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CARROLL REGIONAL WATER SYSTEM

PWS ID: VA1035088 · HILLSVILLE, Virginia 24343

CARROLL REGIONAL WATER SYSTEM serves 7,500 people in HILLSVILLE, Virginia using Surface Water water sources. It has 97 recorded EPA violations, including 14 health-based violations. No PFAS contamination was detected in UCMR5 testing.

Water Quality Snapshot: CARROLL REGIONAL WATER SYSTEM

CARROLL REGIONAL WATER SYSTEM is a local-owned community water system that delivers drinking water to 7,500 residents in HILLSVILLE, Virginia (Carroll County) through 3,296 service connections. Its water is drawn from surface water sources. EPA's Safe Drinking Water Information System records 97 total violations for this system , of which 14 (14%) are health-based — meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 80 monitoring and reporting violations are on file. The most recent violation on record dates to 2023.

The most frequently cited contaminant at this system is Gross Alpha, Excl. Radon and U, recorded in 17 violations (MR). This system was sampled under EPA's UCMR5 PFAS monitoring program and no PFAS compounds were detected above the minimum reporting level.

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. CARROLL REGIONAL WATER SYSTEM's 97 violations sit above the Virginia average. Statewide, 70 of 171 UCMR5-tested systems have reported PFAS detections (40.9%). 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
7,500
Total Violations
97
Health-Based Violations
14
Water Source
Surface Water

System Details

System Type
Community
Owner Type
Local
Connections
3,296
County
Carroll
School/Daycare
No
MCL Violations
12
Monitoring Violations
80
Treatment Tech Violations
2

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Gross Alpha, Excl. Radon and U MR 17 2021
Combined Radium (-226 and -228) MR 17 2021
Combined Uranium MR 16 2021
Combined Radium (-226 and -228) MCL 10 2008
Nitrate-Nitrite MR 8 2022
TTHM MR 7 2023
Total Haloacetic Acids (HAA5) MR 7 2023
Coliform (TCR) MR 4 2010
Lead and Copper Rule MR 4 2022
Lead and Copper Rule TT 2 1997
Gross Alpha, Excl. Radon and U MCL 2 1996

PFAS Testing Results (UCMR5)

Results from EPA's Fifth Unregulated Contaminant Monitoring Rule. 0 of 180 samples detected PFAS.

Contaminant Date Result MRL Status
HFPO-DA 7/24/2024 <0.005 µg/L 0.005 µg/L Not Detected
PFBA 7/24/2024 <0.005 µg/L 0.005 µg/L Not Detected
6:2 FTS 7/24/2024 <0.005 µg/L 0.005 µg/L Not Detected
4:2 FTS 7/24/2024 <0.003 µg/L 0.003 µg/L Not Detected
8:2 FTS 7/24/2024 <0.005 µg/L 0.005 µg/L Not Detected
PFMPA 7/24/2024 <0.004 µg/L 0.004 µg/L Not Detected
PFEESA 7/24/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFTA 7/24/2024 <0.008 µg/L 0.008 µg/L Not Detected
9Cl-PF3ONS 7/24/2024 <0.002 µg/L 0.002 µg/L Not Detected
PFTrDA 7/24/2024 <0.007 µg/L 0.007 µg/L Not Detected
NEtFOSAA 7/24/2024 <0.005 µg/L 0.005 µg/L Not Detected
NMeFOSAA 7/24/2024 <0.006 µg/L 0.006 µg/L Not Detected
PFPeA 7/24/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFOA 7/24/2024 <0.004 µg/L 0.004 µg/L Not Detected
PFBS 7/24/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFHxS 7/24/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFMBA 7/24/2024 <0.003 µg/L 0.003 µg/L Not Detected
NFDHA 7/24/2024 <0.02 µg/L 0.02 µg/L Not Detected
PFPeS 7/24/2024 <0.004 µg/L 0.004 µg/L Not Detected
PFHpS 7/24/2024 <0.003 µg/L 0.003 µg/L Not Detected
ADONA 7/24/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFOS 7/24/2024 <0.004 µg/L 0.004 µg/L Not Detected
PFHpA 7/24/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFDA 7/24/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFDoA 7/24/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFHxA 7/24/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFUnA 7/24/2024 <0.002 µg/L 0.002 µg/L Not Detected
11Cl-PF3OUdS 7/24/2024 <0.005 µg/L 0.005 µg/L Not Detected
lithium 7/24/2024 <9 µg/L 9 µg/L Not Detected
PFNA 7/24/2024 <0.004 µg/L 0.004 µg/L Not Detected
NFDHA 7/24/2024 <0.02 µg/L 0.02 µg/L Not Detected
PFPeS 7/24/2024 <0.004 µg/L 0.004 µg/L Not Detected
PFHpS 7/24/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFNA 7/24/2024 <0.004 µg/L 0.004 µg/L Not Detected
PFBS 7/24/2024 <0.003 µg/L 0.003 µg/L Not Detected
lithium 7/24/2024 <9 µg/L 9 µg/L Not Detected
PFOS 7/24/2024 <0.004 µg/L 0.004 µg/L Not Detected
9Cl-PF3ONS 7/24/2024 <0.002 µg/L 0.002 µg/L Not Detected
PFHxA 7/24/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFUnA 7/24/2024 <0.002 µg/L 0.002 µg/L Not Detected
11Cl-PF3OUdS 7/24/2024 <0.005 µg/L 0.005 µg/L Not Detected
PFEESA 7/24/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFHpA 7/24/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFTrDA 7/24/2024 <0.007 µg/L 0.007 µg/L Not Detected
NEtFOSAA 7/24/2024 <0.005 µg/L 0.005 µg/L Not Detected
NMeFOSAA 7/24/2024 <0.006 µg/L 0.006 µg/L Not Detected
PFTA 7/24/2024 <0.008 µg/L 0.008 µg/L Not Detected
PFMBA 7/24/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFHxS 7/24/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFOA 7/24/2024 <0.004 µg/L 0.004 µg/L Not Detected

