Chemical and radiological sample results

MS0410023 , Natchez Trace Parkway

38 of the 67 analytes this system has been tested for have been detected at least once, across 216 samples on record.

The other 29 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 216 samples on record, detections range from October 1, 2003 to March 10, 2025. These figures cover the whole record; the list of samples further down is narrowed.

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 Natchez Trace Parkway, 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	45 of 45 results	Aug 4, 2004	Aug 29, 2023
Barium 1010	Inorganic Chemical	22 of 22 results	Oct 1, 2003	Mar 10, 2025
Fluoride 1025	Inorganic Chemical	22 of 24 results	Oct 1, 2003	Mar 10, 2025
Nickel 1036	Inorganic Chemical	17 of 22 results	Oct 1, 2003	Mar 10, 2025
Lead 1030	Inorganic Chemical	16 of 45 results	Aug 4, 2004	Aug 29, 2023
Chromium 1020	Inorganic Chemical	15 of 22 results	Oct 1, 2003	Sep 26, 2022
Xylenes, Total 2955	Organic Chemical	14 of 58 results	Aug 9, 2004	Mar 3, 2025
Arsenic 1005	Inorganic Chemical	8 of 22 results	May 10, 2010	Mar 10, 2025
TTHM 2950	Organic Chemical	6 of 8 results	Sep 17, 2007	Feb 10, 2025
Sulfate 1055	Inorganic Chemical	6 of 6 results	Oct 1, 2003	Apr 14, 2017
Selenium 1045	Inorganic Chemical	6 of 22 results	Oct 1, 2003	Jul 9, 2012
Total Haloacetic Acids (Haa5) 2456	Organic Chemical	5 of 8 results	Sep 17, 2007	Dec 5, 2022
Dichloromethane 2964	Organic Chemical	4 of 58 results	Aug 9, 2004	Jun 21, 2022
Sodium 1052	Inorganic Chemical	4 of 4 results	Apr 14, 2017	Feb 14, 2022
Bromoform 2942	Organic Chemical	4 of 5 results	Sep 17, 2007	Sep 10, 2018
Ethylbenzene 2992	Organic Chemical	3 of 58 results	Aug 9, 2004	Oct 29, 2013
Dichloroacetic Acid 2451	Organic Chemical	2 of 4 results	Jul 24, 2013	Sep 10, 2018
Dibromoacetic Acid 2454	Organic Chemical	2 of 4 results	Jul 24, 2013	Sep 10, 2018
Bromodichloromethane 2943	Organic Chemical	2 of 5 results	Jul 24, 2013	Sep 10, 2018
Dibromochloromethane 2944	Organic Chemical	2 of 5 results	Jul 24, 2013	Sep 10, 2018
Calcium 1016	Inorganic Chemical	2 of 2 results	Apr 14, 2017	Apr 14, 2017
Chloride 1017	Inorganic Chemical	2 of 2 results	Apr 14, 2017	Apr 14, 2017
Iron 1028	Inorganic Chemical	2 of 2 results	Apr 14, 2017	Apr 14, 2017
Magnesium 1031	Inorganic Chemical	2 of 2 results	Apr 14, 2017	Apr 14, 2017
Manganese 1032	Inorganic Chemical	2 of 2 results	Apr 14, 2017	Apr 14, 2017
Potassium 1042	Inorganic Chemical	2 of 2 results	Apr 14, 2017	Apr 14, 2017
Residue, Total, Filterable 1057	Water Quality	2 of 2 results	Apr 14, 2017	Apr 14, 2017
Carbon Dioxide 1901	Water Quality	2 of 2 results	Apr 14, 2017	Apr 14, 2017
Color 1905	Water Quality	2 of 2 results	Apr 14, 2017	Apr 14, 2017
Hardness, Total (As Caco3) 1915	Water Quality	2 of 2 results	Apr 14, 2017	Apr 14, 2017
Alkalinity, Total 1927	Water Quality	2 of 2 results	Apr 14, 2017	Apr 14, 2017
Iron, Field Result FEFD	Inorganic Chemical	2 of 2 results	Apr 14, 2017	Apr 14, 2017
Calculated Sodium NACA	Water Quality	2 of 2 results	Apr 14, 2017	Apr 14, 2017
PH, Field Result PHFD	Water Quality	2 of 2 results	Apr 14, 2017	Apr 14, 2017
1,2-Dichloroethane 2980	Organic Chemical	2 of 58 results	Mar 7, 2016	Mar 14, 2017
Monobromoacetic Acid 2453	Organic Chemical	1 of 4 results	Sep 10, 2018	Sep 10, 2018
Carbon Tetrachloride 2982	Organic Chemical	1 of 58 results	Mar 14, 2017	Mar 14, 2017
Cadmium 1015	Inorganic Chemical	1 of 22 results	Feb 27, 2006	Feb 27, 2006

