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Community Water System · PWS SD4602060

Glendale Colony

Frankfort, South Dakota 57440 - drinking water served from groundwater sources to 95 people, tracked in EPA SDWIS and UCMR5.

95
People served
585
EPA violations
9
Health-based
Untested
UCMR5 result

The verdict

EPA records 585 drinking-water violations at Glendale Colony, 2% of them health-based - above the South Dakota per-system average.

585
Total EPA violations on record
2%
Health-based (MCL / treatment failure)
95
People served by this system
N/A
PFAS compounds detected (UCMR5)

Water Quality Snapshot: Glendale Colony

Glendale Colony is a private-owned community water system that delivers drinking water to 95 residents in Frankfort, South Dakota (Spink County) through 25 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 585 total violations for this system , of which 9 (2%) are health-based, meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 565 monitoring and reporting violations are on file. The most recent violation on record dates to 2024.

The most frequently cited contaminant at this system is Coliform (TCR), recorded in 43 violations (MR). This system has not yet been sampled under EPA's UCMR5 PFAS monitoring program, so no PFAS detection data is available here.

Across South Dakota, EPA tracks 654 public water systems serving 915,901 people, with 56,254 cumulative violations and 8,399 health-based violations on record. About 92% of systems in the state carry at least one violation, and state-wide the average per system is 86 violations. Statewide, 42 of 49 UCMR5-tested systems have reported PFAS detections (85.7%).

Glendale Colony's 585 violations sit above the South Dakota average.

All figures above are sourced directly from EPA SDWIS and UCMR5 public data releases and are updated as EPA publishes new reporting cycles.

Population Served
95
Total Violations
585
Health-Based Violations
9
Water Source
Groundwater

System Details

System Type
Community
Owner Type
Private
Connections
25
County
Spink
School/Daycare
No
MCL Violations
9
Monitoring Violations
565
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Coliform (TCR) MR 43 2012
Styrene MR 12 2004
Vinyl chloride MR 12 2004
Tetrachloroethylene MR 12 2004
Ethylbenzene MR 12 2004
Xylenes, Total MR 12 2004
Carbon tetrachloride MR 12 2004
trans-1,2-Dichloroethylene MR 12 2004
Toluene MR 12 2004
cis-1,2-Dichloroethylene MR 12 2004
1,1,1-Trichloroethane MR 12 2004
DICHLOROMETHANE MR 12 2004
1,2,4-Trichlorobenzene MR 12 2004
1,1,2-Trichloroethane MR 12 2004
1,1-Dichloroethylene MR 12 2004
CHLOROBENZENE MR 12 2004
o-Dichlorobenzene MR 12 2004
1,2-Dichloroethane MR 12 2004
Benzene MR 12 2004
Trichloroethylene MR 12 2004
1,2-Dichloropropane MR 12 2004
p-Dichlorobenzene MR 12 2004
Coliform (TCR) MCL 9 1994
Lead and Copper Rule MR 7 2001
Arsenic MR 6 2012
Barium MR 6 2012
Cadmium MR 6 2012
Chromium MR 6 2012
Antimony, Total MR 6 2012
Thallium, Total MR 6 2012

Verify This Water System

The figures above are aggregated from EPA's public databases. To verify the underlying records, or to file a complaint, request a Consumer Confidence Report, or check current monitoring status, go directly to the federal and state regulators that enforce the Safe Drinking Water Act for Glendale Colony.

Federal Source of Truth

EPA SDWIS, Federal Reports

EPA's Safe Drinking Water Information System (SDWIS) holds the federal compliance record for every regulated public water system. Open the system-level report by PWS ID:

View PWS ID SD4602060 on SDWIS

Source: EPA SDWIS Federal Reports Search

State Regulator

South Dakota Drinking Water Authority

South Dakota's primacy agency administers the Safe Drinking Water Act locally. Search EPA SDWIS for the current state contact, or use the state's public health or environment department portal.

Find SD regulator via EPA SDWIS

Violation Timeline

Each row links to the EPA SDWIS public record for verification. Cross-reference the contaminant code on EPA's federal report to see violation dates, return-to-compliance status, and enforcement actions.

