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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

MS0440018 , Columbus Air Force Base

10 of the 14 analytes this system has been tested for have been detected at least once, across 207 samples on record.

The other 4 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 207 samples on record, detections range from January 9, 2007 to October 28, 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 Columbus Air Force Base, 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 162 of 162 results Jan 9, 2007 Jul 30, 2024
Lead 1030 Inorganic Chemical 60 of 162 results Jan 9, 2007 Jul 30, 2024
TTHM 2950 Organic Chemical 23 of 23 results Jun 13, 2007 Oct 28, 2025
Total Haloacetic Acids (Haa5) 2456 Organic Chemical 20 of 22 results Jun 13, 2007 Oct 28, 2025
Chloroform 2941 Organic Chemical 19 of 19 results Jun 13, 2007 Oct 28, 2025
Dichloroacetic Acid 2451 Organic Chemical 16 of 18 results Aug 26, 2009 Oct 28, 2025
Bromodichloromethane 2943 Organic Chemical 15 of 19 results Jun 13, 2007 Oct 28, 2025
Dibromochloromethane 2944 Organic Chemical 13 of 19 results Jun 13, 2007 Oct 28, 2025
Monobromoacetic Acid 2453 Organic Chemical 3 of 18 results Sep 8, 2014 Sep 15, 2020
Bromoform 2942 Organic Chemical 1 of 19 results Oct 28, 2025 Oct 28, 2025

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.

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The most recent samples, result by result

The 1 sample collected between September 25, 2024 and September 25, 2026 is listed below, newest first.

11 results from the 1 sample listed here: 7 detected, 4 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 Columbus Air Force Base, every result from the 1 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
Oct 28, 2025 09:38
Sampling point
SM1 Location withheld
Sample type
Routine
Lab sample
810-169723-1
Laboratory
Eurofins Eaton Analytical South Bend in
Not detected below 2 ug/l Minimum Reporting Level , sample collected Oct 28, 2025 09:38, sampling point SM1 Monochloroacetic Acid 2450 EPA method 552.2 Not recorded
2.3 ug/l , sample collected Oct 28, 2025 09:38, sampling point SM1 Dichloroacetic Acid 2451 EPA method 552.2 Not recorded
Not detected below 1 ug/l Minimum Reporting Level , sample collected Oct 28, 2025 09:38, sampling point SM1 Trichloroacetic Acid 2452 EPA method 552.2 Not recorded
Not detected below 1 ug/l Minimum Reporting Level , sample collected Oct 28, 2025 09:38, sampling point SM1 Monobromoacetic Acid 2453 EPA method 552.2 Not recorded
Not detected below 1 ug/l Minimum Reporting Level , sample collected Oct 28, 2025 09:38, sampling point SM1 Dibromoacetic Acid 2454 EPA method 552.2 Not recorded
2.3 ug/l , sample collected Oct 28, 2025 09:38, sampling point SM1 Total Haloacetic Acids (Haa5) 2456 EPA method 552.2 Not recorded
7.3 ug/l , sample collected Oct 28, 2025 09:38, sampling point SM1 Chloroform 2941 EPA method 524.2 Not recorded
1.2 ug/l , sample collected Oct 28, 2025 09:38, sampling point SM1 Bromoform 2942 EPA method 524.2 Not recorded
4.7 ug/l , sample collected Oct 28, 2025 09:38, sampling point SM1 Bromodichloromethane 2943 EPA method 524.2 Not recorded
3.5 ug/l , sample collected Oct 28, 2025 09:38, sampling point SM1 Dibromochloromethane 2944 EPA method 524.2 Not recorded
16.7 ug/l , sample collected Oct 28, 2025 09:38, sampling point SM1 TTHM 2950 EPA method 524.2 Not recorded

Routine (1).