Public water system · SD4602154
ActiveTmt, Inc..
At a glance
Tmt, Inc.. (PWSID SD4602154) is an active community water system in Hughes County, South Dakota. It reports serving 250 people through 54 service connections. Its primary water source is purchased surface water, and EPA lists it as privately owned. EPA's records list 6 violations for this system; 3 are health-based, and the most recent began in July 2001.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
250
Service connections
54
Primary source
SWP
Purchased surface water
System type
CWS
Community water system
System record
How does Tmt, Inc.. compare with other water systems in Hughes County?
By EPA's size categories, Tmt, Inc.. is a very small system (500 people or fewer). Hughes County has 6 active public water systems, and Tmt, Inc.. is the 5th-largest of them by population served. Its population served is well below the county average of 4,519 people per system, and accounts for 0.9% of the 27,114 people reported by systems filed under the county. Across South Dakota, the 699 active systems average 1,387 people each. Nationally, the average active community water system reports serving 6,703 people, so Tmt, Inc.. is well below that figure.
What does “community water system” mean?
A community water system serves at least 15 connections used by year-round residents, or regularly serves at least 25 year-round residents. Homes, apartments and mobile-home parks are served by these. South Dakota has 510 active community water systems, 73% of the state's 699 active systems. Purchased surface water means the system buys surface water from another public water system rather than drawing its own. 142 South Dakota systems (20%) list purchased surface water as their primary source.
Who owns and regulates Tmt, Inc..?
EPA lists Tmt, Inc.. as privately owned. The SD state drinking water program is its primacy agency, the regulator with primary enforcement responsibility for the system under the Safe Drinking Water Act. 2 of the 6 active systems in Hughes County (33%) are also privately owned.
Does Tmt, Inc.. have drinking water violations?
EPA's records list 6 violations for this system; 3 are health-based, and the most recent began in July 2001. The violations listed here began between July 1996 and July 2001. By type: 3 contaminant level above the legal limit, 2 monitoring and reporting and 1 public notice, recordkeeping or other. The contaminant or rule involved most often is Total coliform bacteria (TCR) (4 of them). EPA lists 5 as resolved and 1 as archived. Resolved means at least one resolving action is on record: the system returned to compliance, the rule no longer applies, or no further action was needed. Archived means the violation was not marked resolved but is more than five years past the end of the noncompliance period, so it no longer counts toward current compliance status.
| Began | Violation | Contaminant or rule | Health-based | Status |
|---|---|---|---|---|
| 2001-07-01 | Public notice, recordkeeping or otherConsumer Confidence Report Complete Failure to Report · code 71 | Consumer Confidence Rulecode 7000 | No | Resolved |
| 1997-04-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Acute (TCR) · code 21 | Total coliform bacteria (TCR)code 3100 | Yes | Resolved |
| 1997-04-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22 | Total coliform bacteria (TCR)code 3100 | Yes | Resolved |
| 1996-11-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22 | Total coliform bacteria (TCR)code 3100 | Yes | Resolved |
| 1996-11-01 | Monitoring and reportingMonitoring, Repeat Minor (TCR) · code 26 | Total coliform bacteria (TCR)code 3100 | No | Archived |
| 1996-07-01 | Monitoring and reportingInitial Tap Sampling for Pb and Cu · code 51 | Lead and Copper Rulecode 5000 | No | Resolved |
All 6 violations in EPA's records, newest first.Labels and codes come from EPA's SDWIS reference tables. A monitoring or reporting violation means a required test or report was missed or late; it does not by itself mean a contaminant was found. "Health-based" marks violations of a legal limit or required treatment.
Tmt, Inc..: frequently asked questions
Who runs Tmt, Inc..?
Tmt, Inc.. (PWSID SD4602154) is a community water system privately owned. It is regulated by the SD state drinking water program.
How many people does Tmt, Inc.. serve?
Tmt, Inc.. reports serving 250 people through 54 service connections in Hughes County, South Dakota.
Where does Tmt, Inc.. get its water?
EPA SDWIS lists this system's primary water source as purchased surface water. Purchased surface water means the system buys surface water from another public water system rather than drawing its own.
Does Tmt, Inc.. have any drinking water violations?
EPA's records list 6 violations for this system; 3 are health-based, and the most recent began in July 2001. A monitoring or reporting violation means a required test or report was missed or late; it does not by itself mean a contaminant was found.
Is Tmt, Inc..'s water safe to drink?
AquaCensus shows EPA compliance records, not current water test results, so it cannot say whether the water is safe at a given moment. EPA's records list 6 violations for this system; 3 are health-based, and the most recent began in July 2001. For current results, consult the system's annual water quality report, EPA ECHO, or the SD state drinking water program.
Where can I find Tmt, Inc..'s water quality report?
As a community water system, Tmt, Inc.. must deliver an annual water quality report, called a Consumer Confidence Report, to its customers by July 1 each year, covering the previous calendar year. The system can provide a copy on request.
Other water systems in Hughes County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Pierre | Hughes | 14,091 | Community | Surface water |
| Mid-Dakota Rural Water | Hughes + 3 more | 11,833 | Community | Surface water |
| Spring Creek Sanitary District | Hughes | 465 | Community | Purchased surface water |
| Blunt | Hughes | 350 | Community | Purchased surface water |
| Gfp-West Bend Recreation Area | Hughes | 125 | Transient non-community | Groundwater |
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About this data
Source: U.S. EPA Safe Drinking Water Information System (SDWIS) and SDWA violation records, via EPA ECHO, as published October 1, 2026 — AquaCensus refreshes it quarterly. See the methodology for how records are matched, cleaned and scored.
Cite as: AquaCensus, “Tmt, Inc.., PWSID SD4602154, South Dakota”, https://aquacensus.com/water-systems/south-dakota/tmt-inc-sd4602154 (data as of October 1, 2026).