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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

MS0190008 , FCWA - Oldenburg

32 of the 71 analytes this system has been tested for have been detected at least once, across 261 samples on record.

The other 39 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 261 samples on record, detections range from September 15, 1993 to June 9, 2026. 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 FCWA - Oldenburg, 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 120 of 142 results Sep 15, 1993 Jun 4, 2025
Lead 1030 Inorganic Chemical 90 of 142 results Sep 15, 1993 Jun 4, 2025
TTHM 2950 Organic Chemical 29 of 29 results May 26, 2004 Jun 9, 2026
Total Haloacetic Acids (Haa5) 2456 Organic Chemical 27 of 27 results May 26, 2004 Oct 3, 2025
Chloroform 2941 Organic Chemical 22 of 22 results Sep 11, 2006 Jun 9, 2026
Bromodichloromethane 2943 Organic Chemical 21 of 22 results Sep 11, 2006 Jun 9, 2026
Dichloroacetic Acid 2451 Organic Chemical 19 of 19 results Jun 30, 2008 Oct 3, 2025
Trichloroacetic Acid 2452 Organic Chemical 19 of 19 results Jun 30, 2008 Oct 3, 2025
Fluoride 1025 Inorganic Chemical 13 of 13 results May 21, 2002 Feb 4, 2025
Barium 1010 Inorganic Chemical 12 of 12 results May 21, 2002 Feb 4, 2025
Dibromochloromethane 2944 Organic Chemical 9 of 22 results Sep 11, 2006 Jun 9, 2026
Chromium 1020 Inorganic Chemical 6 of 12 results May 21, 2002 Feb 4, 2025
Sodium 1052 Inorganic Chemical 4 of 4 results Mar 21, 2017 Jan 29, 2024
Monochloroacetic Acid 2450 Organic Chemical 4 of 19 results May 11, 2009 Dec 17, 2019
Sulfate 1055 Inorganic Chemical 3 of 3 results May 21, 2002 Mar 21, 2017
Nickel 1036 Inorganic Chemical 3 of 12 results Jan 30, 2006 Apr 14, 2014
Dibromoacetic Acid 2454 Organic Chemical 2 of 19 results Aug 17, 2009 Aug 17, 2009
Monobromoacetic Acid 2453 Organic Chemical 1 of 19 results Dec 15, 2020 Dec 15, 2020
Calcium 1016 Inorganic Chemical 1 of 1 result Mar 21, 2017 Mar 21, 2017
Chloride 1017 Inorganic Chemical 1 of 1 result Mar 21, 2017 Mar 21, 2017
Iron 1028 Inorganic Chemical 1 of 1 result Mar 21, 2017 Mar 21, 2017
Magnesium 1031 Inorganic Chemical 1 of 1 result Mar 21, 2017 Mar 21, 2017
Manganese 1032 Inorganic Chemical 1 of 1 result Mar 21, 2017 Mar 21, 2017
Potassium 1042 Inorganic Chemical 1 of 1 result Mar 21, 2017 Mar 21, 2017
Residue, Total, Filterable 1057 Water Quality 1 of 1 result Mar 21, 2017 Mar 21, 2017
Alkalinity, Caco3 Stability 1067 Water Quality 1 of 1 result Mar 21, 2017 Mar 21, 2017
Color 1905 Water Quality 1 of 1 result Mar 21, 2017 Mar 21, 2017
Hardness, Total (As Caco3) 1915 Water Quality 1 of 1 result Mar 21, 2017 Mar 21, 2017
Alkalinity, Total 1927 Water Quality 1 of 1 result Mar 21, 2017 Mar 21, 2017
Calculated Sodium NACA Water Quality 1 of 1 result Mar 21, 2017 Mar 21, 2017
PH, Field Result PHFD Water Quality 1 of 1 result Mar 21, 2017 Mar 21, 2017
Selenium 1045 Inorganic Chemical 1 of 12 results Feb 28, 2005 Feb 28, 2005

Showing samples collected between September 26, 2024 and September 26, 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 table below lists 11–20 of 21 samples, newest first — collected November 25, 2024 to June 4, 2025. The summary above covers all 21.

