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Community Water System · PWS VA6047075

Erinbrook

Amissville, Virginia 20106-2018 - drinking water served from groundwater sources to 85 people, tracked in EPA SDWIS and UCMR5.

85
People served
785
EPA violations
111
Health-based
Untested
UCMR5 result

The verdict

EPA records 785 drinking-water violations at Erinbrook, 14% of them health-based - above the Virginia per-system average.

785
Total EPA violations on record
14%
Health-based (MCL / treatment failure)
85
People served by this system
N/A
PFAS compounds detected (UCMR5)

Water Quality Snapshot: Erinbrook

Erinbrook is a private-owned community water system that delivers drinking water to 85 residents in Amissville, Virginia (Culpeper County) through 37 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 785 total violations for this system , of which 111 (14%) are health-based, meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 647 monitoring and reporting violations are on file. The most recent violation on record dates to 2019.

The most frequently cited contaminant at this system is Combined Radium (-226 and -228), recorded in 89 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%).

Erinbrook's 785 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
85
Total Violations
785
Health-Based Violations
111
Water Source
Groundwater

System Details

System Type
Community
Owner Type
Private
Connections
37
County
Culpeper
School/Daycare
No
MCL Violations
111
Monitoring Violations
647
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Combined Radium (-226 and -228) MCL 89 2019
Combined Radium (-226 and -228) MR 63 2007
Coliform (TCR) MR 29 2005
Gross Alpha, Excl. Radon and U MR 27 2006
Combined Uranium MR 27 2006
Nitrate MR 24 2005
Consumer Confidence Rule Other 21 2006
Gross Alpha, Excl. Radon and U MCL 16 2006
Lead and Copper Rule MR 15 2005
o-Dichlorobenzene MR 14 2004
p-Dichlorobenzene MR 14 2004
Vinyl chloride MR 14 2004
1,1-Dichloroethylene MR 14 2004
Carbon tetrachloride MR 14 2004
1,2-Dichloropropane MR 14 2004
1,1,2-Trichloroethane MR 14 2004
Toluene MR 14 2004
Styrene MR 14 2004
Arsenic MR 14 2004
Barium MR 14 2004
Mercury MR 14 2004
Thallium, Total MR 14 2004
Selenium MR 14 2004
Cadmium MR 14 2004
Nickel MR 14 2004
Beryllium, Total MR 14 2004
1,2,4-Trichlorobenzene MR 14 2004
cis-1,2-Dichloroethylene MR 14 2004
Xylenes, Total MR 14 2004
DICHLOROMETHANE MR 14 2004

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 Erinbrook.

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 VA6047075 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 Erinbrook 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
2019 Combined Radium (-226 and -228) MCL 89 SDWIS / VA6047075 / 4010
2007 Combined Radium (-226 and -228) MR 63 SDWIS / VA6047075 / 4010
2006 Gross Alpha, Excl. Radon and U MR 27 SDWIS / VA6047075 / 4000
2006 Combined Uranium MR 27 SDWIS / VA6047075 / 4006
2006 Consumer Confidence Rule Other 21 SDWIS / VA6047075 / 7000
2006 Gross Alpha, Excl. Radon and U MCL 16 SDWIS / VA6047075 / 4000
2005 Coliform (TCR) MR 29 SDWIS / VA6047075 / 3100
2005 Nitrate MR 24 SDWIS / VA6047075 / 1040
2005 Lead and Copper Rule MR 15 SDWIS / VA6047075 / 5000
2005 TTHM MR 6 SDWIS / VA6047075 / 2950
2005 Total Haloacetic Acids (HAA5) MR 6 SDWIS / VA6047075 / 2456
2004 o-Dichlorobenzene MR 14 SDWIS / VA6047075 / 2968
2004 p-Dichlorobenzene MR 14 SDWIS / VA6047075 / 2969
2004 Vinyl chloride MR 14 SDWIS / VA6047075 / 2976
2004 1,1-Dichloroethylene MR 14 SDWIS / VA6047075 / 2977

How Erinbrook Compares

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

Metric Erinbrook Virginia avg Federal benchmark
Total violations 785 52 SDWA compliance, any non-zero count is a recorded breach
Health-based violations 111 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 85 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 Erinbrook water safe to drink? ▼
Erinbrook (PWS ID: VA6047075) has 785 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 85 people using Groundwater sources.
How many people does Erinbrook serve? ▼
Erinbrook serves 85 people in Amissville, Virginia. It is a Private-owned system using Groundwater water sources with 37 service connections.
What type of violations does Erinbrook have? ▼
Erinbrook has 785 total violations: 111 health-based violations (MCL exceedances or treatment failures), 647 monitoring/reporting violations, and 0 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in Erinbrook water? ▼
No PFAS testing data is available for Erinbrook under the EPA's UCMR5 monitoring program.
What water source does Erinbrook use? ▼
Erinbrook 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.