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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 271–280 of 805 samples, newest first — collected March 3, 2015 to June 1, 2015. The summary above covers all 805.

56 results from the 10 samples listed here: 40 detected, 16 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 4 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 271 to 280 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
Jun 1, 2015 03:00
Sampling point
SM5 Location withheld
Sample type
Routine
Lab sample
150602-008TH
Laboratory
MSDH Lab
46.6 ug/l , sample collected Jun 1, 2015 03:00, sampling point SM5 Chloroform 2941 EPA method 524.2 Not recorded
Not detected below 1 ug/l Minimum Reporting Level , sample collected Jun 1, 2015 03:00, sampling point SM5 Bromoform 2942 EPA method 524.2 Not recorded
11.8 ug/l , sample collected Jun 1, 2015 03:00, sampling point SM5 Bromodichloromethane 2943 EPA method 524.2 Not recorded
4.44 ug/l , sample collected Jun 1, 2015 03:00, sampling point SM5 Dibromochloromethane 2944 EPA method 524.2 Not recorded
62.8 ug/l , sample collected Jun 1, 2015 03:00, sampling point SM5 TTHM 2950 EPA method 524.2 Apr 1, 2015 – Jun 30, 2015
Collected
Jun 1, 2015 02:30
Sampling point
SM4 Location withheld
Sample type
Routine
Lab sample
150602-007TH
Laboratory
MSDH Lab
20.1 ug/l , sample collected Jun 1, 2015 02:30, sampling point SM4 Chloroform 2941 EPA method 524.2 Not recorded
Not detected below 1 ug/l Minimum Reporting Level , sample collected Jun 1, 2015 02:30, sampling point SM4 Bromoform 2942 EPA method 524.2 Not recorded
8.02 ug/l , sample collected Jun 1, 2015 02:30, sampling point SM4 Bromodichloromethane 2943 EPA method 524.2 Not recorded
3.55 ug/l , sample collected Jun 1, 2015 02:30, sampling point SM4 Dibromochloromethane 2944 EPA method 524.2 Not recorded
31.7 ug/l , sample collected Jun 1, 2015 02:30, sampling point SM4 TTHM 2950 EPA method 524.2 Apr 1, 2015 – Jun 30, 2015
Collected
Jun 1, 2015 02:00
Sampling point
SM3 Location withheld
Sample type
Routine
Lab sample
150602-006TH
Laboratory
MSDH Lab
37.4 ug/l , sample collected Jun 1, 2015 02:00, sampling point SM3 Chloroform 2941 EPA method 524.2 Not recorded
Not detected below 1 ug/l Minimum Reporting Level , sample collected Jun 1, 2015 02:00, sampling point SM3 Bromoform 2942 EPA method 524.2 Not recorded
10.6 ug/l , sample collected Jun 1, 2015 02:00, sampling point SM3 Bromodichloromethane 2943 EPA method 524.2 Not recorded
3.79 ug/l , sample collected Jun 1, 2015 02:00, sampling point SM3 Dibromochloromethane 2944 EPA method 524.2 Not recorded
51.8 ug/l , sample collected Jun 1, 2015 02:00, sampling point SM3 TTHM 2950 EPA method 524.2 Apr 1, 2015 – Jun 30, 2015
Collected
Jun 1, 2015 01:00
Sampling point
SM1 Location withheld
Sample type
Routine
Lab sample
150602-005TH
Laboratory
MSDH Lab
38.5 ug/l , sample collected Jun 1, 2015 01:00, sampling point SM1 Chloroform 2941 EPA method 524.2 Not recorded
Not detected below 1 ug/l Minimum Reporting Level , sample collected Jun 1, 2015 01:00, sampling point SM1 Bromoform 2942 EPA method 524.2 Not recorded
