PlainWater
States08

ISLAND MOUNTAIN DEVELOPMENT GROUP

PWS ID: 083090040 · HAYS, 08 59527

ISLAND MOUNTAIN DEVELOPMENT GROUP serves 150 people in HAYS, 08 using Groundwater water sources. It has 6 recorded EPA violations, including 1 health-based violations. No PFAS contamination was detected in UCMR5 testing.

Water Quality Snapshot: ISLAND MOUNTAIN DEVELOPMENT GROUP

ISLAND MOUNTAIN DEVELOPMENT GROUP is a native american-owned non-transient non-community water system that delivers drinking water to 150 residents in HAYS, 08 through 1 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 6 total violations for this system , of which 1 (17%) 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 2023.

The most frequently cited contaminant at this system is Revised Total Coliform Rule, recorded in 2 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 08, EPA tracks 160 public water systems serving 144,980 people, with 13,068 cumulative violations and 1,547 health-based violations on record. About 96% of systems in the state carry at least one violation, and state-wide the average per system is 81.7 violations. ISLAND MOUNTAIN DEVELOPMENT GROUP's 6 violations sit below the 08 average. Statewide, 10 of 13 UCMR5-tested systems have reported PFAS detections (76.9%). 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
150
Total Violations
6
Health-Based Violations
1
Water Source
Groundwater

System Details

System Type
Non-Transient Non-Community
Owner Type
Native American
Connections
1
School/Daycare
No
MCL Violations
0
Monitoring Violations
5
Treatment Tech Violations
1

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Revised Total Coliform Rule MON 2 2019
Endothall MR 1 2020
Lead and Copper Rule MR 1 2021
Nitrate-Nitrite MR 1 2023
Long Term 2 Enhanced Surface Water Treatment Rule TT 1 2023

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 ISLAND MOUNTAIN DEVELOPMENT GROUP.

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 083090040 on SDWIS

Source: EPA SDWIS Federal Reports Search

State Regulator

08 Drinking Water Authority

08'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 08 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
2023 Nitrate-Nitrite MR 1 SDWIS / 083090040 / 1038
2023 Long Term 2 Enhanced Surface Water Treatment Rule TT 1 SDWIS / 083090040 / 0800
2021 Lead and Copper Rule MR 1 SDWIS / 083090040 / 5000
2020 Endothall MR 1 SDWIS / 083090040 / 2033
2019 Revised Total Coliform Rule MON 2 SDWIS / 083090040 / 8000

How ISLAND MOUNTAIN DEVELOPMENT GROUP Compares

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

Metric ISLAND MOUNTAIN DEVELOPMENT GROUP 08 avg Federal benchmark
Total violations 6 81.7 SDWA compliance — any non-zero count is a recorded breach
Health-based violations 1 9.7 Indicates a contaminant exceeded a federal MCL
PFAS detection None 76.9% EPA final rule (2024): PFOA/PFOS MCL = 4.0 ppt
Population served 150 906 Sizing context for compliance burden

Sources: EPA SDWIS and EPA National Primary Drinking Water Regulations (40 CFR Part 141). State averages computed across 160 regulated public water systems in 08.

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 ISLAND MOUNTAIN DEVELOPMENT GROUP water safe to drink?
ISLAND MOUNTAIN DEVELOPMENT GROUP (PWS ID: 083090040) has 6 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 150 people using Groundwater sources.
How many people does ISLAND MOUNTAIN DEVELOPMENT GROUP serve?
ISLAND MOUNTAIN DEVELOPMENT GROUP serves 150 people in HAYS, 08. It is a Native American-owned system using Groundwater water sources with 1 service connections.
What type of violations does ISLAND MOUNTAIN DEVELOPMENT GROUP have?
ISLAND MOUNTAIN DEVELOPMENT GROUP has 6 total violations: 1 health-based violations (MCL exceedances or treatment failures), 5 monitoring/reporting violations, and 1 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in ISLAND MOUNTAIN DEVELOPMENT GROUP water?
No PFAS testing data is available for ISLAND MOUNTAIN DEVELOPMENT GROUP under the EPA's UCMR5 monitoring program.
What water source does ISLAND MOUNTAIN DEVELOPMENT GROUP use?
ISLAND MOUNTAIN DEVELOPMENT GROUP 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.

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