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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

MS0180011 , City of Petal

29 of the 107 analytes this system has been tested for have been detected at least once, across 823 samples on record.

The other 78 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 823 samples on record, detections range from October 20, 1992 to July 1, 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 Petal, 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 213 of 316 results Oct 21, 1992 Sep 30, 2024
Lead 1030 Inorganic Chemical 121 of 316 results Oct 20, 1992 Jul 22, 2024
Nitrate-Nitrite 1038 Inorganic Chemical 51 of 79 results May 12, 2004 Jul 1, 2026
Nitrate 1040 Inorganic Chemical 51 of 79 results May 12, 2004 Jul 1, 2026
Barium 1010 Inorganic Chemical 42 of 42 results May 14, 2002 Jul 1, 2026
Fluoride 1025 Inorganic Chemical 32 of 42 results May 14, 2002 Jul 1, 2026
Nickel 1036 Inorganic Chemical 30 of 39 results May 14, 2002 Feb 5, 2025
Chromium 1020 Inorganic Chemical 27 of 42 results May 14, 2002 Feb 5, 2025
Gross Alpha, Incl. Radon & U 4002 Radionuclide 24 of 24 results Mar 7, 2012 Sep 18, 2015
Combined Radium (-226 & -228) 4010 Radionuclide 23 of 33 results Sep 23, 2009 Sep 18, 2015
Radium-226 4020 Radionuclide 23 of 33 results Sep 23, 2009 Sep 18, 2015
Gross Alpha Particle Activity 4109 Radionuclide 9 of 9 results Sep 23, 2009 Mar 13, 2014
Gross Alpha, Excl. Radon & U 4000 Radionuclide 8 of 8 results Sep 23, 2009 Mar 12, 2010
Gross Beta Particle Activity 4100 Radionuclide 8 of 8 results Sep 23, 2009 Mar 12, 2010
TTHM 2950 Organic Chemical 7 of 23 results Sep 18, 2008 Apr 28, 2026
Total Haloacetic Acids (Haa5) 2456 Organic Chemical 7 of 21 results Sep 18, 2008 Apr 15, 2025
Sodium 1052 Inorganic Chemical 6 of 6 results Feb 8, 2021 Jan 31, 2024
Radium-228 4030 Radionuclide 6 of 33 results Sep 23, 2009 May 29, 2014
Chloroform 2941 Organic Chemical 5 of 17 results Feb 26, 2024 Apr 28, 2026
Sulfate 1055 Inorganic Chemical 4 of 8 results May 14, 2002 Jan 28, 2004
Bromodichloromethane 2943 Organic Chemical 3 of 17 results Feb 26, 2024 Apr 28, 2026
Arsenic 1005 Inorganic Chemical 3 of 42 results Mar 31, 2008 May 11, 2022
Dibromochloromethane 2944 Organic Chemical 2 of 17 results May 22, 2024 Apr 28, 2026
Dichloroacetic Acid 2451 Organic Chemical 2 of 15 results Jul 11, 2012 Aug 24, 2020
Monobromoacetic Acid 2453 Organic Chemical 2 of 15 results Jul 11, 2012 Aug 24, 2020
Monochloroacetic Acid 2450 Organic Chemical 1 of 15 results Jul 17, 2019 Jul 17, 2019
Nitrite 1041 Inorganic Chemical 1 of 79 results Feb 1, 2012 Feb 1, 2012
Mercury 1035 Inorganic Chemical 1 of 42 results Feb 28, 2005 Feb 28, 2005
Selenium 1045 Inorganic Chemical 1 of 42 results Jan 28, 2004 Jan 28, 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 111–120 of 823 samples, newest first — collected January 20, 2021 to March 15, 2021. The summary above covers all 823.

