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Community Water System · PWS WY5600181

Jade Mhc

Riverton, Wyoming 82501 - drinking water served from groundwater sources to 200 people, tracked in EPA SDWIS and UCMR5.

200
People served
367
EPA violations
9
Health-based
Untested
UCMR5 result

The verdict

EPA records 367 drinking-water violations at Jade Mhc, 2% of them health-based - above the Wyoming per-system average.

367
Total EPA violations on record
2%
Health-based (MCL / treatment failure)
200
People served by this system
N/A
PFAS compounds detected (UCMR5)

Water Quality Snapshot: Jade Mhc

Jade Mhc is a private-owned community water system that delivers drinking water to 200 residents in Riverton, Wyoming (Fremont County) through 72 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 367 total violations for this system , of which 9 (2%) are health-based, meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 345 monitoring and reporting violations are on file. The most recent violation on record dates to 2022.

The most frequently cited contaminant at this system is Coliform (TCR), recorded in 12 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 Wyoming, EPA tracks 766 public water systems serving 639,288 people, with 32,465 cumulative violations and 4,023 health-based violations on record. About 95% of systems in the state carry at least one violation, and state-wide the average per system is 42.4 violations. Statewide, 18 of 33 UCMR5-tested systems have reported PFAS detections (54.5%).

Jade Mhc's 367 violations sit above the Wyoming 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
200
Total Violations
367
Health-Based Violations
9
Water Source
Groundwater

System Details

System Type
Community
Owner Type
Private
Connections
72
County
Fremont
School/Daycare
No
MCL Violations
8
Monitoring Violations
345
Treatment Tech Violations
1

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Coliform (TCR) MR 12 2009
Consumer Confidence Rule Other 10 2018
Revised Total Coliform Rule MON 10 2018
Coliform (TCR) MCL 8 2005
Nitrate MR 7 2010
Gross Alpha, Excl. Radon and U MR 7 2018
Benzene MR 6 2008
Carbon tetrachloride MR 6 2008
1,2-Dichloroethane MR 6 2008
1,1-Dichloroethylene MR 6 2008
p-Dichlorobenzene MR 6 2008
Trichloroethylene MR 6 2008
Vinyl chloride MR 6 2008
cis-1,2-Dichloroethylene MR 6 2008
1,2-Dichloropropane MR 6 2008
CHLOROBENZENE MR 6 2008
o-Dichlorobenzene MR 6 2008
Xylenes, Total MR 6 2008
DICHLOROMETHANE MR 6 2008
1,2,4-Trichlorobenzene MR 6 2008
1,1,2-Trichloroethane MR 6 2008
1,1,1-Trichloroethane MR 6 2008
Tetrachloroethylene MR 6 2008
Toluene MR 6 2008
Ethylbenzene MR 6 2008
Endrin MR 6 2008
Methoxychlor MR 6 2008
BHC-GAMMA MR 6 2008
Lead and Copper Rule MR 6 2022
Toxaphene MR 6 2008

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 Jade Mhc.

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 WY5600181 on SDWIS

Source: EPA SDWIS Federal Reports Search

State Regulator

Wyoming Drinking Water Authority

Wyoming'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 WY 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
2022 Lead and Copper Rule MR 6 SDWIS / WY5600181 / 5000
2019 Groundwater Rule TT 1 SDWIS / WY5600181 / 0700
2018 Consumer Confidence Rule Other 10 SDWIS / WY5600181 / 7000
2018 Revised Total Coliform Rule MON 10 SDWIS / WY5600181 / 8000
2018 Gross Alpha, Excl. Radon and U MR 7 SDWIS / WY5600181 / 4000
2018 Combined Radium (-226 and -228) MR 2 SDWIS / WY5600181 / 4010
2018 Radium-228 MR 1 SDWIS / WY5600181 / 4030
2018 Combined Uranium MR 1 SDWIS / WY5600181 / 4006
2018 Radium-226 MR 1 SDWIS / WY5600181 / 4020
2017 Nitrate-Nitrite MR 2 SDWIS / WY5600181 / 1038
2010 Nitrate MR 7 SDWIS / WY5600181 / 1040
2009 Coliform (TCR) MR 12 SDWIS / WY5600181 / 3100
2008 Benzene MR 6 SDWIS / WY5600181 / 2990
2008 Carbon tetrachloride MR 6 SDWIS / WY5600181 / 2982
2008 1,2-Dichloroethane MR 6 SDWIS / WY5600181 / 2980

How Jade Mhc Compares

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

Metric Jade Mhc Wyoming avg Federal benchmark
Total violations 367 42.4 SDWA compliance, any non-zero count is a recorded breach
Health-based violations 9 5.3 Indicates a contaminant exceeded a federal MCL
PFAS detection None 54.5% EPA final rule (2024): PFOA/PFOS MCL = 4.0 ppt
Population served 200 835 Sizing context for compliance burden

Sources: EPA SDWIS and EPA National Primary Drinking Water Regulations (40 CFR Part 141). State averages computed across 766 regulated public water systems in Wyoming.

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 Jade Mhc water safe to drink? ▼
Jade Mhc (PWS ID: WY5600181) has 367 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 200 people using Groundwater sources.
How many people does Jade Mhc serve? ▼
Jade Mhc serves 200 people in Riverton, Wyoming. It is a Private-owned system using Groundwater water sources with 72 service connections.
What type of violations does Jade Mhc have? ▼
Jade Mhc has 367 total violations: 9 health-based violations (MCL exceedances or treatment failures), 345 monitoring/reporting violations, and 1 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in Jade Mhc water? ▼
No PFAS testing data is available for Jade Mhc under the EPA's UCMR5 monitoring program.
What water source does Jade Mhc use? ▼
Jade Mhc 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.