10.1 ug/l , sample collected Jun 1, 2015 01:00, sampling point SM1 Bromodichloromethane 2943 EPA method 524.2 Not recorded
3.7 ug/l , sample collected Jun 1, 2015 01:00, sampling point SM1 Dibromochloromethane 2944 EPA method 524.2 Not recorded
52.3 ug/l , sample collected Jun 1, 2015 01:00, sampling point SM1 TTHM 2950 EPA method 524.2 Apr 1, 2015 – Jun 30, 2015
Collected
Jun 1, 2015 02:00
Sampling point
SM3 Location withheld
Sample type
Routine
Lab sample
150602-008HA
Laboratory
MSDH Lab
0.004 mg/l , sample collected Jun 1, 2015 02:00, sampling point SM3 Monochloroacetic Acid 2450 EPA method 552.2 Not recorded
0.012 mg/l , sample collected Jun 1, 2015 02:00, sampling point SM3 Dichloroacetic Acid 2451 EPA method 552.2 Not recorded
0.009 mg/l , sample collected Jun 1, 2015 02:00, sampling point SM3 Trichloroacetic Acid 2452 EPA method 552.2 Not recorded
Not detected below 0.001 mg/l Minimum Reporting Level , sample collected Jun 1, 2015 02:00, sampling point SM3 Monobromoacetic Acid 2453 EPA method 552.2 Not recorded
0.001 mg/l , sample collected Jun 1, 2015 02:00, sampling point SM3 Dibromoacetic Acid 2454 EPA method 552.2 Not recorded
0.026 mg/l , sample collected Jun 1, 2015 02:00, sampling point SM3 Total Haloacetic Acids (Haa5) 2456 Apr 1, 2015 – Jun 30, 2015
Collected
Jun 1, 2015 01:00
Sampling point
SM1 Location withheld
Sample type
Routine
Lab sample
150602-007HA
Laboratory
MSDH Lab
0.003 mg/l , sample collected Jun 1, 2015 01:00, sampling point SM1 Monochloroacetic Acid 2450 EPA method 552.2 Not recorded
0.01 mg/l , sample collected Jun 1, 2015 01:00, sampling point SM1 Dichloroacetic Acid 2451 EPA method 552.2 Not recorded
0.007 mg/l , sample collected Jun 1, 2015 01:00, sampling point SM1 Trichloroacetic Acid 2452 EPA method 552.2 Not recorded
Not detected below 0.001 mg/l Minimum Reporting Level , sample collected Jun 1, 2015 01:00, sampling point SM1 Monobromoacetic Acid 2453 EPA method 552.2 Not recorded
0.001 mg/l , sample collected Jun 1, 2015 01:00, sampling point SM1 Dibromoacetic Acid 2454 EPA method 552.2 Not recorded
0.02 mg/l , sample collected Jun 1, 2015 01:00, sampling point SM1 Total Haloacetic Acids (Haa5) 2456 Apr 1, 2015 – Jun 30, 2015
Collected
Jun 1, 2015 03:00
Sampling point
SM5 Location withheld
Sample type
Routine
Lab sample
150602-006HA
Laboratory
MSDH Lab
Not detected below 0.002 mg/l Minimum Reporting Level , sample collected Jun 1, 2015 03:00, sampling point SM5 Monochloroacetic Acid 2450 EPA method 552.2 Not recorded
0.004 mg/l , sample collected Jun 1, 2015 03:00, sampling point SM5 Dichloroacetic Acid 2451 EPA method 552.2 Not recorded
0.01 mg/l , sample collected Jun 1, 2015 03:00, sampling point SM5 Trichloroacetic Acid 2452 EPA method 552.2 Not recorded
Not detected below 0.001 mg/l Minimum Reporting Level , sample collected Jun 1, 2015 03:00, sampling point SM5 Monobromoacetic Acid 2453 EPA method 552.2 Not recorded
Not detected below 0.001 mg/l Minimum Reporting Level , sample collected Jun 1, 2015 03:00, sampling point SM5 Dibromoacetic Acid 2454 EPA method 552.2 Not recorded
