Public water system record
Richland Co Valley View WUA
Serves an area of Richland County, MT that includes Sidney · 85 people served
Federal records show 10 health-based violations and 12 monitoring/reporting issues for Richland Co Valley View WUA in the last ten years, including an unresolved Total Trihalomethanes (TTHMs) violation.
System profile
- Health-based violations, last 10 years
- 10
- Resolved
- 0
- Unresolved
- 1
- Archived by EPA
- 9
- Any acute record
- No
- Monitoring issues, last 10 years
- 12
Key facts
- Richland Co Valley View WUA draws water from 2 wells.
- Highest measured level in the last 10 years: Total Trihalomethanes (TTHMs), 0.141 mg/L, federal limit 0.08 mg/L (1.8 times the limit), 2024.
- Most recent formal enforcement: civil case concluded by Montana, August 2008.
- Record on file since 1978, with 14 health-based violations before October 19, 2016.
- Lead pipe inventory: 0 lead and 14 unknown out of 36 service lines.
Check whether Richland Co Valley View WUA serves your address
Health-based violations
Since October 2016Violation data reflects EPA records through March 2026. For the most current status, visit the EPA ECHO database.
| Contaminant | Rule family | Start date | Status | Acute |
|---|---|---|---|---|
|
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.117 mg/L, federal limit 0.08 mg/L (1.5 times the limit)
|
220 | Jan 1, 2026 | Active | No |
|
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.115 mg/L, federal limit 0.08 mg/L (1.4 times the limit)
|
220 | Oct 1, 2025 |
Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
|
No |
|
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.108 mg/L, federal limit 0.08 mg/L (1.4 times the limit)
|
220 | Jul 1, 2025 |
Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
|
No |
|
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.137 mg/L, federal limit 0.08 mg/L (1.7 times the limit)
|
220 | Apr 1, 2025 |
Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
|
No |
|
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.1 mg/L, federal limit 0.08 mg/L (1.3 times the limit)
|
220 | Jan 1, 2025 |
Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
|
No |
|
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 105 µg/L, federal limit 80 µg/L (1.3 times the limit)
|
220 | Oct 1, 2024 |
Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
|
No |
|
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 110 µg/L, federal limit 80 µg/L (1.4 times the limit)
|
220 | Jul 1, 2024 |
Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
|
No |
|
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.115 mg/L, federal limit 0.08 mg/L (1.4 times the limit)
|
220 | Apr 1, 2024 |
Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
|
No |
|
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.141 mg/L, federal limit 0.08 mg/L (1.8 times the limit)
|
220 | Jan 1, 2024 |
Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
|
No |
|
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.139 mg/L, federal limit 0.08 mg/L (1.7 times the limit)
|
220 | Oct 1, 2023 |
Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
|
No |
Monitoring and reporting issues
Since October 2016Missed tests or reports, not contaminants found above a limit.
| Issue | Start date | Status |
|---|---|---|
|
Revised Total Coliform Rule
Monitoring violation
|
Sep 1, 2024 | Resolved |
|
Consumer Confidence Rule
OTHER
|
Jul 1, 2024 | Resolved |
|
Revised Total Coliform Rule
Monitoring violation
|
Apr 1, 2024 | Resolved |
|
Lead and Copper Rule
Monitoring and reporting
|
Oct 1, 2021 | Resolved |
|
Consumer Confidence Rule
OTHER
|
Oct 1, 2021 | Resolved |
|
Consumer Confidence Rule
OTHER
|
Jul 1, 2021 | Resolved |
|
E. coli
Monitoring and reporting
|
Oct 7, 2020 | Resolved |
|
Consumer Confidence Rule
OTHER
|
Oct 1, 2020 | Resolved |
|
Consumer Confidence Rule
OTHER
|
Jul 1, 2020 | Resolved |
|
Lead and Copper Rule
Monitoring and reporting
|
Oct 1, 2017 | Resolved |
|
Fluoride
Monitoring and reporting
|
Jan 1, 2017 | Resolved |
|
Nitrate-Nitrite
Monitoring and reporting
|
Jan 1, 2017 | Resolved |
Full record since 1978
EPA's records for Richland Co Valley View WUA go back to 1978. Before October 19, 2016 they list 14 health-based violations (13 resolved, 1 archived by EPA without a recorded fix) and 91 monitoring or reporting violations.
| Violations that began in | Health-based | Monitoring and reporting |
|---|---|---|
| 1970s | 1 | 0 |
| 1980s | 2 | 8 |
| 1990s | 2 | 63 |
| 2000s | 8 | 15 |
| 2010 to October 18, 2016 | 1 | 5 |
| October 19, 2016 to 2019 | 0 | 3 |
| 2020s | 10 | 9 |
Most recent health-based violation before October 19, 2016: Total Coliform, began October 2012, Resolved.
