PlainWater

Transient Non-Community Water System · PWS TX0040056

Hidden Oaks RV Resort

Rockport, Texas 78382-7995 - drinking water served from groundwater sources to 183 people, tracked in EPA SDWIS and UCMR5.

183
People served
83
EPA violations
0
Health-based
Untested
UCMR5 result

The verdict

EPA records 83 drinking-water violations at Hidden Oaks RV Resort - below the Texas per-system average.

83
Total EPA violations on record
0%
Health-based (MCL / treatment failure)
183
People served by this system
N/A
PFAS compounds detected (UCMR5)

Water Quality Snapshot: Hidden Oaks RV Resort

Hidden Oaks RV Resort is a private-owned transient non-community water system that delivers drinking water to 183 residents in Rockport, Texas (Aransas County) through 61 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 83 total violations for this system , of which 0 (0%) are health-based, meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 63 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 Revised Total Coliform Rule, recorded in 36 violations (MON). This system has not yet been sampled under EPA's UCMR5 PFAS monitoring program, so no PFAS detection data is available here.

Across Texas, EPA tracks 7,351 public water systems serving 33,253,313 people, with 746,210 cumulative violations and 162,945 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 101.5 violations. Statewide, 1,068 of 1,147 UCMR5-tested systems have reported PFAS detections (93.1%).

Hidden Oaks RV Resort's 83 violations sit below the Texas 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
183
Total Violations
83
Health-Based Violations
0
Water Source
Groundwater

System Details

System Type
Transient Non-Community
Owner Type
Private
Connections
61
County
Aransas
School/Daycare
No
MCL Violations
0
Monitoring Violations
63
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Revised Total Coliform Rule MON 36 2023
Coliform (TCR) MR 23 2014
Public Notice Other 19 2023
E. COLI MR 4 2016

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 Hidden Oaks RV Resort.

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 TX0040056 on SDWIS

Source: EPA SDWIS Federal Reports Search

State Regulator

Texas Drinking Water Authority

Texas Commission on Environmental Quality (TCEQ) - Drinking Water Watch is the primacy agency that licenses and inspects Hidden Oaks RV Resort under EPA-delegated authority.

Open TX regulator portal

Source: Texas Commission on Environmental Quality (TCEQ) - Drinking Water Watch

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 Revised Total Coliform Rule MON 36 SDWIS / TX0040056 / 8000
2023 Public Notice Other 19 SDWIS / TX0040056 / 7500
2016 E. COLI MR 4 SDWIS / TX0040056 / 3014
2014 Coliform (TCR) MR 23 SDWIS / TX0040056 / 3100

How Hidden Oaks RV Resort Compares

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

Metric Hidden Oaks RV Resort Texas avg Federal benchmark
Total violations 83 101.5 SDWA compliance, any non-zero count is a recorded breach
Health-based violations 0 22.2 Indicates a contaminant exceeded a federal MCL
PFAS detection None 93.1% EPA final rule (2024): PFOA/PFOS MCL = 4.0 ppt
Population served 183 4,524 Sizing context for compliance burden

Sources: EPA SDWIS and EPA National Primary Drinking Water Regulations (40 CFR Part 141). State averages computed across 7,351 regulated public water systems in Texas.

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 Hidden Oaks RV Resort water safe to drink?
Hidden Oaks RV Resort (PWS ID: TX0040056) has 83 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 183 people using Groundwater sources.
How many people does Hidden Oaks RV Resort serve?
Hidden Oaks RV Resort serves 183 people in Rockport, Texas. It is a Private-owned system using Groundwater water sources with 61 service connections.
What type of violations does Hidden Oaks RV Resort have?
Hidden Oaks RV Resort has 83 total violations: 0 health-based violations (MCL exceedances or treatment failures), 63 monitoring/reporting violations, and 0 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in Hidden Oaks RV Resort water?
No PFAS testing data is available for Hidden Oaks RV Resort under the EPA's UCMR5 monitoring program.
What water source does Hidden Oaks RV Resort use?
Hidden Oaks RV Resort 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.
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025. This data is provided for informational purposes only.
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.