Showing samples collected between September 25, 2024 and September 25, 2026. That is this page’s default, not a limit on what the agency records.

Show every sample on record

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The most recent samples, result by result

The 8 samples collected between September 25, 2024 and September 25, 2026 are listed below, newest first.

50 results from the 8 samples listed here: 9 detected, 41 not detected. 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 1 sampling point 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 Natchez Trace Parkway, every result from the 8 samples on record, 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 Sep 2, 2025 08:45 Sampling point TF102 Treatment Plant T102 Sample type Routine Lab sample CN-250903-012 Laboratory MSDH Lab
Not detected below 0.015 mg/l Minimum Reporting Level , sample collected Sep 2, 2025 08:45, sampling point TF102	Cyanide 1024 EPA method QC10204001X	Jan 1, 2023 – Dec 31, 2025
Collected Sep 2, 2025 08:30 Sampling point TF101 Treatment Plant T101 Sample type Routine Lab sample CN-250903-011 Laboratory MSDH Lab
Not detected below 0.015 mg/l Minimum Reporting Level , sample collected Sep 2, 2025 08:30, sampling point TF101	Cyanide 1024 EPA method QC10204001X	Jan 1, 2023 – Dec 31, 2025
Collected Mar 10, 2025 10:45 Sampling point TF102 Treatment Plant T102 Sample type Routine Lab sample IN-250311-037 Laboratory MSDH Lab
0.0005 mg/l , sample collected Mar 10, 2025 10:45, sampling point TF102	Arsenic 1005 EPA method 200.8	Not recorded
0.138 mg/l , sample collected Mar 10, 2025 10:45, sampling point TF102	Barium 1010 EPA method 200.8	Not recorded
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Mar 10, 2025 10:45, sampling point TF102	Cadmium 1015 EPA method 200.8	Not recorded
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Mar 10, 2025 10:45, sampling point TF102	Chromium 1020 EPA method 200.8	Not recorded
0.12 mg/l , sample collected Mar 10, 2025 10:45, sampling point TF102	Fluoride 1025 EPA method QC 10-109-12-2-A	Not recorded
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Mar 10, 2025 10:45, sampling point TF102	Mercury 1035 EPA method 200.8	Not recorded
0.0011 mg/l , sample collected Mar 10, 2025 10:45, sampling point TF102	Nickel 1036 EPA method 200.8	Not recorded
Not detected below 0.0025 mg/l Minimum Reporting Level , sample collected Mar 10, 2025 10:45, sampling point TF102	Selenium 1045 EPA method 200.8	Not recorded
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Mar 10, 2025 10:45, sampling point TF102	Antimony, Total 1074 EPA method 200.8	Not recorded
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Mar 10, 2025 10:45, sampling point TF102	Beryllium, Total 1075 EPA method 200.8	Not recorded
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Mar 10, 2025 10:45, sampling point TF102	Thallium, Total 1085 EPA method 200.8	Not recorded
Collected Mar 10, 2025 10:30 Sampling point TF101 Treatment Plant T101 Sample type Routine Lab sample IN-250311-038 Laboratory MSDH Lab
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Mar 10, 2025 10:30, sampling point TF101	Arsenic 1005 EPA method 200.8	Jan 1, 2023 – Dec 31, 2025
0.139 mg/l , sample collected Mar 10, 2025 10:30, sampling point TF101	Barium 1010 EPA method 200.8	Jan 1, 2023 – Dec 31, 2025
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Mar 10, 2025 10:30, sampling point TF101	Cadmium 1015 EPA method 200.8	Jan 1, 2023 – Dec 31, 2025
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Mar 10, 2025 10:30, sampling point TF101	Chromium 1020 EPA method 200.8	Jan 1, 2023 – Dec 31, 2025
0.106 mg/l , sample collected Mar 10, 2025 10:30, sampling point TF101	Fluoride 1025 EPA method QC 10-109-12-2-A	Jan 1, 2023 – Dec 31, 2025
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Mar 10, 2025 10:30, sampling point TF101	Mercury 1035 EPA method 200.8	Jan 1, 2023 – Dec 31, 2025
0.0011 mg/l , sample collected Mar 10, 2025 10:30, sampling point TF101	Nickel 1036 EPA method 200.8	Not recorded
Not detected below 0.0025 mg/l Minimum Reporting Level , sample collected Mar 10, 2025 10:30, sampling point TF101	Selenium 1045 EPA method 200.8	Jan 1, 2023 – Dec 31, 2025
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Mar 10, 2025 10:30, sampling point TF101	Antimony, Total 1074 EPA method 200.8	Jan 1, 2023 – Dec 31, 2025
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Mar 10, 2025 10:30, sampling point TF101	Beryllium, Total 1075 EPA method 200.8	Jan 1, 2023 – Dec 31, 2025
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Mar 10, 2025 10:30, sampling point TF101	Thallium, Total 1085 EPA method 200.8	Jan 1, 2023 – Dec 31, 2025