37 results from the 10 samples listed here: 20 detected, 17 not detected. Across the whole record it is 418 of 969. 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 FCWA - Oldenburg, every result from 11 to 20 of 21 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 4, 2025 05:30
Sampling point
LC014 Location withheld
Sample type
Routine
Lab sample
PB-250605-035
Laboratory
MSDH Lab
0.136 mg/l , sample collected Jun 4, 2025 05:30, sampling point LC014 Copper, Free 1022 EPA method 200.8 Jan 1, 2023 – Dec 31, 2025
8.4 ug/l , sample collected Jun 4, 2025 05:30, sampling point LC014 Lead 1030 EPA method 200.8 Jan 1, 2023 – Dec 31, 2025
Collected
Jun 4, 2025 08:07
Sampling point
LC012 Location withheld
Sample type
Routine
Lab sample
PB-250605-034
Laboratory
MSDH Lab
0.0528 mg/l , sample collected Jun 4, 2025 08:07, sampling point LC012 Copper, Free 1022 EPA method 200.8 Jan 1, 2023 – Dec 31, 2025
1.7 ug/l , sample collected Jun 4, 2025 08:07, sampling point LC012 Lead 1030 EPA method 200.8 Jan 1, 2023 – Dec 31, 2025
Collected
Jun 4, 2025 06:54
Sampling point
LC016 Location withheld
Sample type
Routine
Lab sample
PB-250605-033
Laboratory
MSDH Lab
0.0486 mg/l , sample collected Jun 4, 2025 06:54, sampling point LC016 Copper, Free 1022 EPA method 200.8 Jan 1, 2023 – Dec 31, 2025
0.5 ug/l , sample collected Jun 4, 2025 06:54, sampling point LC016 Lead 1030 EPA method 200.8 Jan 1, 2023 – Dec 31, 2025
Collected
Jun 4, 2025 05:36
Sampling point
LC010 Location withheld
Sample type
Routine
Lab sample
PB-250605-032
Laboratory
MSDH Lab
0.109 mg/l , sample collected Jun 4, 2025 05:36, sampling point LC010 Copper, Free 1022 EPA method 200.8 Jan 1, 2023 – Dec 31, 2025
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jun 4, 2025 05:36, sampling point LC010 Lead 1030 EPA method 200.8 Jan 1, 2023 – Dec 31, 2025
Collected
Jun 4, 2025 07:10
Sampling point
LC006 Location withheld
Sample type
Routine
Lab sample
PB-250605-031
Laboratory
MSDH Lab
0.0082 mg/l , sample collected Jun 4, 2025 07:10, sampling point LC006 Copper, Free 1022 EPA method 200.8 Jan 1, 2023 – Dec 31, 2025
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jun 4, 2025 07:10, sampling point LC006 Lead 1030 EPA method 200.8 Jan 1, 2023 – Dec 31, 2025
Collected
Mar 18, 2025 13:25
Sampling point
SM1 Location withheld
Sample type
Routine
Lab sample
HA-250319-002
Laboratory
MSDH Lab
41.7 ug/l , sample collected Mar 18, 2025 13:25, sampling point SM1 Total Haloacetic Acids (Haa5) 2456 EPA method 552.2 Not recorded
Collected
Mar 18, 2025 13:25
Sampling point
SM1 Location withheld
Sample type
Routine
Lab sample
TH-250319-002
Laboratory
MSDH Lab
28 ug/l , sample collected Mar 18, 2025 13:25, sampling point SM1 TTHM 2950 EPA method 524.2 Not recorded
Collected
Feb 4, 2025 12:38
Sampling point
TF101 Treatment Plant T101
Sample type
Routine
Lab sample
IN-250205-040
Laboratory
MSDH Lab
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Feb 4, 2025 12:38, sampling point TF101 Arsenic 1005 EPA method 200.8 Jan 1, 2023 – Dec 31, 2025
