Public water system · SD4600333

Active

Trent

At a glance

Trent (PWSID SD4600333) is an active community water system in Moody County, South Dakota. It reports serving 206 people through 112 service connections. Its primary water source is purchased groundwater, and EPA lists it as owned by a local government. Of the 12 most recent violations in EPA's records, 4 are health-based, and the most recent began in October 2021.

Dataset updated October 2026 . Source: EPA SDWIS/ECHO public records.

Population served

206

Service connections

112

Primary source

GWP

Purchased groundwater

System type

CWS

Community water system

System record

PWSIDSD4600333

System typeCommunity water system

Activity statusActive

Population served206

Service connections112

Primary water sourcePurchased groundwater

Owner typeLocal government

Primacy agencySD state drinking water program

City servedTrent

StateSouth Dakota

ZIP57065

CountyMoody County

How does Trent compare with other water systems in Moody County?

By EPA's size categories, Trent is a very small system (500 people or fewer). Moody County has 7 active public water systems, and Trent is the 5th-largest of them by population served. Its population served is well below the county average of 1,343 people per system, and accounts for 2.2% of the 9,401 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 Trent 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 groundwater means the system buys groundwater from another public water system rather than drawing its own. 100 South Dakota systems (14%) list purchased groundwater as their primary source.

Who owns and regulates Trent?

EPA lists Trent as owned by a local government. 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. 5 of the 7 active systems in Moody County (71%) are also owned by a local government.

Does Trent have drinking water violations?

Of the 12 most recent violations in EPA's records, 4 are health-based, and the most recent began in October 2021. The violations listed here began between January 1998 and October 2021. By type: 6 monitoring and reporting, 4 contaminant level above the legal limit and 2 public notice, recordkeeping or other. The contaminant or rule involved most often is Nitrate (4 of them). EPA lists 12 as resolved. 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.

Began	Violation	Contaminant or rule	Health-based	Status
2021-10-01	Monitoring and reportingFollow-up Or Routine LCR Tap M/R · code 52	Lead and Copper Rulecode 5000	No	Resolved
2021-08-01	Monitoring and reportingMonitoring and Reporting (DBP) · code 27	Total trihalomethanes (TTHM)code 2950	No	Resolved
2021-08-01	Monitoring and reportingMonitoring and Reporting (DBP) · code 27	Haloacetic acids (HAA5)code 2456	No	Resolved
2008-07-01	Public notice, recordkeeping or otherConsumer Confidence Report Complete Failure to Report · code 71	Consumer Confidence Rulecode 7000	No	Resolved
2007-08-01	Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22	Total coliform bacteria (TCR)code 3100	Yes	Resolved
2007-03-01	Monitoring and reportingMonitoring, Routine Minor (TCR) · code 24	Total coliform bacteria (TCR)code 3100	No	Resolved
2005-07-01	Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02	Nitratecode 1040	Yes	Resolved
2005-04-01	Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02	Nitratecode 1040	Yes	Resolved
2001-07-01	Public notice, recordkeeping or otherConsumer Confidence Report Complete Failure to Report · code 71	Consumer Confidence Rulecode 7000	No	Resolved
2001-01-01	Monitoring and reportingMonitoring, Regular · code 03	Nitratecode 1040	No	Resolved
1999-12-01	Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22	Total coliform bacteria (TCR)code 3100	Yes	Resolved
1998-01-01	Monitoring and reportingMonitoring, Regular · code 03	Nitratecode 1040	No	Resolved

The 12 most recent 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.

Trent: frequently asked questions

Who runs Trent?

Trent (PWSID SD4600333) is a community water system owned by a local government. It is regulated by the SD state drinking water program.

How many people does Trent serve?

Trent reports serving 206 people through 112 service connections in Moody County, South Dakota.

Where does Trent get its water?

EPA SDWIS lists this system's primary water source as purchased groundwater. Purchased groundwater means the system buys groundwater from another public water system rather than drawing its own.

Does Trent have any drinking water violations?

Of the 12 most recent violations in EPA's records, 4 are health-based, and the most recent began in October 2021. 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 Trent'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. Of the 12 most recent violations in EPA's records, 4 are health-based, and the most recent began in October 2021. For current results, consult the system's annual water quality report, EPA ECHO, or the SD state drinking water program.

Where can I find Trent's water quality report?

As a community water system, Trent 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 Moody County

Water system	County	Population served	Type	Source
Big Sioux Community Water System	Moody + 2 more	5,800	Community	Groundwater
Flandreau	Moody	2,372	Community	Purchased groundwater
Colman	Moody	634	Community	Purchased groundwater
Egan	Moody	241	Community	Purchased groundwater
Pleasant Valley Colony	Moody	107	Community	Groundwater
Ward	Moody	41	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, “Trent, PWSID SD4600333, South Dakota”, https://aquacensus.com/water-systems/south-dakota/trent-sd4600333 (data as of October 1, 2026).