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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

MS0490019 , Hays Creek W/A-Lodi

14 of the 56 analytes this system has been tested for have been detected at least once, across 139 samples on record.

The other 42 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 139 samples on record, detections range from October 8, 2003 to March 17, 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 Hays Creek W/A-Lodi, 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 65 of 65 results Sep 28, 2004 Sep 12, 2023
Lead 1030 Inorganic Chemical 24 of 65 results Sep 28, 2004 Jul 29, 2020
Barium 1010 Inorganic Chemical 9 of 9 results Oct 8, 2003 Mar 17, 2025
Nickel 1036 Inorganic Chemical 5 of 9 results Apr 29, 2013 Mar 17, 2025
Gross Alpha, Incl. Radon & U 4002 Radionuclide 5 of 5 results Dec 15, 2011 Jul 17, 2012
Chromium 1020 Inorganic Chemical 4 of 9 results Apr 4, 2005 May 6, 2019
Sodium 1052 Inorganic Chemical 3 of 3 results Sep 16, 2019 Feb 24, 2025
Total Haloacetic Acids (Haa5) 2456 Organic Chemical 2 of 7 results Jun 16, 2010 Feb 24, 2025
TTHM 2950 Organic Chemical 2 of 7 results Aug 27, 2007 Jun 16, 2010
Sulfate 1055 Inorganic Chemical 2 of 2 results Oct 8, 2003 Mar 16, 2004
Fluoride 1025 Inorganic Chemical 1 of 9 results Mar 8, 2016 Mar 8, 2016
Selenium 1045 Inorganic Chemical 1 of 9 results Apr 4, 2005 Apr 4, 2005
Nitrate-Nitrite 1038 Inorganic Chemical 1 of 22 results May 24, 2004 May 24, 2004
Nitrate 1040 Inorganic Chemical 1 of 22 results May 24, 2004 May 24, 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 41–50 of 139 samples, newest first — collected August 23, 2017 to September 16, 2019. The summary above covers all 139.

29 results from the 10 samples listed here: 13 detected, 16 not detected. Across the whole record it is 125 of 531. 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 Hays Creek W/A-Lodi, every result from 41 to 50 of 139 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
Sep 16, 2019 11:00
Sampling point
TF101 Treatment Plant T101
Sample type
Routine
Lab sample
680-174320-79
Laboratory
Test America-Savannah
31000 ug/l , sample collected Sep 16, 2019 11:00, sampling point TF101 Sodium 1052 EPA method 200.7 Not recorded
Collected
May 6, 2019 10:52
Sampling point
TF101 Treatment Plant T101
Sample type
Routine
Lab sample
190507-029IN
Laboratory
MSDH Lab
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected May 6, 2019 10:52, sampling point TF101 Arsenic 1005 EPA method 200.8 Jan 1, 2017 – Dec 31, 2019
0.0664 mg/l , sample collected May 6, 2019 10:52, sampling point TF101 Barium 1010 EPA method 200.8 Jan 1, 2017 – Dec 31, 2019
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected May 6, 2019 10:52, sampling point TF101 Cadmium 1015 EPA method 200.8 Jan 1, 2017 – Dec 31, 2019
0.0197 mg/l , sample collected May 6, 2019 10:52, sampling point TF101 Chromium 1020 EPA method 200.8 Jan 1, 2017 – Dec 31, 2019
Not detected below 0.1 mg/l Minimum Reporting Level , sample collected May 6, 2019 10:52, sampling point TF101 Fluoride 1025 EPA method 300.0 Jan 1, 2017 – Dec 31, 2019
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected May 6, 2019 10:52, sampling point TF101 Mercury 1035 EPA method 200.8 Jan 1, 2017 – Dec 31, 2019
0.0141 mg/l , sample collected May 6, 2019 10:52, sampling point TF101 Nickel 1036 EPA method 200.8 Not recorded
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected May 6, 2019 10:52, sampling point TF101 Selenium 1045 EPA method 200.8 Jan 1, 2017 – Dec 31, 2019
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected May 6, 2019 10:52, sampling point TF101 Antimony, Total 1074 EPA method 200.8 Jan 1, 2017 – Dec 31, 2019
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected May 6, 2019 10:52, sampling point TF101 Beryllium, Total 1075 EPA method 200.8 Jan 1, 2017 – Dec 31, 2019
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected May 6, 2019 10:52, sampling point TF101 Thallium, Total 1085 EPA method 200.8 Jan 1, 2017 – Dec 31, 2019
Collected
Mar 5, 2018 11:00
Sampling point
TF101 Treatment Plant T101
Sample type
Routine
Lab sample
180306-035NI
Laboratory
MSDH Lab
Not detected below 0.1 mg/l Minimum Reporting Level , sample collected Mar 5, 2018 11:00, sampling point TF101 Nitrate-Nitrite 1038 EPA method QC10107041C Jan 1, 2018 – Dec 31, 2018
Not detected below 0.08 mg/l Minimum Reporting Level , sample collected Mar 5, 2018 11:00, sampling point TF101 Nitrate 1040 EPA method QC10107041C Jan 1, 2018 – Dec 31, 2018
Not detected below 0.02 mg/l Minimum Reporting Level , sample collected Mar 5, 2018 11:00, sampling point TF101 Nitrite 1041 EPA method QC10107041C Jan 1, 2018 – Dec 31, 2018
Collected
Aug 23, 2017 06:00
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
170824-065PB
Laboratory
MSDH Lab
0.0032 mg/l , sample collected Aug 23, 2017 06:00, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2015 – Dec 31, 2017
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Aug 23, 2017 06:00, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2015 – Dec 31, 2017
Collected
Aug 23, 2017 08:26
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
170824-064PB
Laboratory
MSDH Lab
0.0112 mg/l , sample collected Aug 23, 2017 08:26, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2015 – Dec 31, 2017
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Aug 23, 2017 08:26, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2015 – Dec 31, 2017
Collected
Aug 23, 2017
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
170824-063PB
Laboratory
MSDH Lab
0.0127 mg/l , sample collected Aug 23, 2017, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2015 – Dec 31, 2017
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Aug 23, 2017, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2015 – Dec 31, 2017
Collected
Aug 23, 2017 04:30
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
170824-062PB
Laboratory
MSDH Lab
0.0045 mg/l , sample collected Aug 23, 2017 04:30, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2015 – Dec 31, 2017
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Aug 23, 2017 04:30, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2015 – Dec 31, 2017
Collected
Aug 23, 2017 07:00
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
170824-061PB
Laboratory
MSDH Lab
0.0876 mg/l , sample collected Aug 23, 2017 07:00, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2015 – Dec 31, 2017
0.0143 mg/l , sample collected Aug 23, 2017 07:00, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2015 – Dec 31, 2017
Collected
Aug 23, 2017 08:00
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
170824-060PB
Laboratory
MSDH Lab
0.0876 mg/l , sample collected Aug 23, 2017 08:00, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2015 – Dec 31, 2017
0.0143 mg/l , sample collected Aug 23, 2017 08:00, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2015 – Dec 31, 2017
Collected
Aug 23, 2017 07:34
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
170824-058PB
Laboratory
MSDH Lab
0.234 mg/l , sample collected Aug 23, 2017 07:34, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2015 – Dec 31, 2017
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Aug 23, 2017 07:34, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2015 – Dec 31, 2017

Routine (10).