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Public water system · SD4600248

Active

Presho

Community water system in Lyman County, South Dakota, drawing primarily on purchased surface water.

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

Population served

472

Service connections

298

Primary source

SWP

Purchased surface water

System type

CWS

Community water system

System record

PWSIDSD4600248
System typeCommunity water system
Activity statusActive
Population served472
Service connections298
Primary water sourcePurchased surface water
Owner typeLocal government
Primacy agencySD state drinking water program
City servedPresho
StateSouth Dakota
ZIP57568
CountyLyman County

Violations & enforcement

BeganViolationContaminant or ruleHealth-basedStatus
2025-07-01Public notice, recordkeeping or otherConsumer Confidence Report Complete Failure to Report · code 71Consumer Confidence Rulecode 7000NoUnaddressed
2010-02-01Required treatment not metTreatment Technique No Certif. Operator · code 12Stage 1 Disinfectants and Disinfection Byproducts Rulecode 0400YesResolved
1999-07-01Monitoring and reportingWater Quality Parameter M/R · code 53Lead and Copper Rulecode 5000NoResolved
1999-01-01Monitoring and reportingInitial Tap Sampling for Pb and Cu · code 51Lead and Copper Rulecode 5000NoResolved
1996-10-01Monitoring and reportingMonitoring, Regular · code 03Gross alpha (excluding radon and uranium)code 4000NoResolved
1996-10-01Monitoring and reportingMonitoring, Regular · code 03Combined Radium (-226 and -228)code 4010NoResolved
1996-07-01Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02Combined Radium (-226 and -228)code 4010YesResolved
1996-01-01Monitoring and reportingMonitoring, Regular · code 03Endothallcode 2033NoResolved
1995-02-01Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22Total coliform bacteria (TCR)code 3100YesResolved
1995-01-01Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22Total coliform bacteria (TCR)code 3100YesResolved
1994-07-01Monitoring and reportingInitial Tap Sampling for Pb and Cu · code 51Lead and Copper Rulecode 5000NoResolved
1994-01-09Public notice, recordkeeping or otherNotification, Public · code 06Not reportedNoArchived

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.

Presho: frequently asked questions

Is Presho's water safe to drink?

Presho is an active community water system regulated under the Safe Drinking Water Act, overseen by the SD state drinking water program. EPA's SDWA data records violations for this system — the most recent are listed on this page, including health-based violations; consult EPA ECHO or your annual Consumer Confidence Report for its current compliance status.

Who runs Presho?

Presho (PWSID SD4600248) is a local government-owned community water system, regulated by the SD state drinking water program.

How many people does Presho serve?

Presho reports serving 472 people through 298 service connections in Lyman County, South Dakota.

Where does Presho get its water?

EPA SDWIS lists this system's primary water source as purchased surface water.

Other water systems in Lyman County

Water systemCountyPopulation servedTypeSource
OacomaLyman391CommunitySurface water
KennebecLyman265CommunityPurchased surface water

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