Collected Mar 3, 2025 11:00 Sampling point TF102 Treatment Plant T102 Sample type Routine Lab sample VO-250304-011 Laboratory MSDH Lab
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Mar 3, 2025 11:00, sampling point TF102	1,2,4-Trichlorobenzene 2378 EPA method 524.2	Jan 1, 2025 – Dec 31, 2025
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Mar 3, 2025 11:00, sampling point TF102	Cis-1,2-Dichloroethylene 2380 EPA method 524.2	Jan 1, 2025 – Dec 31, 2025
1.817 ug/l , sample collected Mar 3, 2025 11:00, sampling point TF102	Xylenes, Total 2955 EPA method 524.2	Jan 1, 2025 – Dec 31, 2025
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Mar 3, 2025 11:00, sampling point TF102	Dichloromethane 2964 EPA method 524.2	Jan 1, 2025 – Dec 31, 2025
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Mar 3, 2025 11:00, sampling point TF102	O-Dichlorobenzene 2968 EPA method 524.2	Jan 1, 2025 – Dec 31, 2025
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Mar 3, 2025 11:00, sampling point TF102	P-Dichlorobenzene 2969 EPA method 524.2	Jan 1, 2025 – Dec 31, 2025
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Mar 3, 2025 11:00, sampling point TF102	Vinyl Chloride 2976 EPA method 524.2	Jan 1, 2025 – Dec 31, 2025
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Mar 3, 2025 11:00, sampling point TF102	1,1-Dichloroethylene 2977 EPA method 524.2	Jan 1, 2025 – Dec 31, 2025
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Mar 3, 2025 11:00, sampling point TF102	Trans-1,2-Dichloroethylene 2979 EPA method 524.2	Jan 1, 2025 – Dec 31, 2025
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Mar 3, 2025 11:00, sampling point TF102	1,2-Dichloroethane 2980 EPA method 524.2	Jan 1, 2025 – Dec 31, 2025
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Mar 3, 2025 11:00, sampling point TF102	1,1,1-Trichloroethane 2981 EPA method 524.2	Jan 1, 2025 – Dec 31, 2025
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Mar 3, 2025 11:00, sampling point TF102	Carbon Tetrachloride 2982 EPA method 524.2	Jan 1, 2025 – Dec 31, 2025
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Mar 3, 2025 11:00, sampling point TF102	1,2-Dichloropropane 2983 EPA method 524.2	Jan 1, 2025 – Dec 31, 2025
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Mar 3, 2025 11:00, sampling point TF102	Trichloroethylene 2984 EPA method 524.2	Jan 1, 2025 – Dec 31, 2025
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Mar 3, 2025 11:00, sampling point TF102	1,1,2-Trichloroethane 2985 EPA method 524.2	Jan 1, 2025 – Dec 31, 2025
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Mar 3, 2025 11:00, sampling point TF102	Tetrachloroethylene 2987 EPA method 524.2	Jan 1, 2025 – Dec 31, 2025
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Mar 3, 2025 11:00, sampling point TF102	Chlorobenzene 2989 EPA method 524.2	Jan 1, 2025 – Dec 31, 2025
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Mar 3, 2025 11:00, sampling point TF102	Benzene 2990 EPA method 524.2	Jan 1, 2025 – Dec 31, 2025
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Mar 3, 2025 11:00, sampling point TF102	Toluene 2991 EPA method 524.2	Jan 1, 2025 – Dec 31, 2025
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Mar 3, 2025 11:00, sampling point TF102	Ethylbenzene 2992 EPA method 524.2	Jan 1, 2025 – Dec 31, 2025
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Mar 3, 2025 11:00, sampling point TF102	Styrene 2996 EPA method 524.2	Jan 1, 2025 – Dec 31, 2025
Collected Mar 3, 2025 11:00 Sampling point TF101 Treatment Plant T101 Sample type Routine Lab sample NI-250304-045 Laboratory MSDH Lab
Not detected below 0.1 mg/l Minimum Reporting Level , sample collected Mar 3, 2025 11:00, sampling point TF101	Nitrate-Nitrite 1038 EPA method QC10107041C	Jan 1, 2025 – Dec 31, 2025
Not detected below 0.08 mg/l Minimum Reporting Level , sample collected Mar 3, 2025 11:00, sampling point TF101	Nitrate 1040 EPA method QC10107041C	Jan 1, 2025 – Dec 31, 2025
Not detected below 0.02 mg/l Minimum Reporting Level , sample collected Mar 3, 2025 11:00, sampling point TF101	Nitrite 1041 EPA method QC10107041C	Jan 1, 2025 – Dec 31, 2025
Collected Feb 10, 2025 09:30 Sampling point SMD Location withheld Sample type Routine Lab sample HA-250211-010 Laboratory MSDH Lab
Not detected below 1 ug/l Minimum Reporting Level , sample collected Feb 10, 2025 09:30, sampling point SMD	Total Haloacetic Acids (Haa5) 2456 EPA method 552.2	Jan 1, 2023 – Dec 31, 2025
Collected Feb 10, 2025 09:30 Sampling point SMD Location withheld Sample type Routine Lab sample TH-250211-010 Laboratory MSDH Lab
3.14 ug/l , sample collected Feb 10, 2025 09:30, sampling point SMD	TTHM 2950 EPA method 524.2	Jan 1, 2023 – Dec 31, 2025

