PlainWater

CASTAWAYS

PWS ID: NC0392839 · CLAYTON, North Carolina 27520

CASTAWAYS serves 61 people in CLAYTON, North Carolina using Groundwater water sources. It has 203 recorded EPA violations, including 4 health-based violations. No PFAS contamination was detected in UCMR5 testing.

Water Quality Snapshot: CASTAWAYS

CASTAWAYS is a private-owned transient non-community water system that delivers drinking water to 61 residents in CLAYTON, North Carolina (Wake County) through 1 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 203 total violations for this system , of which 4 (2%) are health-based — meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 150 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 Coliform (TCR), recorded in 119 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 North Carolina, EPA tracks 5,020 public water systems serving 9,877,724 people, with 524,053 cumulative violations and 38,492 health-based violations on record. About 93% of systems in the state carry at least one violation, and state-wide the average per system is 104.4 violations. CASTAWAYS's 203 violations sit above the North Carolina average. Statewide, 174 of 287 UCMR5-tested systems have reported PFAS detections (60.6%). 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
61
Total Violations
203
Health-Based Violations
4
Water Source
Groundwater

System Details

System Type
Transient Non-Community
Owner Type
Private
Connections
1
County
Wake
School/Daycare
No
MCL Violations
4
Monitoring Violations
150
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Coliform (TCR) MR 119 2014
Public Notice Other 49 2018
Revised Total Coliform Rule MON 16 2024
Nitrate MR 12 2007
Coliform (TCR) MCL 4 2012
Nitrite MR 3 1999

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 CASTAWAYS.

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 NC0392839 on SDWIS

Source: EPA SDWIS Federal Reports Search

State Regulator

North Carolina Drinking Water Authority

North Carolina DEQ — Public Water Supply Section is the primacy agency that licenses and inspects CASTAWAYS under EPA-delegated authority.

Open NC regulator portal

Source: North Carolina DEQ — Public Water Supply Section

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 Revised Total Coliform Rule MON 16 SDWIS / NC0392839 / 8000
2018 Public Notice Other 49 SDWIS / NC0392839 / 7500
2014 Coliform (TCR) MR 119 SDWIS / NC0392839 / 3100
2012 Coliform (TCR) MCL 4 SDWIS / NC0392839 / 3100
2007 Nitrate MR 12 SDWIS / NC0392839 / 1040
1999 Nitrite MR 3 SDWIS / NC0392839 / 1041

How CASTAWAYS Compares

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

Metric CASTAWAYS North Carolina avg Federal benchmark
Total violations 203 104.4 SDWA compliance — any non-zero count is a recorded breach
Health-based violations 4 7.7 Indicates a contaminant exceeded a federal MCL
PFAS detection None 60.6% EPA final rule (2024): PFOA/PFOS MCL = 4.0 ppt
Population served 61 1,968 Sizing context for compliance burden

Sources: EPA SDWIS and EPA National Primary Drinking Water Regulations (40 CFR Part 141). State averages computed across 5,020 regulated public water systems in North Carolina.

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 CASTAWAYS water safe to drink?
CASTAWAYS (PWS ID: NC0392839) has 203 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 61 people using Groundwater sources.
How many people does CASTAWAYS serve?
CASTAWAYS serves 61 people in CLAYTON, North Carolina. It is a Private-owned system using Groundwater water sources with 1 service connections.
What type of violations does CASTAWAYS have?
CASTAWAYS has 203 total violations: 4 health-based violations (MCL exceedances or treatment failures), 150 monitoring/reporting violations, and 0 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in CASTAWAYS water?
No PFAS testing data is available for CASTAWAYS under the EPA's UCMR5 monitoring program.
What water source does CASTAWAYS use?
CASTAWAYS 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.

Explore PlainWater

Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025. This data is provided for informational purposes only.

Related

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