PlainWater

HOLLY OAK MOBILE HOME PARK

PWS ID: DE0000568 · DELMAR, Delaware 21875

HOLLY OAK MOBILE HOME PARK serves 210 people in DELMAR, Delaware using Groundwater water sources. It has 31 recorded EPA violations, including 14 health-based violations. No PFAS contamination was detected in UCMR5 testing.

Water Quality Snapshot: HOLLY OAK MOBILE HOME PARK

HOLLY OAK MOBILE HOME PARK is a private-owned community water system that delivers drinking water to 210 residents in DELMAR, Delaware (Sussex County) through 71 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 31 total violations for this system , of which 14 (45%) are health-based — meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 5 monitoring and reporting violations are on file. The most recent violation on record dates to 2014.

The most frequently cited contaminant at this system is Coliform (TCR), recorded in 14 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 Delaware, EPA tracks 460 public water systems serving 1,083,630 people, with 9,105 cumulative violations and 4,582 health-based violations on record. About 75% of systems in the state carry at least one violation, and state-wide the average per system is 19.8 violations. HOLLY OAK MOBILE HOME PARK's 31 violations sit above the Delaware average. Statewide, 25 of 35 UCMR5-tested systems have reported PFAS detections (71.4%). 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
210
Total Violations
31
Health-Based Violations
14
Water Source
Groundwater

System Details

System Type
Community
Owner Type
Private
Connections
71
County
Sussex
School/Daycare
No
MCL Violations
14
Monitoring Violations
5
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Coliform (TCR) MCL 14 2014
Lead and Copper Rule MR 5 2007

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 HOLLY OAK MOBILE HOME PARK.

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 DE0000568 on SDWIS

Source: EPA SDWIS Federal Reports Search

State Regulator

Delaware Drinking Water Authority

Delaware's primacy agency administers the Safe Drinking Water Act locally. Search EPA SDWIS for the current state contact, or use the state's public health or environment department portal.

Find DE regulator via EPA SDWIS

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
2014 Coliform (TCR) MCL 14 SDWIS / DE0000568 / 3100
2007 Lead and Copper Rule MR 5 SDWIS / DE0000568 / 5000

How HOLLY OAK MOBILE HOME PARK Compares

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

Metric HOLLY OAK MOBILE HOME PARK Delaware avg Federal benchmark
Total violations 31 19.8 SDWA compliance — any non-zero count is a recorded breach
Health-based violations 14 10 Indicates a contaminant exceeded a federal MCL
PFAS detection None 71.4% EPA final rule (2024): PFOA/PFOS MCL = 4.0 ppt
Population served 210 2,356 Sizing context for compliance burden

Sources: EPA SDWIS and EPA National Primary Drinking Water Regulations (40 CFR Part 141). State averages computed across 460 regulated public water systems in Delaware.

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 HOLLY OAK MOBILE HOME PARK water safe to drink?
HOLLY OAK MOBILE HOME PARK (PWS ID: DE0000568) has 31 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 210 people using Groundwater sources.
How many people does HOLLY OAK MOBILE HOME PARK serve?
HOLLY OAK MOBILE HOME PARK serves 210 people in DELMAR, Delaware. It is a Private-owned system using Groundwater water sources with 71 service connections.
What type of violations does HOLLY OAK MOBILE HOME PARK have?
HOLLY OAK MOBILE HOME PARK has 31 total violations: 14 health-based violations (MCL exceedances or treatment failures), 5 monitoring/reporting violations, and 0 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in HOLLY OAK MOBILE HOME PARK water?
No PFAS testing data is available for HOLLY OAK MOBILE HOME PARK under the EPA's UCMR5 monitoring program.
What water source does HOLLY OAK MOBILE HOME PARK use?
HOLLY OAK MOBILE HOME PARK 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.

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 Kiznis Studio Editorial