PlainWater

Transient Non-Community Water System · PWS VA6153261

Greenwich Presbyterian Preschool

Nokesville, Virginia 20181 - drinking water served from groundwater sources to 44 people, tracked in EPA SDWIS and UCMR5.

44
People served
126
EPA violations
16
Health-based
Untested
UCMR5 result

The verdict

EPA records 126 drinking-water violations at Greenwich Presbyterian Preschool, 13% of them health-based - above the Virginia per-system average.

126
Total EPA violations on record
13%
Health-based (MCL / treatment failure)
44
People served by this system
N/A
PFAS compounds detected (UCMR5)

Water Quality Snapshot: Greenwich Presbyterian Preschool

Greenwich Presbyterian Preschool is a private-owned transient non-community water system that delivers drinking water to 44 residents in Nokesville, Virginia (Prince William County) through 1 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 16 (13%) are health-based, meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 107 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 Arsenic, recorded in 12 violations (MCL, health-based). This system has not yet been sampled under EPA's UCMR5 PFAS monitoring program, so no PFAS detection data is available here.

Across Virginia, EPA tracks 2,821 public water systems serving 7,911,199 people, with 146,670 cumulative violations and 25,642 health-based violations on record. About 90% of systems in the state carry at least one violation, and state-wide the average per system is 52 violations. Statewide, 70 of 171 UCMR5-tested systems have reported PFAS detections (40.9%).

Greenwich Presbyterian Preschool's 126 violations sit above the Virginia 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
44
Total Violations
126
Health-Based Violations
16
Water Source
Groundwater

System Details

System Type
Transient Non-Community
Owner Type
Private
Connections
1
County
Prince William
School/Daycare
Yes
MCL Violations
16
Monitoring Violations
107
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Arsenic MCL 12 2007
Coliform (TCR) MR 8 2005
cis-1,2-Dichloroethylene MR 4 2004
o-Dichlorobenzene MR 4 2004
p-Dichlorobenzene MR 4 2004
Vinyl chloride MR 4 2004
1,1-Dichloroethylene MR 4 2004
trans-1,2-Dichloroethylene MR 4 2004
Carbon tetrachloride MR 4 2004
Trichloroethylene MR 4 2004
1,1,2-Trichloroethane MR 4 2004
Tetrachloroethylene MR 4 2004
CHLOROBENZENE MR 4 2004
Benzene MR 4 2004
Ethylbenzene MR 4 2004
Fluoride MR 4 2002
Revised Total Coliform Rule MON 4 2021
Xylenes, Total MR 4 2004
1,2-Dichloroethane MR 4 2004
Toluene MR 4 2004
1,1,1-Trichloroethane MR 4 2004
E. COLI MR 4 2024
DICHLOROMETHANE MR 4 2004
Coliform (TCR) MCL 4 2005
1,2-Dichloropropane MR 4 2004
1,2,4-Trichlorobenzene MR 4 2004
Styrene MR 4 2004
Nitrate-Nitrite MR 3 2019
Revised Total Coliform Rule RPT 3 2024

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 Greenwich Presbyterian Preschool.

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 VA6153261 on SDWIS

Source: EPA SDWIS Federal Reports Search

State Regulator

Virginia Drinking Water Authority

Virginia Department of Health, Office of Drinking Water is the primacy agency that licenses and inspects Greenwich Presbyterian Preschool under EPA-delegated authority.

Open VA regulator portal

Source: Virginia Department of Health, Office of Drinking Water

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 E. COLI MR 4 SDWIS / VA6153261 / 3014
2024 Revised Total Coliform Rule RPT 3 SDWIS / VA6153261 / 8000
2021 Revised Total Coliform Rule MON 4 SDWIS / VA6153261 / 8000
2019 Nitrate-Nitrite MR 3 SDWIS / VA6153261 / 1038
2007 Arsenic MCL 12 SDWIS / VA6153261 / 1005
2005 Coliform (TCR) MR 8 SDWIS / VA6153261 / 3100
2005 Coliform (TCR) MCL 4 SDWIS / VA6153261 / 3100
2004 cis-1,2-Dichloroethylene MR 4 SDWIS / VA6153261 / 2380
2004 o-Dichlorobenzene MR 4 SDWIS / VA6153261 / 2968
2004 p-Dichlorobenzene MR 4 SDWIS / VA6153261 / 2969
2004 Vinyl chloride MR 4 SDWIS / VA6153261 / 2976
2004 1,1-Dichloroethylene MR 4 SDWIS / VA6153261 / 2977
2004 trans-1,2-Dichloroethylene MR 4 SDWIS / VA6153261 / 2979
2004 Carbon tetrachloride MR 4 SDWIS / VA6153261 / 2982
2004 Trichloroethylene MR 4 SDWIS / VA6153261 / 2984

How Greenwich Presbyterian Preschool Compares

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

Metric Greenwich Presbyterian Preschool Virginia avg Federal benchmark
Total violations 126 52 SDWA compliance, any non-zero count is a recorded breach
Health-based violations 16 9.1 Indicates a contaminant exceeded a federal MCL
PFAS detection None 40.9% EPA final rule (2024): PFOA/PFOS MCL = 4.0 ppt
Population served 44 2,804 Sizing context for compliance burden

Sources: EPA SDWIS and EPA National Primary Drinking Water Regulations (40 CFR Part 141). State averages computed across 2,821 regulated public water systems in Virginia.

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 Greenwich Presbyterian Preschool water safe to drink?
Greenwich Presbyterian Preschool (PWS ID: VA6153261) has 126 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 44 people using Groundwater sources.
How many people does Greenwich Presbyterian Preschool serve?
Greenwich Presbyterian Preschool serves 44 people in Nokesville, Virginia. It is a Private-owned system using Groundwater water sources with 1 service connections.
What type of violations does Greenwich Presbyterian Preschool have?
Greenwich Presbyterian Preschool has 126 total violations: 16 health-based violations (MCL exceedances or treatment failures), 107 monitoring/reporting violations, and 0 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in Greenwich Presbyterian Preschool water?
No PFAS testing data is available for Greenwich Presbyterian Preschool under the EPA's UCMR5 monitoring program.
What water source does Greenwich Presbyterian Preschool use?
Greenwich Presbyterian Preschool uses Groundwater as its primary water source. It is classified as a Transient Non-Community Water System, serving transient populations.
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.
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.