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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

MS0290019 , N. E. MS. Regional W/S

24 of the 104 analytes this system has been tested for have been detected at least once, across 692 samples on record.

The other 80 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 692 samples on record, detections range from July 23, 2002 to July 21, 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 N. E. MS. Regional W/S, 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
TTHM 2950 Organic Chemical 255 of 255 results Mar 16, 2004 Jun 15, 2026
Total Haloacetic Acids (Haa5) 2456 Organic Chemical 250 of 251 results Mar 16, 2004 Jun 15, 2026
Bromodichloromethane 2943 Organic Chemical 165 of 165 results Mar 13, 2006 Jun 15, 2026
Chloroform 2941 Organic Chemical 164 of 164 results Mar 13, 2006 Jun 15, 2026
Trichloroacetic Acid 2452 Organic Chemical 152 of 152 results Feb 25, 2008 Jun 15, 2026
Dichloroacetic Acid 2451 Organic Chemical 150 of 152 results Feb 25, 2008 Jun 15, 2026
Monochloroacetic Acid 2450 Organic Chemical 73 of 152 results Mar 10, 2008 Aug 24, 2020
Dibromochloromethane 2944 Organic Chemical 54 of 165 results Jun 28, 2006 Jun 15, 2026
Monobromoacetic Acid 2453 Organic Chemical 45 of 152 results Feb 25, 2008 Nov 9, 2020
Carbon, Total 2920 Water Quality 42 of 42 results Oct 22, 2024 Jul 21, 2026
Barium 1010 Inorganic Chemical 22 of 22 results Jul 23, 2002 Feb 5, 2024
Alkalinity, Total 1927 Water Quality 21 of 21 results Oct 22, 2024 Jul 21, 2026
Fluoride 1025 Inorganic Chemical 20 of 22 results Jul 23, 2002 Feb 5, 2024
Nickel 1036 Inorganic Chemical 20 of 22 results Jul 23, 2002 Feb 5, 2024
Chromium 1020 Inorganic Chemical 15 of 22 results Jul 23, 2002 Feb 5, 2024
Cyanide 1024 Inorganic Chemical 10 of 25 results Aug 31, 2009 May 6, 2025
Nitrate 1040 Inorganic Chemical 8 of 23 results May 17, 2004 Feb 19, 2020
Sodium 1052 Inorganic Chemical 7 of 7 results Sep 18, 2019 Jul 15, 2026
Nitrate-Nitrite 1038 Inorganic Chemical 6 of 23 results May 17, 2004 Feb 19, 2020
Arsenic 1005 Inorganic Chemical 4 of 22 results Mar 14, 2005 Feb 5, 2024
Selenium 1045 Inorganic Chemical 3 of 22 results Mar 14, 2005 Nov 3, 2008
Thallium, Total 1085 Inorganic Chemical 2 of 22 results Mar 14, 2005 Aug 31, 2009
Sulfate 1055 Inorganic Chemical 2 of 2 results Jul 23, 2002 Feb 9, 2004
Cadmium 1015 Inorganic Chemical 1 of 22 results Feb 6, 2006 Feb 6, 2006

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 111–120 of 692 samples, newest first — collected April 12, 2022 to November 7, 2022. The summary above covers all 692.

