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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

MS0010002 , City of Natchez

25 of the 60 analytes this system has been tested for have been detected at least once, across 805 samples on record.

The other 35 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 805 samples on record, detections range from September 24, 1992 to June 22, 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 Natchez, 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 302 of 496 results Sep 30, 1992 Jun 17, 2024
Lead 1030 Inorganic Chemical 293 of 496 results Sep 24, 1992 Jun 17, 2024
TTHM 2950 Organic Chemical 125 of 125 results Mar 9, 2004 Jun 16, 2026
Total Haloacetic Acids (Haa5) 2456 Organic Chemical 122 of 125 results Mar 9, 2004 Jun 16, 2026
Chloroform 2941 Organic Chemical 107 of 107 results Jul 24, 2006 Jun 16, 2026
Bromodichloromethane 2943 Organic Chemical 107 of 107 results Jul 24, 2006 Jun 16, 2026
Dibromochloromethane 2944 Organic Chemical 107 of 107 results Jul 24, 2006 Jun 16, 2026
Dichloroacetic Acid 2451 Organic Chemical 104 of 104 results Dec 10, 2007 Jun 16, 2026
Trichloroacetic Acid 2452 Organic Chemical 104 of 104 results Dec 10, 2007 Jun 16, 2026
Monochloroacetic Acid 2450 Organic Chemical 36 of 104 results Dec 10, 2007 Apr 15, 2019
Dibromoacetic Acid 2454 Organic Chemical 32 of 104 results Dec 10, 2007 Nov 27, 2017
Nitrate-Nitrite 1038 Inorganic Chemical 21 of 23 results May 3, 2004 Jan 28, 2026
Nitrate 1040 Inorganic Chemical 21 of 23 results May 3, 2004 Jan 28, 2026
Fluoride 1025 Inorganic Chemical 12 of 12 results Jan 15, 2002 Jun 22, 2026
Barium 1010 Inorganic Chemical 11 of 11 results Jan 15, 2002 Jan 13, 2025
Chromium 1020 Inorganic Chemical 7 of 11 results Jan 12, 2004 Jan 13, 2025
Monobromoacetic Acid 2453 Organic Chemical 5 of 104 results Aug 10, 2010 Mar 12, 2019
Sodium 1052 Inorganic Chemical 3 of 3 results Sep 16, 2019 Oct 14, 2024
Gross Alpha, Incl. Radon & U 4002 Radionuclide 1 of 1 result Mar 20, 2018 Mar 20, 2018
Radium-226 4020 Radionuclide 1 of 3 results Mar 20, 2018 Mar 20, 2018
Gross Alpha, Excl. Radon & U 4000 Radionuclide 1 of 2 results Jan 28, 2009 Jan 28, 2009
Gross Alpha Particle Activity 4109 Radionuclide 1 of 2 results Jan 28, 2009 Jan 28, 2009
Nickel 1036 Inorganic Chemical 1 of 11 results Mar 10, 2008 Mar 10, 2008
Mercury 1035 Inorganic Chemical 1 of 11 results Jan 10, 2005 Jan 10, 2005
Selenium 1045 Inorganic Chemical 1 of 11 results Jan 10, 2005 Jan 10, 2005

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 441–450 of 805 samples, newest first — collected February 4, 2008 to May 5, 2008. The summary above covers all 805.

68 results from the 10 samples listed here: 31 detected, 37 not detected. Across the whole record it is 1,526 of 2,562. A sample is analysed for many analytes at once, so one sample appears on as many rows as it had results.

We withheld the location of 6 sampling points below. The location on record identifies a private home, and we do not publish those. That is our decision, not the agency’s. The sampling point, its type and every result taken there are published unchanged.