66 results from the 10 samples listed here: 17 detected, 49 not detected. Across the whole record it is 713 of 3,987. 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 Petal, every result from 111 to 120 of 823 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
Mar 15, 2021 13:10
Sampling point
TF081 Treatment Plant T081
Sample type
Routine
Lab sample
210316-015VO
Laboratory
MSDH Lab
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Mar 15, 2021 13:10, sampling point TF081 1,2,4-Trichlorobenzene 2378 EPA method 524.2 Jan 1, 2021 – Mar 31, 2021
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Mar 15, 2021 13:10, sampling point TF081 Cis-1,2-Dichloroethylene 2380 EPA method 524.2 Jan 1, 2021 – Mar 31, 2021
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Mar 15, 2021 13:10, sampling point TF081 Xylenes, Total 2955 EPA method 524.2 Jan 1, 2021 – Mar 31, 2021
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Mar 15, 2021 13:10, sampling point TF081 Dichloromethane 2964 EPA method 524.2 Jan 1, 2021 – Mar 31, 2021
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Mar 15, 2021 13:10, sampling point TF081 O-Dichlorobenzene 2968 EPA method 524.2 Jan 1, 2021 – Mar 31, 2021
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Mar 15, 2021 13:10, sampling point TF081 P-Dichlorobenzene 2969 EPA method 524.2 Jan 1, 2021 – Mar 31, 2021
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Mar 15, 2021 13:10, sampling point TF081 Vinyl Chloride 2976 EPA method 524.2 Jan 1, 2021 – Mar 31, 2021
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Mar 15, 2021 13:10, sampling point TF081 1,1-Dichloroethylene 2977 EPA method 524.2 Jan 1, 2021 – Mar 31, 2021
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Mar 15, 2021 13:10, sampling point TF081 Trans-1,2-Dichloroethylene 2979 EPA method 524.2 Jan 1, 2021 – Mar 31, 2021
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Mar 15, 2021 13:10, sampling point TF081 1,2-Dichloroethane 2980 EPA method 524.2 Jan 1, 2021 – Mar 31, 2021
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Mar 15, 2021 13:10, sampling point TF081 1,1,1-Trichloroethane 2981 EPA method 524.2 Jan 1, 2021 – Mar 31, 2021
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Mar 15, 2021 13:10, sampling point TF081 Carbon Tetrachloride 2982 EPA method 524.2 Jan 1, 2021 – Mar 31, 2021
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Mar 15, 2021 13:10, sampling point TF081 1,2-Dichloropropane 2983 EPA method 524.2 Jan 1, 2021 – Mar 31, 2021
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Mar 15, 2021 13:10, sampling point TF081 Trichloroethylene 2984 EPA method 524.2 Jan 1, 2021 – Mar 31, 2021
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Mar 15, 2021 13:10, sampling point TF081 1,1,2-Trichloroethane 2985 EPA method 524.2 Jan 1, 2021 – Mar 31, 2021
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Mar 15, 2021 13:10, sampling point TF081 Tetrachloroethylene 2987 EPA method 524.2 Jan 1, 2021 – Mar 31, 2021
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Mar 15, 2021 13:10, sampling point TF081 Chlorobenzene 2989 EPA method 524.2 Jan 1, 2021 – Mar 31, 2021
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Mar 15, 2021 13:10, sampling point TF081 Benzene 2990 EPA method 524.2 Jan 1, 2021 – Mar 31, 2021
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Mar 15, 2021 13:10, sampling point TF081 Toluene 2991 EPA method 524.2 Jan 1, 2021 – Mar 31, 2021
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Mar 15, 2021 13:10, sampling point TF081 Ethylbenzene 2992 EPA method 524.2 Jan 1, 2021 – Mar 31, 2021