Year (latest) Contaminant Category Count EPA Record
2024 Revised Total Coliform Rule MON 2 SDWIS / SD4602060 / 8000
2012 Coliform (TCR) MR 43 SDWIS / SD4602060 / 3100
2012 Arsenic MR 6 SDWIS / SD4602060 / 1005
2012 Barium MR 6 SDWIS / SD4602060 / 1010
2012 Cadmium MR 6 SDWIS / SD4602060 / 1015
2012 Chromium MR 6 SDWIS / SD4602060 / 1020
2012 Antimony, Total MR 6 SDWIS / SD4602060 / 1074
2012 Thallium, Total MR 6 SDWIS / SD4602060 / 1085
2012 Beryllium, Total MR 6 SDWIS / SD4602060 / 1075
2012 Nickel MR 6 SDWIS / SD4602060 / 1036
2012 Fluoride MR 6 SDWIS / SD4602060 / 1025
2012 Mercury MR 6 SDWIS / SD4602060 / 1035
2012 Selenium MR 6 SDWIS / SD4602060 / 1045
2004 Styrene MR 12 SDWIS / SD4602060 / 2996
2004 Vinyl chloride MR 12 SDWIS / SD4602060 / 2976

How Glendale Colony Compares

Cross-reference this system's record against state averages and the federal MCL framework for context.

Metric Glendale Colony South Dakota avg Federal benchmark
Total violations 585 86 SDWA compliance, any non-zero count is a recorded breach
Health-based violations 9 12.8 Indicates a contaminant exceeded a federal MCL
PFAS detection None 85.7% EPA final rule (2024): PFOA/PFOS MCL = 4.0 ppt
Population served 95 1,400 Sizing context for compliance burden

Sources: EPA SDWIS and EPA National Primary Drinking Water Regulations (40 CFR Part 141). State averages computed across 654 regulated public water systems in South Dakota.

Federal MCL reference, Safe Drinking Water Act thresholds ▼
Contaminant Federal MCL / Action Level Note
Lead 0 mg/L (Action Level: 0.015 mg/L) Lead and Copper Rule treatment technique
Arsenic 0.010 mg/L (10 ppb) Health-based MCL since 2006
Total Coliform Treatment technique (RTCR) Indicator organism, monitoring trigger
PFOA / PFOS (PFAS) 4.0 ppt each (final 2024 rule) Compliance deadline 2029 (EPA proposed extending to 2031, not yet final as of May 2026)
Nitrate (as N) 10 mg/L Acute health risk for infants

Frequently Asked Questions

Is Glendale Colony water safe to drink? ▼
Glendale Colony (PWS ID: SD4602060) has 585 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 95 people using Groundwater sources.
How many people does Glendale Colony serve? ▼
Glendale Colony serves 95 people in Frankfort, South Dakota. It is a Private-owned system using Groundwater water sources with 25 service connections.
What type of violations does Glendale Colony have? ▼
Glendale Colony has 585 total violations: 9 health-based violations (MCL exceedances or treatment failures), 565 monitoring/reporting violations, and 0 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in Glendale Colony water? ▼
No PFAS testing data is available for Glendale Colony under the EPA's UCMR5 monitoring program.
What water source does Glendale Colony use? ▼
Glendale Colony uses Groundwater as its primary water source. It is classified as a Community Water System (CWS), serving residential populations year-round.
Where does this data come from? ▼
All data comes from the EPA Safe Drinking Water Information System (SDWIS) and the UCMR5 PFAS monitoring program. SDWIS tracks compliance for all public water systems regulated under the Safe Drinking Water Act.
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025. This data is provided for informational purposes only.

Read our methodology - how this data is sourced, computed, and verified.

Data sourced from EPA SDWIS and UCMR5 PFAS monitoring data. See our methodology for details. Retrieved and formatted by PlainWater Editorial

Every figure on PlainWater is rendered directly from EPA SDWIS drinking-water data, no number is typed in by an editor. This system's figures are rendered directly from EPA SDWIS data, no figure is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.