Collected
Sep 2, 2025 08:45

Sampling point
TF102 Treatment Plant T102

Sample type
Routine

Lab sample
CN-250903-012

Laboratory
MSDH Lab

Monitoring period
Jan 1, 2023 – Dec 31, 2025
- Cyanide 1024 EPA method QC10204001X
  
  Result
  Not detected below 0.015 mg/l Minimum Reporting Level
Collected
Sep 2, 2025 08:30

Sampling point
TF101 Treatment Plant T101

Sample type
Routine

Lab sample
CN-250903-011

Laboratory
MSDH Lab

Monitoring period
Jan 1, 2023 – Dec 31, 2025
- Cyanide 1024 EPA method QC10204001X
  
  Result
  Not detected below 0.015 mg/l Minimum Reporting Level
Collected
Mar 10, 2025 10:45

Sampling point
TF102 Treatment Plant T102

Sample type
Routine

Lab sample
IN-250311-037

Laboratory
MSDH Lab

Monitoring period
Not recorded
- Arsenic 1005 EPA method 200.8
  
  Result
  0.0005 mg/l
- Barium 1010 EPA method 200.8
  
  Result
  0.138 mg/l
- Cadmium 1015 EPA method 200.8
  
  Result
  Not detected below 0.0005 mg/l Minimum Reporting Level
- Chromium 1020 EPA method 200.8
  
