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Community Water System · PWS NC0392351

Cross Creek MHP

Cary, North Carolina 27511 - drinking water served from groundwater sources to 467 people, tracked in EPA SDWIS and UCMR5.

467
People served
143
EPA violations
94
Health-based
Untested
UCMR5 result

The verdict

EPA records 143 drinking-water violations at Cross Creek MHP, 66% of them health-based - above the North Carolina per-system average.

143
Total EPA violations on record
66%
Health-based (MCL / treatment failure)
467
People served by this system
N/A
PFAS compounds detected (UCMR5)

Water Quality Snapshot: Cross Creek MHP

Cross Creek MHP is a private-owned community water system that delivers drinking water to 467 residents in Cary, North Carolina (Wake County) through 184 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 143 total violations for this system , of which 94 (66%) are health-based, meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 18 monitoring and reporting violations are on file. The most recent violation on record dates to 2006.

The most frequently cited contaminant at this system is Combined Radium (-226 and -228), recorded in 79 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 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. Statewide, 174 of 287 UCMR5-tested systems have reported PFAS detections (60.6%).

Cross Creek MHP's 143 violations sit above the North Carolina 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
467
Total Violations
143
Health-Based Violations
94
Water Source
Groundwater

System Details

System Type
Community
Owner Type
Private
Connections
184
County
Wake
School/Daycare
No
MCL Violations
94
Monitoring Violations
18
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Combined Radium (-226 and -228) MCL 79 2006
Public Notice Other 24 2006
Gross Alpha, Excl. Radon and U MCL 15 2002
Nitrate MR 7 1999
Combined Radium (-226 and -228) MR 6 2002
Consumer Confidence Rule Other 4 2002
Nitrite MR 3 1999
Gross Alpha, Excl. Radon and U MR 2 1986

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 Cross Creek MHP.

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 NC0392351 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 Cross Creek MHP 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
2006 Combined Radium (-226 and -228) MCL 79 SDWIS / NC0392351 / 4010
2006 Public Notice Other 24 SDWIS / NC0392351 / 7500
2002 Gross Alpha, Excl. Radon and U MCL 15 SDWIS / NC0392351 / 4000
2002 Combined Radium (-226 and -228) MR 6 SDWIS / NC0392351 / 4010
2002 Consumer Confidence Rule Other 4 SDWIS / NC0392351 / 7000
1999 Nitrate MR 7 SDWIS / NC0392351 / 1040
1999 Nitrite MR 3 SDWIS / NC0392351 / 1041
1986 Gross Alpha, Excl. Radon and U MR 2 SDWIS / NC0392351 / 4000

How Cross Creek MHP Compares

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

Metric Cross Creek MHP North Carolina avg Federal benchmark
Total violations 143 104.4 SDWA compliance, any non-zero count is a recorded breach
Health-based violations 94 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 467 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 (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 Cross Creek MHP water safe to drink? ▼
Cross Creek MHP (PWS ID: NC0392351) has 143 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 467 people using Groundwater sources.
How many people does Cross Creek MHP serve? ▼
Cross Creek MHP serves 467 people in Cary, North Carolina. It is a Private-owned system using Groundwater water sources with 184 service connections.
What type of violations does Cross Creek MHP have? ▼
Cross Creek MHP has 143 total violations: 94 health-based violations (MCL exceedances or treatment failures), 18 monitoring/reporting violations, and 0 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in Cross Creek MHP water? ▼
No PFAS testing data is available for Cross Creek MHP under the EPA's UCMR5 monitoring program.
What water source does Cross Creek MHP use? ▼
Cross Creek MHP 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.