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Non-Transient Non-Community Water System · PWS VA6059292

Clifton Presby. Church Preschool

Clifton, Virginia 20124 - drinking water served from groundwater sources to 45 people, tracked in EPA SDWIS and UCMR5.

45
People served
64
EPA violations
2
Health-based
Untested
UCMR5 result

The verdict

EPA records 64 drinking-water violations at Clifton Presby. Church Preschool, 3% of them health-based - above the Virginia per-system average.

64
Total EPA violations on record
3%
Health-based (MCL / treatment failure)
45
People served by this system
N/A
PFAS compounds detected (UCMR5)

Water Quality Snapshot: Clifton Presby. Church Preschool

Clifton Presby. Church Preschool is a private-owned non-transient non-community water system that delivers drinking water to 45 residents in Clifton, Virginia (Fairfax County) through 2 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 64 total violations for this system , of which 2 (3%) are health-based, meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 62 monitoring and reporting violations are on file. The most recent violation on record dates to 2025.

The most frequently cited contaminant at this system is Coliform (TCR), recorded in 33 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 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%).

Clifton Presby. Church Preschool's 64 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
45
Total Violations
64
Health-Based Violations
2
Water Source
Groundwater

System Details

System Type
Non-Transient Non-Community
Owner Type
Private
Connections
2
County
Fairfax
School/Daycare
Yes
MCL Violations
2
Monitoring Violations
62
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Coliform (TCR) MR 33 2013
Total Haloacetic Acids (HAA5) MR 8 2021
Lead and Copper Rule MR 7 2024
TTHM MR 7 2021
Chlorine MR 6 2025
Coliform (TCR) MCL 2 1992
Nitrate MR 1 1979

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 Clifton Presby. Church 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 VA6059292 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 Clifton Presby. Church 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
2025 Chlorine MR 6 SDWIS / VA6059292 / 0999
2024 Lead and Copper Rule MR 7 SDWIS / VA6059292 / 5000
2021 Total Haloacetic Acids (HAA5) MR 8 SDWIS / VA6059292 / 2456
2021 TTHM MR 7 SDWIS / VA6059292 / 2950
2013 Coliform (TCR) MR 33 SDWIS / VA6059292 / 3100
1992 Coliform (TCR) MCL 2 SDWIS / VA6059292 / 3100
1979 Nitrate MR 1 SDWIS / VA6059292 / 1040

How Clifton Presby. Church Preschool Compares

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

Metric Clifton Presby. Church Preschool Virginia avg Federal benchmark
Total violations 64 52 SDWA compliance, any non-zero count is a recorded breach
Health-based violations 2 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 45 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 Clifton Presby. Church Preschool water safe to drink? ▼
Clifton Presby. Church Preschool (PWS ID: VA6059292) has 64 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 45 people using Groundwater sources.
How many people does Clifton Presby. Church Preschool serve? ▼
Clifton Presby. Church Preschool serves 45 people in Clifton, Virginia. It is a Private-owned system using Groundwater water sources with 2 service connections.
What type of violations does Clifton Presby. Church Preschool have? ▼
Clifton Presby. Church Preschool has 64 total violations: 2 health-based violations (MCL exceedances or treatment failures), 62 monitoring/reporting violations, and 0 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in Clifton Presby. Church Preschool water? ▼
No PFAS testing data is available for Clifton Presby. Church Preschool under the EPA's UCMR5 monitoring program.
What water source does Clifton Presby. Church Preschool use? ▼
Clifton Presby. Church Preschool uses Groundwater as its primary water source. It is classified as a Non-Transient Non-Community Water System, serving the same people for at least 6 months per year.
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.