0.0019 mg/l , sample collected Feb 4, 2025 12:38, 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 Feb 4, 2025 12:38, sampling point TF101 Cadmium 1015 EPA method 200.8 Jan 1, 2023 – Dec 31, 2025
0.0015 mg/l , sample collected Feb 4, 2025 12:38, sampling point TF101 Chromium 1020 EPA method 200.8 Jan 1, 2023 – Dec 31, 2025
0.327 mg/l , sample collected Feb 4, 2025 12:38, 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 Feb 4, 2025 12:38, sampling point TF101 Mercury 1035 EPA method 200.8 Jan 1, 2023 – Dec 31, 2025
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Feb 4, 2025 12:38, sampling point TF101 Nickel 1036 EPA method 200.8 Not recorded
Not detected below 0.0025 mg/l Minimum Reporting Level , sample collected Feb 4, 2025 12:38, 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 Feb 4, 2025 12:38, 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 Feb 4, 2025 12:38, 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 Feb 4, 2025 12:38, sampling point TF101 Thallium, Total 1085 EPA method 200.8 Jan 1, 2023 – Dec 31, 2025
Collected
Feb 4, 2025 12:38
Sampling point
TF101 Treatment Plant T101
Sample type
Routine
Lab sample
NI-250205-039
Laboratory
MSDH Lab
Not detected below 0.1 mg/l Minimum Reporting Level , sample collected Feb 4, 2025 12:38, 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 Feb 4, 2025 12:38, 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 Feb 4, 2025 12:38, sampling point TF101 Nitrite 1041 EPA method QC10107041C Jan 1, 2025 – Dec 31, 2025
Collected
Nov 25, 2024 12:42
Sampling point
SM1 Location withheld
Sample type
Routine
Lab sample
810-129716-2
Laboratory
Eurofins Eaton Analytical South Bend in
Not detected below 2 ug/l Minimum Reporting Level , sample collected Nov 25, 2024 12:42, sampling point SM1 Monochloroacetic Acid 2450 EPA method 552.2 Not recorded
8.1 ug/l , sample collected Nov 25, 2024 12:42, sampling point SM1 Dichloroacetic Acid 2451 EPA method 552.2 Not recorded
13 ug/l , sample collected Nov 25, 2024 12:42, sampling point SM1 Trichloroacetic Acid 2452 EPA method 552.2 Not recorded
Not detected below 1 ug/l Minimum Reporting Level , sample collected Nov 25, 2024 12:42, sampling point SM1 Monobromoacetic Acid 2453 EPA method 552.2 Not recorded
Not detected below 1 ug/l Minimum Reporting Level , sample collected Nov 25, 2024 12:42, sampling point SM1 Dibromoacetic Acid 2454 EPA method 552.2 Not recorded
21.1 ug/l , sample collected Nov 25, 2024 12:42, sampling point SM1 Total Haloacetic Acids (Haa5) 2456 EPA method 552.2 Oct 1, 2024 – Dec 31, 2024
20 ug/l , sample collected Nov 25, 2024 12:42, sampling point SM1 Chloroform 2941 EPA method 524.2 Not recorded
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Nov 25, 2024 12:42, sampling point SM1 Bromoform 2942 EPA method 524.2 Not recorded
4.6 ug/l , sample collected Nov 25, 2024 12:42, sampling point SM1 Bromodichloromethane 2943 EPA method 524.2 Not recorded
0.75 ug/l , sample collected Nov 25, 2024 12:42, sampling point SM1 Dibromochloromethane 2944 EPA method 524.2 Not recorded
25.35 ug/l , sample collected Nov 25, 2024 12:42, sampling point SM1 TTHM 2950 EPA method 524.2 Oct 1, 2024 – Dec 31, 2024

Routine (10).