Chemical and radiological sample results

MS0170025 ·, City of Horn Lake - Twin Lakes

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.

Scroll the table sideways for the dates.

The most recent samples, result by result

The table below lists 1–10 of 26 samples, newest first — collected August 26, 2025 to July 7, 2026. The summary above covers all 26.

50 results from the 10 samples listed here: 27 detected, 23 not detected. Across the whole record it is 359 of 823. 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 The location on record identifies a private home, and we do not publish those.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.

• Collected

  Jul 7, 2026

  Sampling point

  TF080 Treatment Plant TF080

  Sample type

  Routine

  Lab sample

  35051141001

  Laboratory

  Pace Analytical Services, LLC

  Monitoring period

  Jan 1, 2026 – Dec 31, 2031

  • Cyanide 1024 EPA method 335.4

    Result

    Not detected below 0.01 mg/l Minimum Reporting Level

• Collected

  Jun 30, 2026 09:50

  Sampling point

  SM1 Location withheld

  Sample type

  Routine

  Lab sample

  810-198045-1

  Laboratory

  Eurofins Eaton Analytical South Bend in

  • Monochloroacetic Acid 2450 EPA method 552.2

    Result

    Not detected below 2 ug/l Minimum Reporting Level

    Monitoring period

    Not recorded

  • Dichloroacetic Acid 2451 EPA method 552.2

    Result

    Not detected below 1 ug/l Minimum Reporting Level

    Monitoring period

    Not recorded

  • Trichloroacetic Acid 2452 EPA method 552.2

    Result

    Not detected below 1 ug/l Minimum Reporting Level

    Monitoring period

    Not recorded

  • Monobromoacetic Acid 2453 EPA method 552.2

    Result

    Not detected below 1 ug/l Minimum Reporting Level

    Monitoring period

    Not recorded

  • Dibromoacetic Acid 2454 EPA method 552.2

    Result

    Not detected below 1 ug/l Minimum Reporting Level

    Monitoring period

    Not recorded

  • Total Haloacetic Acids (Haa5) 2456 EPA method 552.2

    Result

    Not detected below 2 ug/l Minimum Reporting Level

    Monitoring period

    Jan 1, 2026 – Dec 31, 2026

• Collected

  Sep 29, 2025 09:40

  Sampling point

  SM1 Location withheld

  Sample type

  Routine

  Lab sample

  810-165865-3

  Laboratory

  Eurofins Eaton Analytical South Bend in

  Monitoring period

  Not recorded

  • Monochloroacetic Acid 2450 EPA method 552.2

    Result

    Not detected below 2 ug/l Minimum Reporting Level

  • Dichloroacetic Acid 2451 EPA method 552.2

    Result

    Not detected below 1 ug/l Minimum Reporting Level

  • Trichloroacetic Acid 2452 EPA method 552.2

    Result

    Not detected below 1 ug/l Minimum Reporting Level

  • Monobromoacetic Acid 2453 EPA method 552.2

    Result

    Not detected below 1 ug/l Minimum Reporting Level

  • Dibromoacetic Acid 2454 EPA method 552.2

    Result

    Not detected below 1 ug/l Minimum Reporting Level

  • Total Haloacetic Acids (Haa5) 2456 EPA method 552.2

    Result

    Not detected below 2 ug/l Minimum Reporting Level

  • Chloroform 2941 EPA method 524.2

    Result

    1.1 ug/l

  • Bromoform 2942 EPA method 524.2

    Result

    1.8 ug/l

  • Bromodichloromethane 2943 EPA method 524.2

    Result

    2.4 ug/l

  • Dibromochloromethane 2944 EPA method 524.2

    Result

    3.4 ug/l

  • TTHM 2950 EPA method 524.2

    Result

    8.7 ug/l

• Collected

  Sep 29, 2025 10:00

  Sampling point

  SM1 Location withheld

  Sample type

  Routine

  Lab sample

  810-165865-2

  Laboratory

  Eurofins Eaton Analytical South Bend in

  Monitoring period

  Not recorded

  • Monochloroacetic Acid 2450 EPA method 552.2

    Result

    Not detected below 2 ug/l Minimum Reporting Level

  • Dichloroacetic Acid 2451 EPA method 552.2