0.01 mg/l , sample collected Jun 1, 2015 03:00, sampling point SM5 Total Haloacetic Acids (Haa5) 2456 Apr 1, 2015 – Jun 30, 2015
Collected
Jun 1, 2015 02:30
Sampling point
SM4 Location withheld
Sample type
Routine
Lab sample
150602-005HA
Laboratory
MSDH Lab
Not detected below 0.002 mg/l Minimum Reporting Level , sample collected Jun 1, 2015 02:30, sampling point SM4 Monochloroacetic Acid 2450 EPA method 552.2 Not recorded
0.007 mg/l , sample collected Jun 1, 2015 02:30, sampling point SM4 Dichloroacetic Acid 2451 EPA method 552.2 Not recorded
0.008 mg/l , sample collected Jun 1, 2015 02:30, sampling point SM4 Trichloroacetic Acid 2452 EPA method 552.2 Not recorded
Not detected below 0.001 mg/l Minimum Reporting Level , sample collected Jun 1, 2015 02:30, sampling point SM4 Monobromoacetic Acid 2453 EPA method 552.2 Not recorded
Not detected below 0.001 mg/l Minimum Reporting Level , sample collected Jun 1, 2015 02:30, sampling point SM4 Dibromoacetic Acid 2454 EPA method 552.2 Not recorded
0.015 mg/l , sample collected Jun 1, 2015 02:30, sampling point SM4 Total Haloacetic Acids (Haa5) 2456 Apr 1, 2015 – Jun 30, 2015
Collected
Mar 3, 2015 02:30
Sampling point
SM5 Location withheld
Sample type
Routine
Lab sample
150304-004HA
Laboratory
MSDH Lab
Not detected below 0.002 mg/l Minimum Reporting Level , sample collected Mar 3, 2015 02:30, sampling point SM5 Monochloroacetic Acid 2450 EPA method 552.2 Not recorded
0.012 mg/l , sample collected Mar 3, 2015 02:30, sampling point SM5 Dichloroacetic Acid 2451 EPA method 552.2 Not recorded
0.01 mg/l , sample collected Mar 3, 2015 02:30, sampling point SM5 Trichloroacetic Acid 2452 EPA method 552.2 Not recorded
Not detected below 0.001 mg/l Minimum Reporting Level , sample collected Mar 3, 2015 02:30, sampling point SM5 Monobromoacetic Acid 2453 EPA method 552.2 Not recorded
0.001 mg/l , sample collected Mar 3, 2015 02:30, sampling point SM5 Dibromoacetic Acid 2454 EPA method 552.2 Not recorded
0.02 mg/l , sample collected Mar 3, 2015 02:30, sampling point SM5 Total Haloacetic Acids (Haa5) 2456 Jan 1, 2015 – Mar 31, 2015
Collected
Mar 3, 2015 03:15
Sampling point
SM1 Location withheld
Sample type
Routine
Lab sample
150304-003HA
Laboratory
MSDH Lab
Not detected below 0.002 mg/l Minimum Reporting Level , sample collected Mar 3, 2015 03:15, sampling point SM1 Monochloroacetic Acid 2450 EPA method 552.2 Not recorded
0.008 mg/l , sample collected Mar 3, 2015 03:15, sampling point SM1 Dichloroacetic Acid 2451 EPA method 552.2 Not recorded
0.008 mg/l , sample collected Mar 3, 2015 03:15, sampling point SM1 Trichloroacetic Acid 2452 EPA method 552.2 Not recorded
Not detected below 0.001 mg/l Minimum Reporting Level , sample collected Mar 3, 2015 03:15, sampling point SM1 Monobromoacetic Acid 2453 EPA method 552.2 Not recorded
0.001 mg/l , sample collected Mar 3, 2015 03:15, sampling point SM1 Dibromoacetic Acid 2454 EPA method 552.2 Not recorded
0.017 mg/l , sample collected Mar 3, 2015 03:15, sampling point SM1 Total Haloacetic Acids (Haa5) 2456 Jan 1, 2015 – Mar 31, 2015

Routine (10).