  Result
  Not detected below 0.0005 mg/l Minimum Reporting Level
- Fluoride 1025 EPA method QC 10-109-12-2-A
  
  Result
  0.12 mg/l
- Mercury 1035 EPA method 200.8
  
  Result
  Not detected below 0.0005 mg/l Minimum Reporting Level
- Nickel 1036 EPA method 200.8
  
  Result
  0.0011 mg/l
- Selenium 1045 EPA method 200.8
  
  Result
  Not detected below 0.0025 mg/l Minimum Reporting Level
- Antimony, Total 1074 EPA method 200.8
  
  Result
  Not detected below 0.0005 mg/l Minimum Reporting Level
- Beryllium, Total 1075 EPA method 200.8
  
  Result
  Not detected below 0.0005 mg/l Minimum Reporting Level
- Thallium, Total 1085 EPA method 200.8
  
  Result
  Not detected below 0.0005 mg/l Minimum Reporting Level
Collected
Mar 10, 2025 10:30

Sampling point
TF101 Treatment Plant T101

Sample type
Routine

Lab sample
IN-250311-038

Laboratory
MSDH Lab
- Arsenic 1005 EPA method 200.8
  
  Result
  Not detected below 0.0005 mg/l Minimum Reporting Level
  
  Monitoring period
  Jan 1, 2023 – Dec 31, 2025
- Barium 1010 EPA method 200.8
  
  Result
  0.139 mg/l
  
  Monitoring period
  Jan 1, 2023 – Dec 31, 2025
- Cadmium 1015 EPA method 200.8
  
  Result
  Not detected below 0.0005 mg/l Minimum Reporting Level
  
  Monitoring period
  Jan 1, 2023 – Dec 31, 2025
- Chromium 1020 EPA method 200.8
  
  Result
  Not detected below 0.0005 mg/l Minimum Reporting Level
  
  Monitoring period
  Jan 1, 2023 – Dec 31, 2025
- Fluoride 1025 EPA method QC 10-109-12-2-A
  
  Result
  0.106 mg/l
  
  Monitoring period
  Jan 1, 2023 – Dec 31, 2025
- Mercury 1035 EPA method 200.8
  
  Result
  Not detected below 0.0005 mg/l Minimum Reporting Level
  
  Monitoring period
  Jan 1, 2023 – Dec 31, 2025
- Nickel 1036 EPA method 200.8
  
  Result
  0.0011 mg/l
  
  Monitoring period
  Not recorded
- Selenium 1045 EPA method 200.8
  
  Result
  Not detected below 0.0025 mg/l Minimum Reporting Level
  
  Monitoring period
  Jan 1, 2023 – Dec 31, 2025
- Antimony, Total 1074 EPA method 200.8
  
  Result
  Not detected below 0.0005 mg/l Minimum Reporting Level
  
  Monitoring period
  Jan 1, 2023 – Dec 31, 2025
- Beryllium, Total 1075 EPA method 200.8
  
  Result
  Not detected below 0.0005 mg/l Minimum Reporting Level
  
  Monitoring period
  Jan 1, 2023 – Dec 31, 2025
- Thallium, Total 1085 EPA method 200.8
  
  Result
  Not detected below 0.0005 mg/l Minimum Reporting Level
  
  Monitoring period
  Jan 1, 2023 – Dec 31, 2025
Collected
Mar 3, 2025 11:00

Sampling point
TF102 Treatment Plant T102

Sample type
Routine

Lab sample
VO-250304-011

Laboratory
MSDH Lab

Monitoring period
Jan 1, 2025 – Dec 31, 2025
- 1,2,4-Trichlorobenzene 2378 EPA method 524.2
  
  Result
  Not detected below 0.5 ug/l Minimum Reporting Level
- Cis-1,2-Dichloroethylene 2380 EPA method 524.2
  
