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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.

Coliform and microbial samples

MS0530017 , Rock Hill Water Association

2 of 670 results on record were positive for coliform or another organism the agency tests for. The most recent was September 12, 2011.

They fall across 2 of the 497 samples on record.

Every sample on record, October 7, 2003 to July 27, 2026. No date range is applied.

This system’s violations

The most recent samples

No date range is applied: this list draws on every sample on record. Show the last two years only.

The list below shows 16–30 of 497 samples on record, newest first.

Routine (15).

Coliform and microbial sample results for Rock Hill Water Association, 16 to 30 of 497 samples shown, newest first. A result is a presence-or-absence verdict and carries no measured amount.
Result Organism
Collected
Nov 17, 2025 10:15
Sampling point
TC0003 Outside Faucet
Sample type
Routine
Lab sample
BACT-250730-38144
Laboratory
MSDH Lab
Monitoring period
Nov 1, 2025 – Nov 30, 2025
Absence , sample collected Nov 17, 2025 10:15, sampling point TC0003 Coliform (TCR)
Absence , sample collected Nov 17, 2025 10:15, sampling point TC0003 E. Coli
Collected
Nov 17, 2025 11:10
Sampling point
TC0012 Outside Faucet
Sample type
Routine
Lab sample
BACT-250730-38145
Laboratory
MSDH Lab
Monitoring period
Nov 1, 2025 – Nov 30, 2025
Absence , sample collected Nov 17, 2025 11:10, sampling point TC0012 Coliform (TCR)
Absence , sample collected Nov 17, 2025 11:10, sampling point TC0012 E. Coli
Collected
Oct 14, 2025 10:20
Sampling point
TC0003 Outside Faucet
Sample type
Routine
Lab sample
BACT-250730-38143
Laboratory
MSDH Lab
Monitoring period
Oct 1, 2025 – Oct 31, 2025
Absence , sample collected Oct 14, 2025 10:20, sampling point TC0003 Coliform (TCR)
Absence , sample collected Oct 14, 2025 10:20, sampling point TC0003 E. Coli
Collected
Oct 14, 2025 09:35
Sampling point
TC0009 Outside Faucet
Sample type
Routine
Lab sample
BACT-250730-38142
Laboratory
MSDH Lab
Monitoring period
Oct 1, 2025 – Oct 31, 2025
Absence , sample collected Oct 14, 2025 09:35, sampling point TC0009 Coliform (TCR)
Absence , sample collected Oct 14, 2025 09:35, sampling point TC0009 E. Coli
Collected
Sep 15, 2025 10:30
Sampling point
TC0004 Outside Faucet
Sample type
Routine
Lab sample
BACT-250730-38138
Laboratory
MSDH Lab
Monitoring period
Sep 1, 2025 – Sep 30, 2025
Absence , sample collected Sep 15, 2025 10:30, sampling point TC0004 Coliform (TCR)
Absence , sample collected Sep 15, 2025 10:30, sampling point TC0004 E. Coli
Collected
Sep 15, 2025 11:20
Sampling point
TC0012 Outside Faucet
Sample type
Routine
Lab sample
BACT-250730-38139
Laboratory
MSDH Lab
Monitoring period
Sep 1, 2025 – Sep 30, 2025
Absence , sample collected Sep 15, 2025 11:20, sampling point TC0012 Coliform (TCR)
Absence , sample collected Sep 15, 2025 11:20, sampling point TC0012 E. Coli
Collected
Aug 11, 2025 10:20
Sampling point
TC0007 Outside Faucet
Sample type
Routine
Lab sample
BACT-250812-44247
Laboratory
MSDH Lab
Monitoring period
Aug 1, 2025 – Aug 31, 2025
Absence , sample collected Aug 11, 2025 10:20, sampling point TC0007 Coliform (TCR)
Absence , sample collected Aug 11, 2025 10:20, sampling point TC0007 E. Coli
Collected
Aug 11, 2025 10:55
Sampling point
TC0012 Outside Faucet
Sample type
Routine
Lab sample
BACT-250812-44248
Laboratory
MSDH Lab
Monitoring period
Aug 1, 2025 – Aug 31, 2025
Absence , sample collected Aug 11, 2025 10:55, sampling point TC0012 Coliform (TCR)
Absence , sample collected Aug 11, 2025 10:55, sampling point TC0012 E. Coli
Collected
Jul 15, 2025 10:20
Sampling point
TC0009 Outside Faucet
Sample type
Routine
Lab sample
BACT-221114-30740
Laboratory
MSDH Lab
Monitoring period
Jul 1, 2025 – Jul 31, 2025
Absence , sample collected Jul 15, 2025 10:20, sampling point TC0009 Coliform (TCR)
Absence , sample collected Jul 15, 2025 10:20, sampling point TC0009 E. Coli
Collected
Jul 15, 2025 09:36
Sampling point
TC0010 Outside Faucet
Sample type
Routine
Lab sample
BACT-221114-30739
Laboratory
MSDH Lab
Monitoring period
Jul 1, 2025 – Jul 31, 2025
Absence , sample collected Jul 15, 2025 09:36, sampling point TC0010 Coliform (TCR)
Absence , sample collected Jul 15, 2025 09:36, sampling point TC0010 E. Coli
Collected
Jun 10, 2025 09:38
Sampling point
TC0009 Outside Faucet
Sample type
Routine
Lab sample
BACT-221114-30737
Laboratory
MSDH Lab
Monitoring period
Jun 1, 2025 – Jun 30, 2025
Absence , sample collected Jun 10, 2025 09:38, sampling point TC0009 Coliform (TCR)
Absence , sample collected Jun 10, 2025 09:38, sampling point TC0009 E. Coli
Collected
Jun 10, 2025 10:20
Sampling point
TC0012 Outside Faucet
Sample type
Routine
Lab sample
BACT-221114-30738
Laboratory
MSDH Lab
Monitoring period
Jun 1, 2025 – Jun 30, 2025
Absence , sample collected Jun 10, 2025 10:20, sampling point TC0012 Coliform (TCR)
Absence , sample collected Jun 10, 2025 10:20, sampling point TC0012 E. Coli
Collected
May 19, 2025 09:38
Sampling point
TC0004 Outside Faucet
Sample type
Routine
Lab sample
BACT-221114-30735
Laboratory
MSDH Lab
Monitoring period
May 1, 2025 – May 31, 2025
Absence , sample collected May 19, 2025 09:38, sampling point TC0004 Coliform (TCR)
Absence , sample collected May 19, 2025 09:38, sampling point TC0004 E. Coli
Collected
May 19, 2025 10:35
Sampling point
TC0009 Outside Faucet
Sample type
Routine
Lab sample
BACT-221114-30736
Laboratory
MSDH Lab
Monitoring period
May 1, 2025 – May 31, 2025
Absence , sample collected May 19, 2025 10:35, sampling point TC0009 Coliform (TCR)
Absence , sample collected May 19, 2025 10:35, sampling point TC0009 E. Coli
Collected
Apr 9, 2025 10:35
Sampling point
TC0003 Outside Faucet
Sample type
Routine
Lab sample
BACT-221114-30733
Laboratory
MSDH Lab
Monitoring period
Apr 1, 2025 – Apr 30, 2025
Absence , sample collected Apr 9, 2025 10:35, sampling point TC0003 Coliform (TCR)
Absence , sample collected Apr 9, 2025 10:35, sampling point TC0003 E. Coli