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Mar 15, 2021 13:10, sampling point TF081 Styrene 2996 EPA method 524.2 Jan 1, 2021 – Mar 31, 2021
Collected
Feb 8, 2021 14:00
Sampling point
TF082 Treatment Facility TF082
Sample type
Routine
Lab sample
NA-210209-018
Laboratory
MSDH Lab
33.4 mg/l , sample collected Feb 8, 2021 14:00, sampling point TF082 Sodium 1052 EPA method 200.7 Not recorded
Collected
Feb 8, 2021 13:30
Sampling point
TF081 Treatment Plant T081
Sample type
Routine
Lab sample
NA-210209-017
Laboratory
MSDH Lab
3.47 mg/l , sample collected Feb 8, 2021 13:30, sampling point TF081 Sodium 1052 EPA method 200.7 Not recorded
Collected
Feb 8, 2021 13:10
Sampling point
TF080 Treatment Plant T080
Sample type
Routine
Lab sample
NA-210209-016
Laboratory
MSDH Lab
3.48 mg/l , sample collected Feb 8, 2021 13:10, sampling point TF080 Sodium 1052 EPA method 200.7 Not recorded
Collected
Feb 8, 2021 13:55
Sampling point
TF082 Treatment Facility TF082
Sample type
Routine
Lab sample
NI-210209-037
Laboratory
MSDH Lab
Not detected below 0.1 mg/l Minimum Reporting Level , sample collected Feb 8, 2021 13:55, sampling point TF082 Nitrate-Nitrite 1038 EPA method QC10107041C Jan 1, 2021 – Dec 31, 2021
Not detected below 0.08 mg/l Minimum Reporting Level , sample collected Feb 8, 2021 13:55, sampling point TF082 Nitrate 1040 EPA method QC10107041C Jan 1, 2021 – Dec 31, 2021
Not detected below 0.02 mg/l Minimum Reporting Level , sample collected Feb 8, 2021 13:55, sampling point TF082 Nitrite 1041 EPA method QC10107041C Jan 1, 2021 – Dec 31, 2021
Collected
Feb 8, 2021 13:25
Sampling point
TF081 Treatment Plant T081
Sample type
Routine
Lab sample
NI-210209-036
Laboratory
MSDH Lab
0.785 mg/l , sample collected Feb 8, 2021 13:25, sampling point TF081 Nitrate-Nitrite 1038 EPA method QC10107041C Jan 1, 2021 – Dec 31, 2021
0.785 mg/l , sample collected Feb 8, 2021 13:25, sampling point TF081 Nitrate 1040 EPA method QC10107041C Jan 1, 2021 – Dec 31, 2021
Not detected below 0.02 mg/l Minimum Reporting Level , sample collected Feb 8, 2021 13:25, sampling point TF081 Nitrite 1041 EPA method QC10107041C Jan 1, 2021 – Dec 31, 2021
Collected
Feb 8, 2021 13:05
Sampling point
TF080 Treatment Plant T080
Sample type
Routine
Lab sample
NI-210209-035
Laboratory
MSDH Lab
0.359 mg/l , sample collected Feb 8, 2021 13:05, sampling point TF080 Nitrate-Nitrite 1038 EPA method QC10107041C Jan 1, 2021 – Dec 31, 2021
0.359 mg/l , sample collected Feb 8, 2021 13:05, 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 Feb 8, 2021 13:05, sampling point TF080 Nitrite 1041 EPA method QC10107041C Jan 1, 2021 – Dec 31, 2021
Collected
Jan 20, 2021 13:50
Sampling point
TF082 Treatment Facility TF082
Sample type
Routine
Lab sample
IN-210121-014
Laboratory
MSDH Lab
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Jan 20, 2021 13:50, sampling point TF082 Arsenic 1005 EPA method 200.8 Jan 1, 2020 – Dec 31, 2022
0.0367 mg/l , sample collected Jan 20, 2021 13:50, sampling point TF082 Barium 1010 EPA method 200.8 Jan 1, 2020 – Dec 31, 2022
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Jan 20, 2021 13:50, sampling point TF082 Cadmium 1015 EPA method 200.8 Jan 1, 2020 – Dec 31, 2022
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Jan 20, 2021 13:50, sampling point TF082 Chromium 1020 EPA method 200.8 Jan 1, 2020 – Dec 31, 2022
0.358 mg/l , sample collected Jan 20, 2021 13:50, sampling point TF082 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 Jan 20, 2021 13:50, sampling point TF082 Mercury 1035 EPA method 200.8 Jan 1, 2020 – Dec 31, 2022
