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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

MS0800005 , City of Louisville - Northeast

18 of the 62 analytes this system has been tested for have been detected at least once, across 142 samples on record.

The other 44 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 142 samples on record, detections range from November 3, 2003 to August 5, 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 City of Louisville - Northeast, 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 52 of 52 results Sep 17, 2008 Aug 15, 2023
Lead 1030 Inorganic Chemical 28 of 52 results Sep 17, 2008 Aug 15, 2023
Nitrate-Nitrite 1038 Inorganic Chemical 22 of 22 results Jun 21, 2004 Aug 5, 2026
Nitrate 1040 Inorganic Chemical 22 of 22 results Jun 21, 2004 Aug 5, 2026
Barium 1010 Inorganic Chemical 10 of 10 results Nov 3, 2003 Apr 8, 2025
Nickel 1036 Inorganic Chemical 10 of 10 results Nov 3, 2003 Apr 8, 2025
Dibromochloromethane 2944 Organic Chemical 7 of 13 results Sep 18, 2007 Apr 28, 2025
TTHM 2950 Organic Chemical 7 of 18 results Sep 18, 2007 Apr 28, 2025
Bromodichloromethane 2943 Organic Chemical 5 of 13 results Sep 18, 2007 Apr 28, 2025
Bromoform 2942 Organic Chemical 3 of 13 results Mar 7, 2024 Apr 28, 2025
Chromium 1020 Inorganic Chemical 3 of 10 results Nov 3, 2003 Apr 8, 2025
Total Haloacetic Acids (Haa5) 2456 Organic Chemical 3 of 19 results Aug 4, 2010 Aug 13, 2024
Sodium 1052 Inorganic Chemical 3 of 3 results Sep 18, 2019 Mar 20, 2023
Calcium 1016 Inorganic Chemical 1 of 1 result Oct 28, 2021 Oct 28, 2021
Chloride 1017 Inorganic Chemical 1 of 1 result Oct 28, 2021 Oct 28, 2021
Conductivity @ 25 C Umhos/CM 1064 Water Quality 1 of 1 result Oct 28, 2021 Oct 28, 2021
Selenium 1045 Inorganic Chemical 1 of 10 results Apr 5, 2004 Apr 5, 2004
Sulfate 1055 Inorganic Chemical 1 of 3 results Nov 3, 2003 Nov 3, 2003

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 142 samples, newest first — collected August 1, 2017 to May 4, 2021. The summary above covers all 142.

