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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 31–40 of 142 samples, newest first — collected September 22, 2021 to November 29, 2022. The summary above covers all 142.

49 results from the 10 samples listed here: 9 detected, 40 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 31 to 40 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
Nov 29, 2022 08:30
Sampling point
TF080 Treatment Plant T080
Sample type
Routine
Lab sample
IN-221130-024
Laboratory
MSDH Lab
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Nov 29, 2022 08:30, sampling point TF080 Arsenic 1005 EPA method 200.8 Jan 1, 2020 – Dec 31, 2022
0.0156 mg/l , sample collected Nov 29, 2022 08:30, sampling point TF080 Barium 1010 EPA method 200.8 Jan 1, 2020 – Dec 31, 2022
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Nov 29, 2022 08:30, sampling point TF080 Cadmium 1015 EPA method 200.8 Jan 1, 2020 – Dec 31, 2022
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Nov 29, 2022 08:30, sampling point TF080 Chromium 1020 EPA method 200.8 Jan 1, 2020 – Dec 31, 2022
Not detected below 0.1 mg/l Minimum Reporting Level , sample collected Nov 29, 2022 08:30, sampling point TF080 Fluoride 1025 EPA method QC 10-109-12-2-A Jan 1, 2020 – Dec 31, 2022
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Nov 29, 2022 08:30, sampling point TF080 Mercury 1035 EPA method 200.8 Jan 1, 2020 – Dec 31, 2022
0.0008 mg/l , sample collected Nov 29, 2022 08:30, sampling point TF080 Nickel 1036 EPA method 200.8 Not recorded
Not detected below 0.0025 mg/l Minimum Reporting Level , sample collected Nov 29, 2022 08:30, sampling point TF080 Selenium 1045 EPA method 200.8 Jan 1, 2020 – Dec 31, 2022
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Nov 29, 2022 08:30, sampling point TF080 Antimony, Total 1074 EPA method 200.8 Jan 1, 2020 – Dec 31, 2022
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Nov 29, 2022 08:30, sampling point TF080 Beryllium, Total 1075 EPA method 200.8 Jan 1, 2020 – Dec 31, 2022
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Nov 29, 2022 08:30, sampling point TF080 Thallium, Total 1085 EPA method 200.8 Jan 1, 2020 – Dec 31, 2022
Collected
Oct 26, 2022 13:30
Sampling point
TF080 Treatment Plant T080
Sample type
Routine
Lab sample
CN-221027-012
Laboratory
MSDH Lab
Not detected below 0.015 mg/l Minimum Reporting Level , sample collected Oct 26, 2022 13:30, sampling point TF080 Cyanide 1024 EPA method QC10204001X Jan 1, 2020 – Dec 31, 2022
Collected
Oct 26, 2022 13:20
Sampling point
TF080 Treatment Plant T080
Sample type
Routine
Lab sample
VO-221027-020
Laboratory
MSDH Lab
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Oct 26, 2022 13:20, sampling point TF080 1,2,4-Trichlorobenzene 2378 EPA method 524.2 Jan 1, 2017 – Dec 31, 2022
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Oct 26, 2022 13:20, sampling point TF080 Cis-1,2-Dichloroethylene 2380 EPA method 524.2 Jan 1, 2017 – Dec 31, 2022
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Oct 26, 2022 13:20, sampling point TF080 Xylenes, Total 2955 EPA method 524.2 Jan 1, 2017 – Dec 31, 2022
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Oct 26, 2022 13:20, sampling point TF080 Dichloromethane 2964 EPA method 524.2 Jan 1, 2017 – Dec 31, 2022
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Oct 26, 2022 13:20, sampling point TF080 O-Dichlorobenzene 2968 EPA method 524.2 Jan 1, 2017 – Dec 31, 2022
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Oct 26, 2022 13:20, sampling point TF080 P-Dichlorobenzene 2969 EPA method 524.2 Jan 1, 2017 – Dec 31, 2022
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Oct 26, 2022 13:20, sampling point TF080 Vinyl Chloride 2976 EPA method 524.2 Jan 1, 2017 – Dec 31, 2022
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Oct 26, 2022 13:20, sampling point TF080 1,1-Dichloroethylene 2977 EPA method 524.2 Jan 1, 2017 – Dec 31, 2022
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Oct 26, 2022 13:20, sampling point TF080 Trans-1,2-Dichloroethylene 2979 EPA method 524.2 Jan 1, 2017 – Dec 31, 2022
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Oct 26, 2022 13:20, sampling point TF080 1,2-Dichloroethane 2980 EPA method 524.2 Jan 1, 2017 – Dec 31, 2022
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Oct 26, 2022 13:20, sampling point TF080 1,1,1-Trichloroethane 2981 EPA method 524.2 Jan 1, 2017 – Dec 31, 2022
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Oct 26, 2022 13:20, sampling point TF080 Carbon Tetrachloride 2982 EPA method 524.2 Jan 1, 2017 – Dec 31, 2022