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Jan 20, 2021 13:50, sampling point TF082 Nickel 1036 EPA method 200.8 Not recorded
Not detected below 0.0025 mg/l Minimum Reporting Level , sample collected Jan 20, 2021 13:50, sampling point TF082 Selenium 1045 EPA method 200.8 Jan 1, 2020 – Dec 31, 2022
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Jan 20, 2021 13:50, sampling point TF082 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 Jan 20, 2021 13:50, sampling point TF082 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 Jan 20, 2021 13:50, sampling point TF082 Thallium, Total 1085 EPA method 200.8 Jan 1, 2020 – Dec 31, 2022
Collected
Jan 20, 2021 13:20
Sampling point
TF080 Treatment Plant T080
Sample type
Routine
Lab sample
IN-210121-013
Laboratory
MSDH Lab
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Jan 20, 2021 13:20, sampling point TF080 Arsenic 1005 EPA method 200.8 Jan 1, 2020 – Dec 31, 2022
0.0441 mg/l , sample collected Jan 20, 2021 13:20, 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 Jan 20, 2021 13:20, sampling point TF080 Cadmium 1015 EPA method 200.8 Jan 1, 2020 – Dec 31, 2022
0.0007 mg/l , sample collected Jan 20, 2021 13:20, sampling point TF080 Chromium 1020 EPA method 200.8 Jan 1, 2020 – Dec 31, 2022
1.06 mg/l , sample collected Jan 20, 2021 13:20, 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 Jan 20, 2021 13:20, sampling point TF080 Mercury 1035 EPA method 200.8 Jan 1, 2020 – Dec 31, 2022
0.0008 mg/l , sample collected Jan 20, 2021 13:20, sampling point TF080 Nickel 1036 EPA method 200.8 Not recorded
Not detected below 0.0025 mg/l Minimum Reporting Level , sample collected Jan 20, 2021 13:20, 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 Jan 20, 2021 13:20, 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 Jan 20, 2021 13:20, 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 Jan 20, 2021 13:20, sampling point TF080 Thallium, Total 1085 EPA method 200.8 Jan 1, 2020 – Dec 31, 2022
Collected
Jan 20, 2021 13:35
Sampling point
TF081 Treatment Plant T081
Sample type
Routine
Lab sample
IN-210121-012
Laboratory
MSDH Lab
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Jan 20, 2021 13:35, sampling point TF081 Arsenic 1005 EPA method 200.8 Jan 1, 2020 – Dec 31, 2022
0.0381 mg/l , sample collected Jan 20, 2021 13:35, sampling point TF081 Barium 1010 EPA method 200.8 Jan 1, 2020 – Dec 31, 2022
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Jan 20, 2021 13:35, sampling point TF081 Cadmium 1015 EPA method 200.8 Jan 1, 2020 – Dec 31, 2022
0.0015 mg/l , sample collected Jan 20, 2021 13:35, sampling point TF081 Chromium 1020 EPA method 200.8 Jan 1, 2020 – Dec 31, 2022
0.931 mg/l , sample collected Jan 20, 2021 13:35, sampling point TF081 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 Jan 20, 2021 13:35, sampling point TF081 Mercury 1035 EPA method 200.8 Jan 1, 2020 – Dec 31, 2022
0.0007 mg/l , sample collected Jan 20, 2021 13:35, sampling point TF081 Nickel 1036 EPA method 200.8 Not recorded
Not detected below 0.0025 mg/l Minimum Reporting Level , sample collected Jan 20, 2021 13:35, sampling point TF081 Selenium 1045 EPA method 200.8 Jan 1, 2020 – Dec 31, 2022
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Jan 20, 2021 13:35, sampling point TF081 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 Jan 20, 2021 13:35, sampling point TF081 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 Jan 20, 2021 13:35, sampling point TF081 Thallium, Total 1085 EPA method 200.8 Jan 1, 2020 – Dec 31, 2022

Routine (10).