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Community Water System · PWS MT0000514

Richland Co Valley View Wua

Sidney, Montana 59270 - drinking water served from groundwater sources to 85 people, tracked in EPA SDWIS and UCMR5.

85
People served
486
EPA violations
80
Health-based
Untested
UCMR5 result

The verdict

EPA records 486 drinking-water violations at Richland Co Valley View Wua, 16% of them health-based - above the Montana per-system average.

486
Total EPA violations on record
16%
Health-based (MCL / treatment failure)
85
People served by this system
N/A
PFAS compounds detected (UCMR5)

Water Quality Snapshot: Richland Co Valley View Wua

Richland Co Valley View Wua is a local-owned community water system that delivers drinking water to 85 residents in Sidney, Montana (Richland County) through 33 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 486 total violations for this system , of which 80 (16%) are health-based, meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 378 monitoring and reporting violations are on file. The most recent violation on record dates to 2025.

The most frequently cited contaminant at this system is Coliform (TCR), recorded in 66 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 Montana, EPA tracks 2,263 public water systems serving 1,112,267 people, with 297,270 cumulative violations and 25,922 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 131.4 violations. Statewide, 28 of 45 UCMR5-tested systems have reported PFAS detections (62.2%).

Richland Co Valley View Wua's 486 violations sit above the Montana 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
85
Total Violations
486
Health-Based Violations
80
Water Source
Groundwater

System Details

System Type
Community
Owner Type
Local
Connections
33
County
Richland
School/Daycare
No
MCL Violations
80
Monitoring Violations
378
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Coliform (TCR) MR 66 2012
Fluoride MCL 38 2003
Lead and Copper Rule MR 30 2021
TTHM MCL 30 2025
Consumer Confidence Rule Other 21 2024
Fluoride MR 14 2017
Total Haloacetic Acids (HAA5) MR 14 2005
Coliform (TCR) MCL 12 2012
TTHM MR 12 2005
E. COLI MR 9 2020
Barium MR 7 1999
Arsenic MR 7 1999
Selenium MR 7 1999
Revised Total Coliform Rule MON 7 2024
Mercury MR 7 1999
Chromium MR 7 1999
Cadmium MR 7 1999
Nitrate-Nitrite MR 6 2017
BHC-GAMMA MR 5 1999
Methoxychlor MR 5 1999
Dalapon MR 5 1999
Di(2-ethylhexyl) adipate MR 5 1999
OXAMYL MR 5 1999
Picloram MR 5 1999
Aldicarb sulfoxide MR 5 1999
Aldicarb sulfone MR 5 1999
Heptachlor MR 5 1999
Heptachlor epoxide MR 5 1999
2,4-D MR 5 1999
Total Polychlorinated Biphenyls (PCB) MR 5 1999

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 Richland Co Valley View Wua.

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 MT0000514 on SDWIS

Source: EPA SDWIS Federal Reports Search

State Regulator

Montana Drinking Water Authority

Montana'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 MT 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
2025 TTHM MCL 30 SDWIS / MT0000514 / 2950
2024 Consumer Confidence Rule Other 21 SDWIS / MT0000514 / 7000
2024 Revised Total Coliform Rule MON 7 SDWIS / MT0000514 / 8000
2021 Lead and Copper Rule MR 30 SDWIS / MT0000514 / 5000
2020 E. COLI MR 9 SDWIS / MT0000514 / 3014
2017 Fluoride MR 14 SDWIS / MT0000514 / 1025
2017 Nitrate-Nitrite MR 6 SDWIS / MT0000514 / 1038
2012 Coliform (TCR) MR 66 SDWIS / MT0000514 / 3100
2012 Coliform (TCR) MCL 12 SDWIS / MT0000514 / 3100
2005 Total Haloacetic Acids (HAA5) MR 14 SDWIS / MT0000514 / 2456
2005 TTHM MR 12 SDWIS / MT0000514 / 2950
2003 Fluoride MCL 38 SDWIS / MT0000514 / 1025
1999 Barium MR 7 SDWIS / MT0000514 / 1010
1999 Arsenic MR 7 SDWIS / MT0000514 / 1005
1999 Selenium MR 7 SDWIS / MT0000514 / 1045

How Richland Co Valley View Wua Compares

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

Metric Richland Co Valley View Wua Montana avg Federal benchmark
Total violations 486 131.4 SDWA compliance, any non-zero count is a recorded breach
Health-based violations 80 11.5 Indicates a contaminant exceeded a federal MCL
PFAS detection None 62.2% EPA final rule (2024): PFOA/PFOS MCL = 4.0 ppt
Population served 85 492 Sizing context for compliance burden

Sources: EPA SDWIS and EPA National Primary Drinking Water Regulations (40 CFR Part 141). State averages computed across 2,263 regulated public water systems in Montana.

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 Richland Co Valley View Wua water safe to drink? ▼
Richland Co Valley View Wua (PWS ID: MT0000514) has 486 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 85 people using Groundwater sources.
How many people does Richland Co Valley View Wua serve? ▼
Richland Co Valley View Wua serves 85 people in Sidney, Montana. It is a Local-owned system using Groundwater water sources with 33 service connections.
What type of violations does Richland Co Valley View Wua have? ▼
Richland Co Valley View Wua has 486 total violations: 80 health-based violations (MCL exceedances or treatment failures), 378 monitoring/reporting violations, and 0 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in Richland Co Valley View Wua water? ▼
No PFAS testing data is available for Richland Co Valley View Wua under the EPA's UCMR5 monitoring program.
What water source does Richland Co Valley View Wua use? ▼
Richland Co Valley View Wua 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.