Public water system · SD4600408

Active

Stratford

At a glance

Stratford (PWSID SD4600408) is an active community water system in Brown County, South Dakota. It reports serving 57 people through 47 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, 3 are health-based, and the most recent began in April 2023.

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

PWSIDSD4600408

System typeCommunity water system

Activity statusActive

Population served57

Service connections47

Primary water sourcePurchased surface water

Owner typeLocal government

Primacy agencySD state drinking water program

City servedStratford

StateSouth Dakota

ZIP57474

CountyBrown County

How does Stratford compare with other water systems in Brown County?

By EPA's size categories, Stratford is a very small system (500 people or fewer). Brown County has 21 active public water systems. Its population served is well below the county average of 1,813 people per system, and accounts for 0.1% of the 38,073 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 Stratford 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 Stratford?

EPA lists Stratford 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. 8 of the 21 active systems in Brown County (38%) are also owned by a local government.

Does Stratford have drinking water violations?

Of the 12 most recent violations in EPA's records, 3 are health-based, and the most recent began in April 2023. The violations listed here began between March 2009 and April 2023. By type: 7 monitoring and reporting, 3 required treatment not met and 2 public notice, recordkeeping or other. The contaminant or rule involved most often is Chlorine (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
2023-04-01	Monitoring and reportingMonitoring and Reporting (DBP) · code 27	Chlorinecode 0999	No	Resolved
2021-10-01	Monitoring and reportingFollow-up Or Routine LCR Tap M/R · code 52	Lead and Copper Rulecode 5000	No	Resolved
2020-04-01	Required treatment not metTreatment Technique No Certif. Operator · code 12	Stage 1 Disinfectants and Disinfection Byproducts Rulecode 0400	Yes	Resolved
2020-04-01	Monitoring and reportingMonitoring and Reporting (DBP) · code 27	Chlorinecode 0999	No	Resolved
2011-01-01	Required treatment not metTreatment Technique No Certif. Operator · code 12	Stage 1 Disinfectants and Disinfection Byproducts Rulecode 0400	Yes	Resolved
2010-04-04	Public notice, recordkeeping or otherPublic Notification Violation for NPDWR Violation · code 75	Public Noticecode 7500	No	Resolved
2010-02-01	Required treatment not metTreatment Technique No Certif. Operator · code 12	Stage 1 Disinfectants and Disinfection Byproducts Rulecode 0400	Yes	Resolved
2010-01-01	Monitoring and reportingMonitoring and Reporting (DBP) · code 27	Chlorinecode 0999	No	Resolved
2009-10-01	Monitoring and reportingFollow-up Or Routine LCR Tap M/R · code 52	Lead and Copper Rulecode 5000	No	Resolved
2009-10-01	Monitoring and reportingMonitoring and Reporting (DBP) · code 27	Chlorinecode 0999	No	Resolved
2009-07-01	Public notice, recordkeeping or otherConsumer Confidence Report Complete Failure to Report · code 71	Consumer Confidence Rulecode 7000	No	Resolved
2009-03-01	Monitoring and reportingMonitoring, Routine Major (TCR) · code 23	Total coliform bacteria (TCR)code 3100	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.

Stratford: frequently asked questions

Who runs Stratford?

Stratford (PWSID SD4600408) is a community water system owned by a local government. It is regulated by the SD state drinking water program.

How many people does Stratford serve?

Stratford reports serving 57 people through 47 service connections in Brown County, South Dakota.

Where does Stratford 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 Stratford have any drinking water violations?

Of the 12 most recent violations in EPA's records, 3 are health-based, and the most recent began in April 2023. 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 Stratford'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, 3 are health-based, and the most recent began in April 2023. For current results, consult the system's annual water quality report, EPA ECHO, or the SD state drinking water program.

Where can I find Stratford's water quality report?

As a community water system, Stratford 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 Brown County

Water system	County	Population served	Type	Source
Aberdeen	Brown	27,989	Community	Surface water
Brown-Day-Marshall Rws	Brown + 2 more	5,673	Community	Groundwater
Groton	Brown	1,380	Community	Purchased surface water
Warner	Brown	485	Community	Purchased surface water
Lakeside Estates	Brown	460	Community	Purchased surface water
Country Village Park	Brown	340	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, “Stratford, PWSID SD4600408, South Dakota”, https://aquacensus.com/water-systems/south-dakota/stratford-sd4600408 (data as of October 1, 2026).