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Public water system · SD4600426

Active

Bicentennial Trailer Court

At a glance

Bicentennial Trailer Court (PWSID SD4600426) is an active community water system in Lawrence County, South Dakota. It reports serving 23 people through 34 service connections. Its primary water source is groundwater, and EPA lists it as privately owned. Of the 12 most recent violations in EPA's records, 4 are health-based, and the most recent began in October 2024.

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

Population served

23

Service connections

34

Primary source

GW

Groundwater

System type

CWS

Community water system

System record

PWSIDSD4600426
System typeCommunity water system
Activity statusActive
Population served23
Service connections34
Primary water sourceGroundwater
Owner typePrivate
Primacy agencySD state drinking water program
City servedSpearfish
StateSouth Dakota
ZIP57783
CountyLawrence County

How does Bicentennial Trailer Court compare with other water systems in Lawrence County?

By EPA's size categories, Bicentennial Trailer Court is a very small system (500 people or fewer). Lawrence County has 73 active public water systems. Its population served is well below the county average of 373 people per system, and accounts for less than 0.1% of the 27,194 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 Bicentennial Trailer Court 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. Groundwater means the system draws its water from wells or springs fed by underground aquifers. 431 South Dakota systems (62%) list groundwater as their primary source.

Who owns and regulates Bicentennial Trailer Court?

EPA lists Bicentennial Trailer Court 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. 60 of the 73 active systems in Lawrence County (82%) are also privately owned.

Does Bicentennial Trailer Court 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 2024. The violations listed here began between January 1998 and October 2024. By type: 4 required treatment not met, 4 public notice, recordkeeping or other, 3 monitoring and reporting and 1 monitoring. The contaminant or rule involved most often is Stage 1 Disinfectants and Disinfection Byproducts Rule (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.

BeganViolationContaminant or ruleHealth-basedStatus
2024-10-01MonitoringMonitoring, Routine (RTCR) · code 3ARevised Total Coliform Rulecode 8000NoResolved
2018-10-16Required treatment not metTreatment Technique No Certif. Operator · code 12Stage 1 Disinfectants and Disinfection Byproducts Rulecode 0400YesResolved
2018-02-01Required treatment not metTreatment Technique No Certif. Operator · code 12Stage 1 Disinfectants and Disinfection Byproducts Rulecode 0400YesResolved
2015-02-01Required treatment not metTreatment Technique No Certif. Operator · code 12Stage 1 Disinfectants and Disinfection Byproducts Rulecode 0400YesResolved
2014-02-01Required treatment not metTreatment Technique No Certif. Operator · code 12Stage 1 Disinfectants and Disinfection Byproducts Rulecode 0400YesResolved
2010-07-01Public notice, recordkeeping or otherConsumer Confidence Report Complete Failure to Report · code 71Consumer Confidence Rulecode 7000NoResolved
2009-07-01Monitoring and reportingMonitoring and Reporting (DBP) · code 27Chlorinecode 0999NoResolved
2009-04-01Monitoring and reportingMonitoring and Reporting (DBP) · code 27Chlorinecode 0999NoResolved
2007-07-01Public notice, recordkeeping or otherConsumer Confidence Report Complete Failure to Report · code 71Consumer Confidence Rulecode 7000NoResolved
2006-07-01Public notice, recordkeeping or otherConsumer Confidence Report Complete Failure to Report · code 71Consumer Confidence Rulecode 7000NoResolved
2001-07-01Public notice, recordkeeping or otherConsumer Confidence Report Complete Failure to Report · code 71Consumer Confidence Rulecode 7000NoResolved
1998-01-01Monitoring and reportingWater Quality Parameter M/R · code 53Lead and Copper Rulecode 5000NoResolved

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.

Bicentennial Trailer Court: frequently asked questions

Who runs Bicentennial Trailer Court?

Bicentennial Trailer Court (PWSID SD4600426) is a community water system privately owned. It is regulated by the SD state drinking water program.

How many people does Bicentennial Trailer Court serve?

Bicentennial Trailer Court reports serving 23 people through 34 service connections in Lawrence County, South Dakota.

Where does Bicentennial Trailer Court get its water?

EPA SDWIS lists this system's primary water source as groundwater. Groundwater means the system draws its water from wells or springs fed by underground aquifers.

Does Bicentennial Trailer Court 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 2024. 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 Bicentennial Trailer Court'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 2024. For current results, consult the system's annual water quality report, EPA ECHO, or the SD state drinking water program.

Where can I find Bicentennial Trailer Court's water quality report?

As a community water system, Bicentennial Trailer Court 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 Lawrence County

Water systemCountyPopulation servedTypeSource
SpearfishLawrence13,803CommunityGroundwater
LeadLawrence2,982CommunityPurchased surface water
DeadwoodLawrence1,156CommunityPurchased surface water
WhitewoodLawrence879CommunityGroundwater
Guadalajara Mexican RestaurantLawrence630Transient non-communityGroundwater
Spearfish Canyon Resort LLCLawrence492Transient non-communityGroundwater

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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, “Bicentennial Trailer Court, PWSID SD4600426, South Dakota”, https://aquacensus.com/water-systems/south-dakota/bicentennial-trailer-court-sd4600426 (data as of October 1, 2026).