Public water system · SD4600065

Active

Brentford

At a glance

Brentford (PWSID SD4600065) is an active community water system in Spink County, South Dakota. It reports serving 88 people through 25 service connections. Its primary water source is purchased surface water, and EPA lists it as owned by a local government. Of the 12 most recent violations in EPA's records, one is health-based, and the most recent began in April 2016.

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

Population served

Service connections

Primary source

SWP

Purchased surface water

System type

CWS

Community water system

System record

PWSIDSD4600065

System typeCommunity water system

Activity statusActive

Population served88

Service connections25

Primary water sourcePurchased surface water

Owner typeLocal government

Primacy agencySD state drinking water program

City servedBrentford

StateSouth Dakota

ZIP57429

CountySpink County

How does Brentford compare with other water systems in Spink County?

By EPA's size categories, Brentford is a very small system (500 people or fewer). Spink County has 10 active public water systems. Its population served is well below the county average of 349 people per system, and accounts for 2.5% of the 3,485 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 Brentford 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 Brentford?

EPA lists Brentford 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. 7 of the 10 active systems in Spink County (70%) are also owned by a local government.

Does Brentford have drinking water violations?

Of the 12 most recent violations in EPA's records, one is health-based, and the most recent began in April 2016. The violations listed here began between July 1997 and April 2016. By type: 10 monitoring and reporting, 1 contaminant level above the legal limit and 1 public notice, recordkeeping or other. The contaminant or rule involved most often is Chlorine (5 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
2016-04-01	Monitoring and reportingMonitoring and Reporting (DBP) · code 27	Chlorinecode 0999	No	Resolved
2012-12-01	Monitoring and reportingMonitoring, Routine Major (TCR) · code 23	Total coliform bacteria (TCR)code 3100	No	Resolved
2012-10-01	Monitoring and reportingMonitoring and Reporting (DBP) · code 27	Chlorinecode 0999	No	Resolved
2011-10-01	Monitoring and reportingFollow-up Or Routine LCR Tap M/R · code 52	Lead and Copper Rulecode 5000	No	Resolved
2011-04-01	Monitoring and reportingMonitoring and Reporting (DBP) · code 27	Chlorinecode 0999	No	Resolved
2011-01-01	Monitoring and reportingMonitoring and Reporting (DBP) · code 27	Chlorinecode 0999	No	Resolved
2010-04-01	Monitoring and reportingMonitoring and Reporting (DBP) · code 27	Chlorinecode 0999	No	Resolved
2006-11-01	Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22	Total coliform bacteria (TCR)code 3100	Yes	Resolved
2003-07-01	Public notice, recordkeeping or otherConsumer Confidence Report Complete Failure to Report · code 71	Consumer Confidence Rulecode 7000	No	Resolved
2001-02-01	Monitoring and reportingMonitoring, Routine Major (TCR) · code 23	Total coliform bacteria (TCR)code 3100	No	Resolved
2000-05-01	Monitoring and reportingMonitoring, Routine Major (TCR) · code 23	Total coliform bacteria (TCR)code 3100	No	Resolved
1997-07-01	Monitoring and reportingInitial Tap Sampling for Pb and Cu · code 51	Lead and Copper Rulecode 5000	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.

Brentford: frequently asked questions

Who runs Brentford?

Brentford (PWSID SD4600065) is a community water system owned by a local government. It is regulated by the SD state drinking water program.

How many people does Brentford serve?

Brentford reports serving 88 people through 25 service connections in Spink County, South Dakota.

Where does Brentford 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 Brentford have any drinking water violations?

Of the 12 most recent violations in EPA's records, one is health-based, and the most recent began in April 2016. 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 Brentford'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, one is health-based, and the most recent began in April 2016. For current results, consult the system's annual water quality report, EPA ECHO, or the SD state drinking water program.

Where can I find Brentford's water quality report?

As a community water system, Brentford 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 Spink County

Water system	County	Population served	Type	Source
Redfield	Spink	2,214	Community	Purchased surface water
Tulare	Spink	211	Community	Purchased surface water
Mellette	Spink	205	Community	Purchased surface water
Doland	Spink	199	Community	Purchased surface water
Northville	Spink	143	Community	Purchased surface water
Conde	Spink	142	Community	Purchased surface water

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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, “Brentford, PWSID SD4600065, South Dakota”, https://aquacensus.com/water-systems/south-dakota/brentford-sd4600065 (data as of October 1, 2026).