Chemical and radiological sample results for City of Natchez, every result from 441 to 450 of 805 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 5, 2008
Sampling point
SM1 Location withheld
Sample type
Routine
Lab sample
080506-019TH
Laboratory
MSDH Lab
25 ug/l , sample collected May 5, 2008, sampling point SM1 Chloroform 2941 EPA method 524.2 Not recorded
Not detected below 1 ug/l Minimum Reporting Level , sample collected May 5, 2008, sampling point SM1 Bromoform 2942 EPA method 524.2 Not recorded
7.76 ug/l , sample collected May 5, 2008, sampling point SM1 Bromodichloromethane 2943 EPA method 524.2 Not recorded
3.76 ug/l , sample collected May 5, 2008, sampling point SM1 Dibromochloromethane 2944 EPA method 524.2 Not recorded
36.52 ug/l , sample collected May 5, 2008, sampling point SM1 TTHM 2950 EPA method 524.2 Not recorded
Collected
Apr 7, 2008
Sampling point
TF080 Treatment Plant T080
Sample type
Routine
Lab sample
080408-016VO
Laboratory
MSDH Lab
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Apr 7, 2008, sampling point TF080 1,2,4-Trichlorobenzene 2378 EPA method 524.2 Jan 1, 2005 – Dec 31, 2010
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Apr 7, 2008, sampling point TF080 Cis-1,2-Dichloroethylene 2380 EPA method 524.2 Jan 1, 2005 – Dec 31, 2010
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Apr 7, 2008, sampling point TF080 Xylenes, Total 2955 EPA method 524.2 Jan 1, 2005 – Dec 31, 2010
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Apr 7, 2008, sampling point TF080 Dichloromethane 2964 EPA method 524.2 Jan 1, 2005 – Dec 31, 2010
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Apr 7, 2008, sampling point TF080 O-Dichlorobenzene 2968 EPA method 524.2 Jan 1, 2005 – Dec 31, 2010
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Apr 7, 2008, sampling point TF080 P-Dichlorobenzene 2969 EPA method 524.2 Jan 1, 2005 – Dec 31, 2010
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Apr 7, 2008, sampling point TF080 Vinyl Chloride 2976 EPA method 524.2 Jan 1, 2005 – Dec 31, 2010
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Apr 7, 2008, sampling point TF080 1,1-Dichloroethylene 2977 EPA method 524.2 Jan 1, 2005 – Dec 31, 2010
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Apr 7, 2008, sampling point TF080 Trans-1,2-Dichloroethylene 2979 EPA method 524.2 Jan 1, 2005 – Dec 31, 2010
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Apr 7, 2008, sampling point TF080 1,2-Dichloroethane 2980 EPA method 524.2 Jan 1, 2005 – Dec 31, 2010
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Apr 7, 2008, sampling point TF080 1,1,1-Trichloroethane 2981 EPA method 524.2 Jan 1, 2005 – Dec 31, 2010
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Apr 7, 2008, sampling point TF080 Carbon Tetrachloride 2982 EPA method 524.2 Jan 1, 2005 – Dec 31, 2010
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Apr 7, 2008, sampling point TF080 1,2-Dichloropropane 2983 EPA method 524.2 Jan 1, 2005 – Dec 31, 2010
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Apr 7, 2008, sampling point TF080 Trichloroethylene 2984 EPA method 524.2 Jan 1, 2005 – Dec 31, 2010
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Apr 7, 2008, sampling point TF080 1,1,2-Trichloroethane 2985 EPA method 524.2 Jan 1, 2005 – Dec 31, 2010
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Apr 7, 2008, sampling point TF080 Tetrachloroethylene 2987 EPA method 524.2 Jan 1, 2005 – Dec 31, 2010