30 results from the 10 samples listed here: 8 detected, 22 not detected. Across the whole record it is 1,491 of 2,849. 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 N. E. MS. Regional W/S, every result from 111 to 120 of 692 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 7, 2022 13:20
Sampling point
SM1 Baldwyn Tank
Sample type
Routine
Lab sample
TH-221108-021
Laboratory
MSDH Lab
24 ug/l , sample collected Nov 7, 2022 13:20, sampling point SM1 TTHM 2950 EPA method 524.2 Oct 1, 2022 – Dec 31, 2022
Collected
Jul 18, 2022 09:10
Sampling point
SM2 Skyline- Tupelo
Sample type
Routine
Lab sample
HA-220719-002
Laboratory
MSDH Lab
21 ug/l , sample collected Jul 18, 2022 09:10, sampling point SM2 Total Haloacetic Acids (Haa5) 2456 EPA method 552.2 Jul 1, 2022 – Sep 30, 2022
Collected
Jul 18, 2022 09:10
Sampling point
SM2 Skyline- Tupelo
Sample type
Routine
Lab sample
TH-220719-002
Laboratory
MSDH Lab
41.8 ug/l , sample collected Jul 18, 2022 09:10, sampling point SM2 TTHM 2950 EPA method 524.2 Jul 1, 2022 – Sep 30, 2022
Collected
Jul 18, 2022 12:55
Sampling point
SM1 Baldwyn Tank
Sample type
Routine
Lab sample
HA-220719-001
Laboratory
MSDH Lab
27.2 ug/l , sample collected Jul 18, 2022 12:55, sampling point SM1 Total Haloacetic Acids (Haa5) 2456 EPA method 552.2 Jul 1, 2022 – Sep 30, 2022
Collected
Jul 18, 2022 12:55
Sampling point
SM1 Baldwyn Tank
Sample type
Routine
Lab sample
TH-220719-001
Laboratory
MSDH Lab
51.7 ug/l , sample collected Jul 18, 2022 12:55, sampling point SM1 TTHM 2950 EPA method 524.2 Jul 1, 2022 – Sep 30, 2022
Collected
Jun 6, 2022 14:20
Sampling point
TF080 Treatment Plant T080
Sample type
Routine
Lab sample
VO-220607-012
Laboratory
MSDH Lab
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jun 6, 2022 14:20, 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 Jun 6, 2022 14:20, 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 Jun 6, 2022 14:20, 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 Jun 6, 2022 14:20, 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 Jun 6, 2022 14:20, 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 Jun 6, 2022 14:20, 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 Jun 6, 2022 14:20, 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 Jun 6, 2022 14:20, 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 Jun 6, 2022 14:20, 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 Jun 6, 2022 14:20, 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 Jun 6, 2022 14:20, 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 Jun 6, 2022 14:20, 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 Jun 6, 2022 14:20, 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 Jun 6, 2022 14:20, 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 Jun 6, 2022 14:20, 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 Jun 6, 2022 14:20, 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 Jun 6, 2022 14:20, 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 Jun 6, 2022 14:20, 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 Jun 6, 2022 14:20, 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 Jun 6, 2022 14:20, 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 Jun 6, 2022 14:20, sampling point TF080 Styrene 2996 EPA method 524.2 Jan 1, 2017 – Dec 31, 2022
Collected
May 2, 2022 15:28
Sampling point
TF080 Treatment Plant T080
Sample type
Routine
Lab sample
CN-220503-007
Laboratory
MSDH Lab
Not detected below 0.015 mg/l Minimum Reporting Level , sample collected May 2, 2022 15:28, sampling point TF080 Cyanide 1024 EPA method QC10204001X Jan 1, 2022 – Dec 31, 2022
Collected
Apr 12, 2022 10:15
Sampling point
SM2 Skyline- Tupelo
Sample type
Routine
Lab sample
HA-220413-009
Laboratory
MSDH Lab
18.3 ug/l , sample collected Apr 12, 2022 10:15, sampling point SM2 Total Haloacetic Acids (Haa5) 2456 EPA method 552.2 Apr 1, 2022 – Jun 30, 2022
Collected
Apr 12, 2022 10:50
Sampling point
SM1 Baldwyn Tank
Sample type
Routine
Lab sample
HA-220413-008
Laboratory
MSDH Lab
24.6 ug/l , sample collected Apr 12, 2022 10:50, sampling point SM1 Total Haloacetic Acids (Haa5) 2456 EPA method 552.2 Apr 1, 2022 – Jun 30, 2022
Collected
Apr 12, 2022 10:15
Sampling point
SM2 Skyline- Tupelo
Sample type
Routine
Lab sample
TH-220413-009
Laboratory
MSDH Lab
29.9 ug/l , sample collected Apr 12, 2022 10:15, sampling point SM2 TTHM 2950 EPA method 524.2 Apr 1, 2022 – Jun 30, 2022

Routine (10).