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 CARROLL REGIONAL WATER SYSTEM.

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 VA1035088 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 CARROLL REGIONAL WATER SYSTEM 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
2023 TTHM MR 7 SDWIS / VA1035088 / 2950
2023 Total Haloacetic Acids (HAA5) MR 7 SDWIS / VA1035088 / 2456
2022 Nitrate-Nitrite MR 8 SDWIS / VA1035088 / 1038
2022 Lead and Copper Rule MR 4 SDWIS / VA1035088 / 5000
2021 Gross Alpha, Excl. Radon and U MR 17 SDWIS / VA1035088 / 4000
2021 Combined Radium (-226 and -228) MR 17 SDWIS / VA1035088 / 4010
2021 Combined Uranium MR 16 SDWIS / VA1035088 / 4006
2010 Coliform (TCR) MR 4 SDWIS / VA1035088 / 3100
2008 Combined Radium (-226 and -228) MCL 10 SDWIS / VA1035088 / 4010
1997 Lead and Copper Rule TT 2 SDWIS / VA1035088 / 5000
1996 Gross Alpha, Excl. Radon and U MCL 2 SDWIS / VA1035088 / 4000

How CARROLL REGIONAL WATER SYSTEM Compares

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

Metric CARROLL REGIONAL WATER SYSTEM Virginia avg Federal benchmark
Total violations 97 52 SDWA compliance — any non-zero count is a recorded breach
Health-based violations 14 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 7,500 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
Nitrate (as N) 10 mg/L Acute health risk for infants

Frequently Asked Questions

Is CARROLL REGIONAL WATER SYSTEM water safe to drink? ▼
CARROLL REGIONAL WATER SYSTEM (PWS ID: VA1035088) has 97 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 7,500 people using Surface Water sources.
How many people does CARROLL REGIONAL WATER SYSTEM serve? ▼
CARROLL REGIONAL WATER SYSTEM serves 7,500 people in HILLSVILLE, Virginia. It is a Local-owned system using Surface Water water sources with 3,296 service connections.
What type of violations does CARROLL REGIONAL WATER SYSTEM have? ▼
CARROLL REGIONAL WATER SYSTEM has 97 total violations: 14 health-based violations (MCL exceedances or treatment failures), 80 monitoring/reporting violations, and 2 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in CARROLL REGIONAL WATER SYSTEM water? ▼
No. CARROLL REGIONAL WATER SYSTEM was tested for PFAS under the EPA's UCMR5 monitoring program and no PFAS contamination was detected.
What water source does CARROLL REGIONAL WATER SYSTEM use? ▼
CARROLL REGIONAL WATER SYSTEM uses Surface Water 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.

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Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025. PFAS data from EPA UCMR5 monitoring program (2023-2025). This data is provided for informational purposes only.

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

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Data sourced from $official public datasets. See our methodology for details. Retrieved and formatted by Kiznis Studio Editorial