PlainWater
States → South Dakota

Community Water System · PWS SD4600333

Trent

Trent, South Dakota 57065 - drinking water served from groundwater sources to 206 people, tracked in EPA SDWIS and UCMR5.

206
People served
126
EPA violations
17
Health-based
Untested
UCMR5 result

The verdict

EPA records 126 drinking-water violations at Trent, 13% of them health-based - above the South Dakota per-system average.

126
Total EPA violations on record
13%
Health-based (MCL / treatment failure)
206
People served by this system
N/A
PFAS compounds detected (UCMR5)

Water Quality Snapshot: Trent

Trent is a local-owned community water system that delivers drinking water to 206 residents in Trent, South Dakota (Moody County) through 112 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 126 total violations for this system , of which 17 (13%) are health-based, meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 101 monitoring and reporting violations are on file. The most recent violation on record dates to 2021.

The most frequently cited contaminant at this system is Coliform (TCR), recorded in 12 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%).

Trent's 126 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
206
Total Violations
126
Health-Based Violations
17
Water Source
Groundwater

System Details

System Type
Community
Owner Type
Local
Connections
112
County
Moody
School/Daycare
No
MCL Violations
17
Monitoring Violations
101
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Coliform (TCR) MR 12 2007
Lead and Copper Rule MR 12 2021
Coliform (TCR) MCL 9 2007
Nitrate MCL 8 2005
Nitrate MR 5 2001
Consumer Confidence Rule Other 4 2008
Total Haloacetic Acids (HAA5) MR 3 2021
TTHM MR 3 2021
cis-1,2-Dichloroethylene MR 2 1993
Vinyl chloride MR 2 1993
Tetrachloroethylene MR 2 1993
Ethylbenzene MR 2 1993
DICHLOROMETHANE MR 2 1993
1,2,4-Trichlorobenzene MR 2 1993
1,1,2-Trichloroethane MR 2 1993
1,1-Dichloroethylene MR 2 1993
Carbon tetrachloride MR 2 1993
o-Dichlorobenzene MR 2 1993
trans-1,2-Dichloroethylene MR 2 1993
1,2-Dichloropropane MR 2 1993
Benzene MR 2 1993
p-Dichlorobenzene MR 2 1993
1,2-Dichloroethane MR 2 1993
Toluene MR 2 1993
Arsenic MR 2 1991
Fluoride MR 2 1991
Mercury MR 2 1991
Selenium MR 2 1991
Antimony, Total MR 2 1991
Thallium, Total MR 2 1991

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 Trent.

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 SD4600333 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
2021 Lead and Copper Rule MR 12 SDWIS / SD4600333 / 5000
2021 Total Haloacetic Acids (HAA5) MR 3 SDWIS / SD4600333 / 2456
2021 TTHM MR 3 SDWIS / SD4600333 / 2950
2008 Consumer Confidence Rule Other 4 SDWIS / SD4600333 / 7000
2007 Coliform (TCR) MR 12 SDWIS / SD4600333 / 3100
2007 Coliform (TCR) MCL 9 SDWIS / SD4600333 / 3100
2005 Nitrate MCL 8 SDWIS / SD4600333 / 1040
2001 Nitrate MR 5 SDWIS / SD4600333 / 1040
1996 Coliform (TCR) Other 1 SDWIS / SD4600333 / 3100
1993 cis-1,2-Dichloroethylene MR 2 SDWIS / SD4600333 / 2380
1993 Vinyl chloride MR 2 SDWIS / SD4600333 / 2976
1993 Tetrachloroethylene MR 2 SDWIS / SD4600333 / 2987
1993 Ethylbenzene MR 2 SDWIS / SD4600333 / 2992
1993 DICHLOROMETHANE MR 2 SDWIS / SD4600333 / 2964
1993 1,2,4-Trichlorobenzene MR 2 SDWIS / SD4600333 / 2378

How Trent Compares

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

Metric Trent South Dakota avg Federal benchmark
Total violations 126 86 SDWA compliance, any non-zero count is a recorded breach
Health-based violations 17 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 206 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 Trent water safe to drink? ▼
Trent (PWS ID: SD4600333) has 126 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 206 people using Groundwater sources.
How many people does Trent serve? ▼
Trent serves 206 people in Trent, South Dakota. It is a Local-owned system using Groundwater water sources with 112 service connections.
What type of violations does Trent have? ▼
Trent has 126 total violations: 17 health-based violations (MCL exceedances or treatment failures), 101 monitoring/reporting violations, and 0 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in Trent water? ▼
No PFAS testing data is available for Trent under the EPA's UCMR5 monitoring program.
What water source does Trent use? ▼
Trent 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.