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Apr 7, 2008, sampling point TF080 Chlorobenzene 2989 EPA method 524.2 Jan 1, 2005 – Dec 31, 2010
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Apr 7, 2008, sampling point TF080 Benzene 2990 EPA method 524.2 Jan 1, 2005 – Dec 31, 2010
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Apr 7, 2008, sampling point TF080 Toluene 2991 EPA method 524.2 Jan 1, 2005 – Dec 31, 2010
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Apr 7, 2008, sampling point TF080 Ethylbenzene 2992 EPA method 524.2 Jan 1, 2005 – Dec 31, 2010
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Apr 7, 2008, sampling point TF080 Styrene 2996 EPA method 524.2 Jan 1, 2005 – Dec 31, 2010
Collected
Mar 10, 2008
Sampling point
TF080 Treatment Plant T080
Sample type
Routine
Lab sample
080311-004IN
Laboratory
MSDH Lab
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Mar 10, 2008, sampling point TF080 Arsenic 1005 EPA method 200.8 Jan 1, 2008 – Dec 31, 2010
0.009466 mg/l , sample collected Mar 10, 2008, sampling point TF080 Barium 1010 EPA method 200.8 Jan 1, 2008 – Dec 31, 2010
Not detected below 0.0001 mg/l Minimum Reporting Level , sample collected Mar 10, 2008, sampling point TF080 Cadmium 1015 EPA method 200.8 Jan 1, 2008 – Dec 31, 2010
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Mar 10, 2008, sampling point TF080 Chromium 1020 EPA method 200.8 Jan 1, 2008 – Dec 31, 2010
0.921 mg/l , sample collected Mar 10, 2008, sampling point TF080 Fluoride 1025 EPA method 380-75WE Jan 1, 2008 – Dec 31, 2010
Not detected below 0.0002 mg/l Minimum Reporting Level , sample collected Mar 10, 2008, sampling point TF080 Mercury 1035 EPA method 200.8 Jan 1, 2008 – Dec 31, 2010
0.005801 mg/l , sample collected Mar 10, 2008, sampling point TF080 Nickel 1036 EPA method 200.8 Not recorded
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Mar 10, 2008, sampling point TF080 Selenium 1045 EPA method 200.8 Jan 1, 2008 – Dec 31, 2010
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Mar 10, 2008, sampling point TF080 Antimony, Total 1074 EPA method 200.8 Jan 1, 2008 – Dec 31, 2010
Not detected below 0.0001 mg/l Minimum Reporting Level , sample collected Mar 10, 2008, sampling point TF080 Beryllium, Total 1075 EPA method 200.8 Jan 1, 2008 – Dec 31, 2010
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Mar 10, 2008, sampling point TF080 Thallium, Total 1085 EPA method 200.8 Jan 1, 2008 – Dec 31, 2010
Collected
Mar 10, 2008
Sampling point
TF080 Treatment Plant T080
Sample type
Routine
Lab sample
080311-047CN
Laboratory
MSDH Lab
Not detected below 0.005 mg/l Minimum Reporting Level , sample collected Mar 10, 2008, sampling point TF080 Cyanide 1024 EPA method QC10204001X Jan 1, 2008 – Dec 31, 2010
Collected
Feb 4, 2008
Sampling point
SM6 Location withheld
Sample type
Routine
Lab sample
080205-012TH
Laboratory
MSDH Lab
10.9 ug/l , sample collected Feb 4, 2008, sampling point SM6 Chloroform 2941 EPA method 524.2 Not recorded
Not detected below 1 ug/l Minimum Reporting Level , sample collected Feb 4, 2008, sampling point SM6 Bromoform 2942 EPA method 524.2 Not recorded
5.63 ug/l , sample collected Feb 4, 2008, sampling point SM6 Bromodichloromethane 2943 EPA method 524.2 Not recorded
2.92 ug/l , sample collected Feb 4, 2008, sampling point SM6 Dibromochloromethane 2944 EPA method 524.2 Not recorded
19.45 ug/l , sample collected Feb 4, 2008, sampling point SM6 TTHM 2950 EPA method 524.2 Not recorded
Collected
Feb 4, 2008
Sampling point
SM5 Location withheld