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Oct 26, 2022 13:20, sampling point TF080 1,2-Dichloropropane 2983 EPA method 524.2 Jan 1, 2017 – Dec 31, 2022
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Oct 26, 2022 13:20, sampling point TF080 Trichloroethylene 2984 EPA method 524.2 Jan 1, 2017 – Dec 31, 2022
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Oct 26, 2022 13:20, sampling point TF080 1,1,2-Trichloroethane 2985 EPA method 524.2 Jan 1, 2017 – Dec 31, 2022
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Oct 26, 2022 13:20, sampling point TF080 Tetrachloroethylene 2987 EPA method 524.2 Jan 1, 2017 – Dec 31, 2022
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Oct 26, 2022 13:20, sampling point TF080 Chlorobenzene 2989 EPA method 524.2 Jan 1, 2017 – Dec 31, 2022
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Oct 26, 2022 13:20, sampling point TF080 Benzene 2990 EPA method 524.2 Jan 1, 2017 – Dec 31, 2022
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Oct 26, 2022 13:20, sampling point TF080 Toluene 2991 EPA method 524.2 Jan 1, 2017 – Dec 31, 2022
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Oct 26, 2022 13:20, sampling point TF080 Ethylbenzene 2992 EPA method 524.2 Jan 1, 2017 – Dec 31, 2022
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Oct 26, 2022 13:20, sampling point TF080 Styrene 2996 EPA method 524.2 Jan 1, 2017 – Dec 31, 2022
Collected
Oct 17, 2022 09:00
Sampling point
MRT000 Max. Res. Time
Sample type
Routine
Lab sample
HA-221018-015
Laboratory
MSDH Lab
Not detected below 1 ug/l Minimum Reporting Level , sample collected Oct 17, 2022 09:00, sampling point MRT000 Total Haloacetic Acids (Haa5) 2456 EPA method 552.2 Not recorded
Collected
Oct 17, 2022 09:00
Sampling point
MRT000 Max. Res. Time
Sample type
Routine
Lab sample
TH-221018-015
Laboratory
MSDH Lab
Not detected below 1 ug/l Minimum Reporting Level , sample collected Oct 17, 2022 09:00, sampling point MRT000 TTHM 2950 EPA method 524.2 Not recorded
Collected
Apr 4, 2022 13:15
Sampling point
TF080 Treatment Plant T080
Sample type
Routine
Lab sample
NI-220405-052
Laboratory
MSDH Lab
0.727 mg/l , sample collected Apr 4, 2022 13:15, sampling point TF080 Nitrate-Nitrite 1038 EPA method QC10107041C Jan 1, 2022 – Dec 31, 2022
0.727 mg/l , sample collected Apr 4, 2022 13:15, sampling point TF080 Nitrate 1040 EPA method QC10107041C Jan 1, 2022 – Dec 31, 2022
Not detected below 0.02 mg/l Minimum Reporting Level , sample collected Apr 4, 2022 13:15, sampling point TF080 Nitrite 1041 EPA method QC10107041C Jan 1, 2022 – Dec 31, 2022
Collected
Dec 7, 2021 09:50
Sampling point
MRT000 Max. Res. Time
Sample type
Routine
Lab sample
HA-211208-023
Laboratory
MSDH Lab
1.08 ug/l , sample collected Dec 7, 2021 09:50, sampling point MRT000 Total Haloacetic Acids (Haa5) 2456 EPA method 552.2 Not recorded
Collected
Dec 7, 2021 09:50
Sampling point
MRT000 Max. Res. Time
Sample type
Routine
Lab sample
TH-211208-018
Laboratory
MSDH Lab
Not detected below 1 ug/l Minimum Reporting Level , sample collected Dec 7, 2021 09:50, sampling point MRT000 TTHM 2950 EPA method 524.2 Not recorded
Collected
Oct 28, 2021 12:31
Sampling point
WL001 Well W001
Sample type
Routine
Lab sample
7PC-211029-003
Laboratory
MSDH Lab
1.7 mg/l , sample collected Oct 28, 2021 12:31, sampling point WL001 Calcium 1016 EPA method 200.7 Not recorded
4.49 mg/l , sample collected Oct 28, 2021 12:31, sampling point WL001 Chloride 1017 EPA method 300.0 Not recorded
Not detected below 0.01 mg/l Minimum Reporting Level , sample collected Oct 28, 2021 12:31, sampling point WL001 Fluoride 1025 EPA method 300.0 Not recorded
3.39 mg/l , sample collected Oct 28, 2021 12:31, sampling point WL001 Sodium 1052 EPA method 200.7 Not recorded
Not detected below 0.5 mg/l Minimum Reporting Level , sample collected Oct 28, 2021 12:31, sampling point WL001 Sulfate 1055 EPA method 300.0 Not recorded
36 umho/cm , sample collected Oct 28, 2021 12:31, sampling point WL001 Conductivity @ 25 C Umhos/CM 1064 EPA method 2510B Not recorded
Not detected below 10 cu Minimum Reporting Level , sample collected Oct 28, 2021 12:31, sampling point WL001 Color 1905 EPA method 2120B Not recorded
Not detected below 10 mg/l Minimum Reporting Level , sample collected Oct 28, 2021 12:31, sampling point WL001 Alkalinity, Total 1927 EPA method 2320B Not recorded
Collected
Sep 22, 2021 12:00
Sampling point
TF080 Treatment Plant T080
Sample type
Routine
Lab sample
RU-210923-012
Laboratory
MSDH Lab
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Sep 22, 2021 12:00, sampling point TF080 Combined Uranium 4006 EPA method 200.8 Jan 1, 2013 – Dec 31, 2021

Routine (10).