Public water system · SD4602064
ActiveFordham Colony
At a glance
Fordham Colony (PWSID SD4602064) is an active community water system in Clark County, South Dakota. It reports serving 142 people through 23 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, one is health-based, and the most recent began in September 2009.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
142
Service connections
23
Primary source
GW
Groundwater
System type
CWS
Community water system
System record
How does Fordham Colony compare with other water systems in Clark County?
By EPA's size categories, Fordham Colony is a very small system (500 people or fewer). Clark County has 7 active public water systems, and Fordham Colony is the 4th-largest of them by population served. Its population served is well below the county average of 582 people per system, and accounts for 3.5% of the 4,073 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 Fordham Colony 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 Fordham Colony?
EPA lists Fordham Colony 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. 4 of the 7 active systems in Clark County (57%) are also privately owned.
Does Fordham Colony have drinking water violations?
Of the 12 most recent violations in EPA's records, one is health-based, and the most recent began in September 2009. The violations listed here began between January 2008 and September 2009. By type: 11 monitoring and reporting and 1 contaminant level above the legal limit. The contaminants or rules involved are Total coliform bacteria (TCR), Polychlorinated biphenyls (PCBs), total, Endothall and Heptachlor epoxide. 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 |
|---|---|---|---|---|
| 2009-09-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22 | Total coliform bacteria (TCR)code 3100 | Yes | Resolved |
| 2008-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Polychlorinated biphenyls (PCBs), totalcode 2383 | No | Resolved |
| 2008-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Endothallcode 2033 | No | Resolved |
| 2008-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Heptachlor epoxidecode 2067 | No | Resolved |
| 2008-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Pentachlorophenolcode 2326 | No | Resolved |
| 2008-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | 1,2-Dibromo-3-chloropropane (DBCP)code 2931 | No | Resolved |
| 2008-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Benzo(a)pyrenecode 2306 | No | Resolved |
| 2008-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Chlordanecode 2959 | No | Resolved |
| 2008-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Simazinecode 2037 | No | Resolved |
| 2008-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Alachlor (Lasso)code 2051 | No | Resolved |
| 2008-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Heptachlorcode 2065 | No | Resolved |
| 2008-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Diquatcode 2032 | 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.
Fordham Colony: frequently asked questions
Who runs Fordham Colony?
Fordham Colony (PWSID SD4602064) is a community water system privately owned. It is regulated by the SD state drinking water program.
How many people does Fordham Colony serve?
Fordham Colony reports serving 142 people through 23 service connections in Clark County, South Dakota.
Where does Fordham Colony 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 Fordham Colony 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 September 2009. 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 Fordham Colony'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 September 2009. For current results, consult the system's annual water quality report, EPA ECHO, or the SD state drinking water program.
Where can I find Fordham Colony's water quality report?
As a community water system, Fordham Colony 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 Clark County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Clark Rural Water System | Clark + 3 more | 2,325 | Community | Groundwater |
| Clark | Clark | 1,148 | Community | Purchased groundwater |
| Willow Lake | Clark | 255 | Community | Purchased groundwater |
| Collins Colony | Clark | 95 | Community | Groundwater |
| Shamrock Colony | Clark | 75 | Community | Groundwater |
| Garden City | Clark | 33 | Community | Purchased 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, “Fordham Colony, PWSID SD4602064, South Dakota”, https://aquacensus.com/water-systems/south-dakota/fordham-colony-sd4602064 (data as of October 1, 2026).