Show all 14 health-based violations before October 19, 2016
| Contaminant | Start date | Status |
|---|---|---|
|
Total Coliform
Contaminant limit exceeded
|
Oct 1, 2012 | Resolved |
|
Fluoride
Contaminant limit exceeded
Measured 5.4 mg/L, federal limit 4 mg/L (1.4 times the limit)
|
Oct 1, 2003 | Resolved |
|
Fluoride
Contaminant limit exceeded
Measured 5.3 mg/L, federal limit 4 mg/L (1.3 times the limit)
|
Jul 1, 2003 | Resolved |
|
Fluoride
Contaminant limit exceeded
Measured 5.3 mg/L, federal limit 4 mg/L (1.3 times the limit)
|
Apr 1, 2003 | Resolved |
|
Total Coliform
Contaminant limit exceeded
|
Feb 1, 2003 | Resolved |
|
Fluoride
Contaminant limit exceeded
Measured 5.3 mg/L, federal limit 4 mg/L (1.3 times the limit)
|
Jan 1, 2003 | Resolved |
|
Fluoride
Contaminant limit exceeded
Measured 5.2 mg/L, federal limit 4 mg/L (1.3 times the limit)
|
Oct 1, 2002 | Resolved |
|
Fluoride
Contaminant limit exceeded
Measured 5.2 mg/L, federal limit 4 mg/L (1.3 times the limit)
|
Jul 1, 2002 | Resolved |
|
Fluoride
Contaminant limit exceeded
Measured 5 mg/L, federal limit 4 mg/L (1.3 times the limit)
|
Jan 1, 2002 | Resolved |
|
Fluoride
Contaminant limit exceeded
Measured 5.1 mg/L, federal limit 4 mg/L (1.3 times the limit)
|
Jan 1, 1999 | Resolved |
|
Fluoride
Contaminant limit exceeded
Measured 5.2 mg/L, federal limit 4 mg/L (1.3 times the limit)
|
Jan 1, 1999 | Resolved |
|
Fluoride
Contaminant limit exceeded
|
Feb 7, 1985 | Resolved |
|
Fluoride
Contaminant limit exceeded
|
May 6, 1982 | Resolved |
|
Fluoride
Contaminant limit exceeded
|
Jan 31, 1978 | Archived |
Enforcement actions
Montana regulators and EPA took 6 formal enforcement actions against Richland Co Valley View WUA between 1990 and 2008. The most recent was a civil case concluded in August 2008.
| Date | By | Action | Violations covered |
|---|---|---|---|
| Aug 12, 2008 | Montana | Civil case concluded | 4 violations: Haloacetic Acids (HAA5), Total Trihalomethanes (TTHMs) |
| Jan 10, 2007 | EPA | Compliance order (no penalty) | 49 violations (5 health-based): 2,4-D, Total Polychlorinated Biphenyls (PCB), Total Coliform, Fluoride, ETHYLENE DIBROMIDE |
| Apr 29, 2003 | Montana | Consent decree or court judgment | 1 violation: Lead and Copper Rule |
| Apr 3, 2001 | Montana | Civil case filed in court | 20 violations: Lead and Copper Rule, Total Coliform, Mercury, Chromium (total), Cadmium |
| Dec 29, 2000 | Montana | Civil case filed in court | 1 violation: Lead and Copper Rule |
| Oct 12, 1990 | EPA | Compliance order (no penalty) | 2 violations (2 health-based): Fluoride |
What the violations mean
Total Trihalomethanes (TTHMs)
10 incidentsDisinfection byproduct levels exceeded the federal limit
Long-term TTHM exposure may increase bladder cancer risk
Where the water comes from
Richland Co Valley View WUA draws water from 2 wells.
Annual water quality report
Richland Co Valley View WUA must give its customers an annual water quality report (Consumer Confidence Report) by July 1, with the levels its tests found in the previous year.
Systems serving 500 or fewer people may meet the rule by telling customers the report is available on request, so you may need to ask Richland Co Valley View WUA for a copy.
Find a posted report with EPA's Consumer Confidence Report search
Testing your own water
To test the water at your tap, or a private well this record does not cover, use a laboratory certified for drinking water by Montana.
Certified drinking water labs by state EPA guidance for private wells