Sample type
Routine
Lab sample
080205-011TH
Laboratory
MSDH Lab
19.5 ug/l , sample collected Feb 4, 2008, sampling point SM5 Chloroform 2941 EPA method 524.2 Not recorded
Not detected below 1 ug/l Minimum Reporting Level , sample collected Feb 4, 2008, sampling point SM5 Bromoform 2942 EPA method 524.2 Not recorded
8.27 ug/l , sample collected Feb 4, 2008, sampling point SM5 Bromodichloromethane 2943 EPA method 524.2 Not recorded
3.91 ug/l , sample collected Feb 4, 2008, sampling point SM5 Dibromochloromethane 2944 EPA method 524.2 Not recorded
31.68 ug/l , sample collected Feb 4, 2008, sampling point SM5 TTHM 2950 EPA method 524.2 Not recorded
Collected
Feb 4, 2008
Sampling point
SM4 Location withheld
Sample type
Routine
Lab sample
080205-010TH
Laboratory
MSDH Lab
9.81 ug/l , sample collected Feb 4, 2008, sampling point SM4 Chloroform 2941 EPA method 524.2 Not recorded
Not detected below 1 ug/l Minimum Reporting Level , sample collected Feb 4, 2008, sampling point SM4 Bromoform 2942 EPA method 524.2 Not recorded
5.46 ug/l , sample collected Feb 4, 2008, sampling point SM4 Bromodichloromethane 2943 EPA method 524.2 Not recorded
2.86 ug/l , sample collected Feb 4, 2008, sampling point SM4 Dibromochloromethane 2944 EPA method 524.2 Not recorded
18.13 ug/l , sample collected Feb 4, 2008, sampling point SM4 TTHM 2950 EPA method 524.2 Not recorded
Collected
Feb 4, 2008
Sampling point
SM3 Location withheld
Sample type
Routine
Lab sample
080205-009TH
Laboratory
MSDH Lab
19.3 ug/l , sample collected Feb 4, 2008, sampling point SM3 Chloroform 2941 EPA method 524.2 Not recorded
Not detected below 1 ug/l Minimum Reporting Level , sample collected Feb 4, 2008, sampling point SM3 Bromoform 2942 EPA method 524.2 Not recorded
8.36 ug/l , sample collected Feb 4, 2008, sampling point SM3 Bromodichloromethane 2943 EPA method 524.2 Not recorded
3.9 ug/l , sample collected Feb 4, 2008, sampling point SM3 Dibromochloromethane 2944 EPA method 524.2 Not recorded
31.56 ug/l , sample collected Feb 4, 2008, sampling point SM3 TTHM 2950 EPA method 524.2 Not recorded
Collected
Feb 4, 2008
Sampling point
SM2 Location withheld
Sample type
Routine
Lab sample
080205-008TH
Laboratory
MSDH Lab
8.02 ug/l , sample collected Feb 4, 2008, sampling point SM2 Chloroform 2941 EPA method 524.2 Not recorded
Not detected below 1 ug/l Minimum Reporting Level , sample collected Feb 4, 2008, sampling point SM2 Bromoform 2942 EPA method 524.2 Not recorded
4.56 ug/l , sample collected Feb 4, 2008, sampling point SM2 Bromodichloromethane 2943 EPA method 524.2 Not recorded
2.32 ug/l , sample collected Feb 4, 2008, sampling point SM2 Dibromochloromethane 2944 EPA method 524.2 Not recorded
14.9 ug/l , sample collected Feb 4, 2008, sampling point SM2 TTHM 2950 EPA method 524.2 Not recorded
Collected
Feb 4, 2008
Sampling point
SM1 Location withheld
Sample type
Routine
Lab sample
080205-007TH
Laboratory
MSDH Lab
22.9 ug/l , sample collected Feb 4, 2008, sampling point SM1 Chloroform 2941 EPA method 524.2 Not recorded
Not detected below 1 ug/l Minimum Reporting Level , sample collected Feb 4, 2008, sampling point SM1 Bromoform 2942 EPA method 524.2 Not recorded
7.29 ug/l , sample collected Feb 4, 2008, sampling point SM1 Bromodichloromethane 2943 EPA method 524.2 Not recorded
3.16 ug/l , sample collected Feb 4, 2008, sampling point SM1 Dibromochloromethane 2944 EPA method 524.2 Not recorded
33.35 ug/l , sample collected Feb 4, 2008, sampling point SM1 TTHM 2950 EPA method 524.2 Not recorded

Routine (10).