34 results from the 10 samples listed here: 13 detected, 21 not detected. Across the whole record it is 180 of 648. 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 City of Louisville - Northeast, every result from 41 to 50 of 142 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
May 4, 2021 13:15
Sampling point
TF080 Treatment Plant T080
Sample type
Routine
Lab sample
NI-210505-052
Laboratory
MSDH Lab
0.78 mg/l , sample collected May 4, 2021 13:15, sampling point TF080 Nitrate-Nitrite 1038 EPA method QC10107041C Jan 1, 2021 – Dec 31, 2021
0.78 mg/l , sample collected May 4, 2021 13:15, sampling point TF080 Nitrate 1040 EPA method QC10107041C Jan 1, 2021 – Dec 31, 2021
Not detected below 0.02 mg/l Minimum Reporting Level , sample collected May 4, 2021 13:15, sampling point TF080 Nitrite 1041 EPA method QC10107041C Jan 1, 2021 – Dec 31, 2021
Collected
Nov 16, 2020 13:45
Sampling point
MRT000 Max. Res. Time
Sample type
Routine
Lab sample
201117-001HA
Laboratory
MSDH Lab
Not detected below 0.002 mg/l Minimum Reporting Level , sample collected Nov 16, 2020 13:45, sampling point MRT000 Monochloroacetic Acid 2450 EPA method 552.2 Not recorded
Not detected below 0.001 mg/l Minimum Reporting Level , sample collected Nov 16, 2020 13:45, sampling point MRT000 Dichloroacetic Acid 2451 EPA method 552.2 Not recorded
Not detected below 0.001 mg/l Minimum Reporting Level , sample collected Nov 16, 2020 13:45, sampling point MRT000 Trichloroacetic Acid 2452 EPA method 552.2 Not recorded
Not detected below 0.001 mg/l Minimum Reporting Level , sample collected Nov 16, 2020 13:45, sampling point MRT000 Monobromoacetic Acid 2453 EPA method 552.2 Not recorded
Not detected below 0.001 mg/l Minimum Reporting Level , sample collected Nov 16, 2020 13:45, sampling point MRT000 Dibromoacetic Acid 2454 EPA method 552.2 Not recorded
Not detected below 0.006 mg/l Minimum Reporting Level , sample collected Nov 16, 2020 13:45, sampling point MRT000 Total Haloacetic Acids (Haa5) 2456 Not recorded
Collected
May 27, 2020 14:15
Sampling point
TF080 Treatment Plant T080
Sample type
Routine
Lab sample
200528-043NI
Laboratory
MSDH Lab
0.79 mg/l , sample collected May 27, 2020 14:15, sampling point TF080 Nitrate-Nitrite 1038 EPA method QC10107041C Jan 1, 2020 – Dec 31, 2020
0.79 mg/l , sample collected May 27, 2020 14:15, sampling point TF080 Nitrate 1040 EPA method QC10107041C Jan 1, 2020 – Dec 31, 2020
Not detected below 0.02 mg/l Minimum Reporting Level , sample collected May 27, 2020 14:15, sampling point TF080 Nitrite 1041 EPA method QC10107041C Jan 1, 2020 – Dec 31, 2020
Collected
Sep 18, 2019 08:30
Sampling point
TF080 Treatment Plant T080
Sample type
Routine
Lab sample
680-174320-27
Laboratory
Test America-Savannah
4800 ug/l , sample collected Sep 18, 2019 08:30, sampling point TF080 Sodium 1052 EPA method 200.7 Not recorded
Collected
Jul 17, 2019 13:30
Sampling point
TF080 Treatment Plant T080
Sample type
Routine
Lab sample
190718-003CN
Laboratory
MSDH Lab
Not detected below 0.015 mg/l Minimum Reporting Level , sample collected Jul 17, 2019 13:30, sampling point TF080 Cyanide 1024 EPA method QC10204001X Jan 1, 2017 – Dec 31, 2019
Collected
May 20, 2019 01:30
Sampling point
TF080 Treatment Plant T080
Sample type
Routine
Lab sample
190521-011IN
Laboratory
MSDH Lab
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected May 20, 2019 01:30, sampling point TF080 Arsenic 1005 EPA method 200.8 Jan 1, 2017 – Dec 31, 2019
0.0148 mg/l , sample collected May 20, 2019 01:30, sampling point TF080 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 20, 2019 01:30, sampling point TF080 Cadmium 1015 EPA method 200.8 Jan 1, 2017 – Dec 31, 2019
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected May 20, 2019 01:30, sampling point TF080 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 20, 2019 01:30, sampling point TF080 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 20, 2019 01:30, sampling point TF080 Mercury 1035 EPA method 200.8 Jan 1, 2017 – Dec 31, 2019
0.0006 mg/l , sample collected May 20, 2019 01:30, sampling point TF080 Nickel 1036 EPA method 200.8 Not recorded
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected May 20, 2019 01:30, sampling point TF080 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 20, 2019 01:30, sampling point TF080 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 20, 2019 01:30, sampling point TF080 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 20, 2019 01:30, sampling point TF080 Thallium, Total 1085 EPA method 200.8 Jan 1, 2017 – Dec 31, 2019
Collected
Apr 9, 2018 13:35
Sampling point
TF080 Treatment Plant T080
Sample type
Routine
Lab sample
180410-047NI
Laboratory
MSDH Lab
0.81 mg/l , sample collected Apr 9, 2018 13:35, sampling point TF080 Nitrate-Nitrite 1038 EPA method QC10107041C Jan 1, 2018 – Dec 31, 2018
0.81 mg/l , sample collected Apr 9, 2018 13:35, sampling point TF080 Nitrate 1040 EPA method QC10107041C Jan 1, 2018 – Dec 31, 2018
Not detected below 0.02 mg/l Minimum Reporting Level , sample collected Apr 9, 2018 13:35, sampling point TF080 Nitrite 1041 EPA method QC10107041C Jan 1, 2018 – Dec 31, 2018
Collected
Aug 2, 2017 06:30
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
170803-100PB
Laboratory
MSDH Lab
0.0061 mg/l , sample collected Aug 2, 2017 06:30, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2015 – Dec 31, 2017
0.0015 mg/l , sample collected Aug 2, 2017 06:30, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2015 – Dec 31, 2017
Collected
Aug 2, 2017 07:00
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
170803-098PB
Laboratory
MSDH Lab
0.0162 mg/l , sample collected Aug 2, 2017 07:00, 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 2, 2017 07:00, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2015 – Dec 31, 2017
Collected
Aug 1, 2017
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
170803-104PB
Laboratory
MSDH Lab
0.0223 mg/l , sample collected Aug 1, 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 1, 2017, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2015 – Dec 31, 2017

Routine (10).