    Result

    1.4 ug/l

  • Trichloroacetic Acid 2452 EPA method 552.2

    Result

    Not detected below 1 ug/l Minimum Reporting Level

  • Monobromoacetic Acid 2453 EPA method 552.2

    Result

    Not detected below 1 ug/l Minimum Reporting Level

  • Dibromoacetic Acid 2454 EPA method 552.2

    Result

    1.3 ug/l

  • Total Haloacetic Acids (Haa5) 2456 EPA method 552.2

    Result

    2.7 ug/l

  • Chloroform 2941 EPA method 524.2

    Result

    1.1 ug/l

  • Bromoform 2942 EPA method 524.2

    Result

    1.3 ug/l

  • Bromodichloromethane 2943 EPA method 524.2

    Result

    2.3 ug/l

  • Dibromochloromethane 2944 EPA method 524.2

    Result

    3.4 ug/l

  • TTHM 2950 EPA method 524.2

    Result

    8.1 ug/l

• Collected

  Sep 29, 2025 09:30

  Sampling point

  SM2 Location withheld

  Sample type

  Routine

  Lab sample

  810-165865-1

  Laboratory

  Eurofins Eaton Analytical South Bend in

  Monitoring period

  Not recorded

  • Monochloroacetic Acid 2450 EPA method 552.2

    Result

    Not detected below 2 ug/l Minimum Reporting Level

  • Dichloroacetic Acid 2451 EPA method 552.2

    Result

    1.2 ug/l

  • Trichloroacetic Acid 2452 EPA method 552.2

    Result

    Not detected below 1 ug/l Minimum Reporting Level

  • Monobromoacetic Acid 2453 EPA method 552.2

    Result

    Not detected below 1 ug/l Minimum Reporting Level

  • Dibromoacetic Acid 2454 EPA method 552.2

    Result

    1.2 ug/l

  • Total Haloacetic Acids (Haa5) 2456 EPA method 552.2

    Result

    2.4 ug/l

  • Chloroform 2941 EPA method 524.2

    Result

    1.1 ug/l

  • Bromoform 2942 EPA method 524.2

    Result

    1.8 ug/l

  • Bromodichloromethane 2943 EPA method 524.2

    Result

    2.4 ug/l

  • Dibromochloromethane 2944 EPA method 524.2

    Result

    3.5 ug/l

  • TTHM 2950 EPA method 524.2

    Result

    8.8 ug/l

• Collected

  Sep 12, 2025 06:30

  Sampling point

  LC0037 Location withheld

  Sample type

  Routine

  Lab sample

  PB-250915-001

  Laboratory

  MSDH Lab

  Monitoring period

  Jan 1, 2023 – Dec 31, 2025

  • Copper, Free 1022 EPA method 200.8

    Result

    0.0028 mg/l

  • Lead 1030 EPA method 200.8

    Result

    Not detected below 0.5 ug/l Minimum Reporting Level

• Collected

  Aug 28, 2025 08:00

  Sampling point

  TC0011

  Sample type

  Routine

  Lab sample

  PB-250903-009

  Laboratory

  MSDH Lab

  Monitoring period

  Jan 1, 2023 – Dec 31, 2025

  • Copper, Free 1022 EPA method 200.8

    Result

    0.0115 mg/l

  • Lead 1030 EPA method 200.8

    Result

    Not detected below 0.5 ug/l Minimum Reporting Level

• Collected

  Aug 27, 2025 04:00

  Sampling point

  LC0031 Location withheld

  Sample type

  Routine

  Lab sample

  PB-250903-002

  Laboratory

  MSDH Lab

  Monitoring period

  Jan 1, 2023 – Dec 31, 2025

  • Copper, Free 1022 EPA method 200.8

    Result

    0.0076 mg/l

  • Lead 1030 EPA method 200.8

    Result

    Not detected below 0.5 ug/l Minimum Reporting Level

• Collected

  Aug 26, 2025 09:00

  Sampling point

  LC0014 Location withheld

  Sample type

  Routine

  Lab sample

  PB-250903-008

  Laboratory

  MSDH Lab

  Monitoring period

  Jan 1, 2023 – Dec 31, 2025

  • Copper, Free 1022 EPA method 200.8

    Result

    0.0238 mg/l

  • Lead 1030 EPA method 200.8

    Result

    7.8 ug/l

• Collected

  Aug 26, 2025 07:40

  Sampling point

  LC0033 Location withheld

  Sample type

  Routine

  Lab sample

  PB-250903-007

  Laboratory

  MSDH Lab

  Monitoring period

  Jan 1, 2023 – Dec 31, 2025

  • Copper, Free 1022 EPA method 200.8

    Result

    0.0177 mg/l

  • Lead 1030 EPA method 200.8

    Result

    Not detected below 0.5 ug/l Minimum Reporting Level

Routine (10).