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ROCKRIMMON COUNTRY CLUB

PWS ID: CT1350042 · STAMFORD, Connecticut 06903

ROCKRIMMON COUNTRY CLUB serves 60 people in STAMFORD, Connecticut using Groundwater water sources. It has 109 recorded EPA violations, including 26 health-based violations. No PFAS contamination was detected in UCMR5 testing.

Water Quality Snapshot: ROCKRIMMON COUNTRY CLUB

ROCKRIMMON COUNTRY CLUB is a private-owned non-transient non-community water system that delivers drinking water to 60 residents in STAMFORD, Connecticut (Fairfield County) through 1 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 109 total violations for this system , of which 26 (24%) are health-based — meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 75 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 Lead and Copper Rule, recorded in 41 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 Connecticut, EPA tracks 2,332 public water systems serving 2,886,005 people, with 206,662 cumulative violations and 21,779 health-based violations on record. About 94% of systems in the state carry at least one violation, and state-wide the average per system is 88.6 violations. ROCKRIMMON COUNTRY CLUB's 109 violations sit above the Connecticut average. Statewide, 40 of 63 UCMR5-tested systems have reported PFAS detections (63.5%). 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
60
Total Violations
109
Health-Based Violations
26
Water Source
Groundwater

System Details

System Type
Non-Transient Non-Community
Owner Type
Private
Connections
1
County
Fairfield
School/Daycare
No
MCL Violations
7
Monitoring Violations
75
Treatment Tech Violations
19

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Lead and Copper Rule MR 41 2024
Nitrate MR 15 2021
Lead and Copper Rule TT 14 2023
Nitrite MR 9 2021
Coliform (TCR) MCL 7 2013
Public Notice Other 4 2015
Revised Total Coliform Rule TT 4 2017
E. COLI MR 4 2011
Revised Total Coliform Rule MON 4 2023
Coliform (TCR) MR 2 2003
LEAD AND COPPER RULE REVISIONS TT 1 2024
Lead and Copper Rule Other 1 1994
LEAD AND COPPER RULE REVISIONS RPT 1 2024

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 ROCKRIMMON COUNTRY CLUB.

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 CT1350042 on SDWIS

Source: EPA SDWIS Federal Reports Search

State Regulator

Connecticut Drinking Water Authority

Connecticut'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 CT 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
2024 Lead and Copper Rule MR 41 SDWIS / CT1350042 / 5000
2024 LEAD AND COPPER RULE REVISIONS TT 1 SDWIS / CT1350042 / 5200
2024 LEAD AND COPPER RULE REVISIONS RPT 1 SDWIS / CT1350042 / 5200
2023 Lead and Copper Rule TT 14 SDWIS / CT1350042 / 5000
2023 Revised Total Coliform Rule MON 4 SDWIS / CT1350042 / 8000
2021 Nitrate MR 15 SDWIS / CT1350042 / 1040
2021 Nitrite MR 9 SDWIS / CT1350042 / 1041
2017 Revised Total Coliform Rule TT 4 SDWIS / CT1350042 / 8000
2015 Public Notice Other 4 SDWIS / CT1350042 / 7500
2013 Coliform (TCR) MCL 7 SDWIS / CT1350042 / 3100
2011 E. COLI MR 4 SDWIS / CT1350042 / 3014
2003 Coliform (TCR) MR 2 SDWIS / CT1350042 / 3100
1994 Lead and Copper Rule Other 1 SDWIS / CT1350042 / 5000

How ROCKRIMMON COUNTRY CLUB Compares

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

Metric ROCKRIMMON COUNTRY CLUB Connecticut avg Federal benchmark
Total violations 109 88.6 SDWA compliance — any non-zero count is a recorded breach
Health-based violations 26 9.3 Indicates a contaminant exceeded a federal MCL
PFAS detection None 63.5% EPA final rule (2024): PFOA/PFOS MCL = 4.0 ppt
Population served 60 1,238 Sizing context for compliance burden

Sources: EPA SDWIS and EPA National Primary Drinking Water Regulations (40 CFR Part 141). State averages computed across 2,332 regulated public water systems in Connecticut.

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 ROCKRIMMON COUNTRY CLUB water safe to drink?
ROCKRIMMON COUNTRY CLUB (PWS ID: CT1350042) has 109 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 60 people using Groundwater sources.
How many people does ROCKRIMMON COUNTRY CLUB serve?
ROCKRIMMON COUNTRY CLUB serves 60 people in STAMFORD, Connecticut. It is a Private-owned system using Groundwater water sources with 1 service connections.
What type of violations does ROCKRIMMON COUNTRY CLUB have?
ROCKRIMMON COUNTRY CLUB has 109 total violations: 26 health-based violations (MCL exceedances or treatment failures), 75 monitoring/reporting violations, and 19 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in ROCKRIMMON COUNTRY CLUB water?
No PFAS testing data is available for ROCKRIMMON COUNTRY CLUB under the EPA's UCMR5 monitoring program.
What water source does ROCKRIMMON COUNTRY CLUB use?
ROCKRIMMON COUNTRY CLUB uses Groundwater as its primary water source. It is classified as a Non-Transient Non-Community Water System, serving the same people for at least 6 months per year.
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. 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