1, 2023 – Dec 31, 2025
0.023 mg/l , sample collected Feb 3, 2025 10:50, sampling point TF103 Barium 1010 EPA method 200.8 Jan 1, 2023 – Dec 31, 2025
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Feb 3, 2025 10:50, sampling point TF103 Cadmium 1015 EPA method 200.8 Jan 1, 2023 – Dec 31, 2025
0.0023 mg/l , sample collected Feb 3, 2025 10:50, sampling point TF103 Chromium 1020 EPA method 200.8 Jan 1, 2023 – Dec 31, 2025
0.323 mg/l , sample collected Feb 3, 2025 10:50, sampling point TF103 Fluoride 1025 EPA method QC 10-109-12-2-A Jan 1, 2023 – Dec 31, 2025
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Feb 3, 2025 10:50, sampling point TF103 Mercury 1035 EPA method 200.8 Jan 1, 2023 – Dec 31, 2025
0.0006 mg/l , sample collected Feb 3, 2025 10:50, sampling point TF103 Nickel 1036 EPA method 200.8 Not recorded
0.0071 mg/l , sample collected Feb 3, 2025 10:50, sampling point TF103 Selenium 1045 EPA method 200.8 Jan 1, 2023 – Dec 31, 2025
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Feb 3, 2025 10:50, sampling point TF103 Antimony, Total 1074 EPA method 200.8 Jan 1, 2023 – Dec 31, 2025
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Feb 3, 2025 10:50, sampling point TF103 Beryllium, Total 1075 EPA method 200.8 Jan 1, 2023 – Dec 31, 2025
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Feb 3, 2025 10:50, sampling point TF103 Thallium, Total 1085 EPA method 200.8 Jan 1, 2023 – Dec 31, 2025
Collected
Feb 3, 2025 10:30
Sampling point
TF102 Treatment Plant T102
Sample type
Routine
Lab sample
IN-250204-050
Laboratory
MSDH Lab
0.0026 mg/l , sample collected Feb 3, 2025 10:30, sampling point TF102 Arsenic 1005 EPA method 200.8 Jan 1, 2023 – Dec 31, 2025
0.0246 mg/l , sample collected Feb 3, 2025 10:30, sampling point TF102 Barium 1010 EPA method 200.8 Jan 1, 2023 – Dec 31, 2025
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Feb 3, 2025 10:30, sampling point TF102 Cadmium 1015 EPA method 200.8 Jan 1, 2023 – Dec 31, 2025
0.0023 mg/l , sample collected Feb 3, 2025 10:30, sampling point TF102 Chromium 1020 EPA method 200.8 Jan 1, 2023 – Dec 31, 2025
0.398 mg/l , sample collected Feb 3, 2025 10:30, sampling point TF102 Fluoride 1025 EPA method QC 10-109-12-2-A Jan 1, 2023 – Dec 31, 2025
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Feb 3, 2025 10:30, sampling point TF102 Mercury 1035 EPA method 200.8 Jan 1, 2023 – Dec 31, 2025
0.0006 mg/l , sample collected Feb 3, 2025 10:30, sampling point TF102 Nickel 1036 EPA method 200.8 Not recorded
0.0085 mg/l , sample collected Feb 3, 2025 10:30, sampling point TF102 Selenium 1045 EPA method 200.8 Jan 1, 2023 – Dec 31, 2025
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Feb 3, 2025 10:30, sampling point TF102 Antimony, Total 1074 EPA method 200.8 Jan 1, 2023 – Dec 31, 2025
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Feb 3, 2025 10:30, sampling point TF102 Beryllium, Total 1075 EPA method 200.8 Jan 1, 2023 – Dec 31, 2025
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Feb 3, 2025 10:30, sampling point TF102 Thallium, Total 1085 EPA method 200.8 Jan 1, 2023 – Dec 31, 2025
Collected
Oct 2, 2024 11:15
Sampling point
SM2 Location withheld
Sample type
Routine
Lab sample
HA-241003-002
Laboratory
MSDH Lab
3.64 ug/l , sample collected Oct 2, 2024 11:15, sampling point SM2 Total Haloacetic Acids (Haa5) 2456 EPA method 552.2 Not recorded
Collected
Oct 2, 2024 12:00
Sampling point
SM1 Location withheld
Sample type
Routine
Lab sample
HA-241003-001
Laboratory
MSDH Lab
4.7 ug/l , sample collected Oct 2, 2024 12:00, sampling point SM1 Total Haloacetic Acids (Haa5) 2456 EPA method 552.2 Not recorded
Collected
Oct 2, 2024 11:15
Sampling point
SM2 Location withheld
Sample type
Routine
Lab sample
TH-241003-002
Laboratory
MSDH Lab
5.3 ug/l , sample collected Oct 2, 2024 11:15, sampling point SM2 TTHM 2950 EPA method 524.2 Not recorded
Collected
Oct 2, 2024 12:00
Sampling point
SM1 Location withheld
Sample type
Routine
Lab sample
TH-241003-001
Laboratory
MSDH Lab
5.15 ug/l , sample collected Oct 2, 2024 12:00, sampling point SM1 TTHM 2950 EPA method 524.2 Not recorded

Routine (10).