  Result
  Not detected below 0.5 ug/l Minimum Reporting Level
- Xylenes, Total 2955 EPA method 524.2
  
  Result
  1.817 ug/l
- Dichloromethane 2964 EPA method 524.2
  
  Result
  Not detected below 0.5 ug/l Minimum Reporting Level
- O-Dichlorobenzene 2968 EPA method 524.2
  
  Result
  Not detected below 0.5 ug/l Minimum Reporting Level
- P-Dichlorobenzene 2969 EPA method 524.2
  
  Result
  Not detected below 0.5 ug/l Minimum Reporting Level
- Vinyl Chloride 2976 EPA method 524.2
  
  Result
  Not detected below 0.5 ug/l Minimum Reporting Level
- 1,1-Dichloroethylene 2977 EPA method 524.2
  
  Result
  Not detected below 0.5 ug/l Minimum Reporting Level
- Trans-1,2-Dichloroethylene 2979 EPA method 524.2
  
  Result
  Not detected below 0.5 ug/l Minimum Reporting Level
- 1,2-Dichloroethane 2980 EPA method 524.2
  
  Result
  Not detected below 0.5 ug/l Minimum Reporting Level
- 1,1,1-Trichloroethane 2981 EPA method 524.2
  
  Result
  Not detected below 0.5 ug/l Minimum Reporting Level
- Carbon Tetrachloride 2982 EPA method 524.2
  
  Result
  Not detected below 0.5 ug/l Minimum Reporting Level
- 1,2-Dichloropropane 2983 EPA method 524.2
  
  Result
  Not detected below 0.5 ug/l Minimum Reporting Level
- Trichloroethylene 2984 EPA method 524.2
  
  Result
  Not detected below 0.5 ug/l Minimum Reporting Level
- 1,1,2-Trichloroethane 2985 EPA method 524.2
  
  Result
  Not detected below 0.5 ug/l Minimum Reporting Level
- Tetrachloroethylene 2987 EPA method 524.2
  
  Result
  Not detected below 0.5 ug/l Minimum Reporting Level
- Chlorobenzene 2989 EPA method 524.2
  
  Result
  Not detected below 0.5 ug/l Minimum Reporting Level
- Benzene 2990 EPA method 524.2
  
  Result
  Not detected below 0.5 ug/l Minimum Reporting Level
- Toluene 2991 EPA method 524.2
  
  Result
  Not detected below 0.5 ug/l Minimum Reporting Level
- Ethylbenzene 2992 EPA method 524.2
  
  Result
  Not detected below 0.5 ug/l Minimum Reporting Level
- Styrene 2996 EPA method 524.2
  
  Result
  Not detected below 0.5 ug/l Minimum Reporting Level
Collected
Mar 3, 2025 11:00

Sampling point
TF101 Treatment Plant T101

Sample type
Routine

Lab sample
NI-250304-045

Laboratory
MSDH Lab

Monitoring period
Jan 1, 2025 – Dec 31, 2025
- Nitrate-Nitrite 1038 EPA method QC10107041C
  
  Result
  Not detected below 0.1 mg/l Minimum Reporting Level
- Nitrate 1040 EPA method QC10107041C
  
  Result
  Not detected below 0.08 mg/l Minimum Reporting Level
- Nitrite 1041 EPA method QC10107041C
  
  Result
  Not detected below 0.02 mg/l Minimum Reporting Level
Collected
Feb 10, 2025 09:30

Sampling point
SMD Location withheld

Sample type
Routine

Lab sample
HA-250211-010

Laboratory
MSDH Lab

Monitoring period
Jan 1, 2023 – Dec 31, 2025
- Total Haloacetic Acids (Haa5) 2456 EPA method 552.2
  
  Result
  Not detected below 1 ug/l Minimum Reporting Level
Collected
Feb 10, 2025 09:30

Sampling point
SMD Location withheld

Sample type
Routine

Lab sample
TH-250211-010

Laboratory
MSDH Lab

Monitoring period
Jan 1, 2023 – Dec 31, 2025
- TTHM 2950 EPA method 524.2
  
  Result
  3.14 ug/l

Routine (8).