EAST HELENA, MT · Lewis and Clark County
LA CASA GRANDE WATER AND SEWER DISTRICT Water System
Consumer Confidence Report status
LA CASA GRANDE WATER AND SEWER DISTRICT must publish a Consumer Confidence Report — the annual drinking water quality report covering calendar year 2026 — by July 1, 2027.
As of August 1, 2026, EPA's federal records show 1 item for LA CASA GRANDE WATER AND SEWER DISTRICT that is open and awaiting resolution. None are health-based violations — open items of this kind are most often monitoring or reporting requirements, not water-safety findings.
Data sourced from the EPA ECHO database (SDWA bulk download), last refreshed August 1, 2026. This is a record-keeping and public-information tool — it does not replace Montana’s official records. Always confirm current status with Montana before making decisions based on this information.
System facts
- System ID (PWSID)
- MT0001924
- System type
- Community Water System
- Population served
- 404
- Service connections
- 155
- Ownership
- privately owned
- Water source
- groundwater (wells)
LA CASA GRANDE WATER AND SEWER DISTRICT is one of 1,084 community water systems in Montana in the 500 or fewer people size category, serving 404 people from groundwater.
As of August 1, 2026, its federal record holds 8 entries between 1997 and 2024, of which 1 remains open; none are health-based.
Of the 8, 5 are monitoring and reporting requirements — the category that accounts for about four in five of all violations in EPA's national dataset — rather than findings about the water itself. The record involves the Lead and Copper Rule, the Consumer Confidence Rule, and inorganic chemicals.
Violation history
Follow-up Or Routine LCR Tap M/R
—Lead and Copper Rule
October 1, 2024 – September 30, 2024
ResolvedFollow-up Or Routine LCR Tap M/R
—Lead and Copper Rule
October 1, 2020 – August 17, 2021
ResolvedConsumer Confidence Report Complete Failure to Report
—Consumer Confidence Rule
July 1, 2014 – July 16, 2014
ResolvedConsumer Confidence Report Complete Failure to Report
—Consumer Confidence Rule
July 1, 2011 – October 3, 2011
ResolvedConsumer Confidence Report Complete Failure to Report
—Consumer Confidence Rule
July 1, 2008 – August 21, 2008
ResolvedFollow-up Or Routine LCR Tap M/R
—Lead and Copper Rule
October 1, 2007
UnaddressedMonitoring, Regular
—Nitrate-Nitrite
January 1, 2005 – December 31, 2005
ResolvedMonitoring, Regular
—Nitrate
January 1, 1997 – December 31, 1997
Resolved
Resolved addressed and confirmed by the stateUnaddressed no corrective action on record yet
| Period | Violation | Contaminant / rule | Health-based | Status |
|---|---|---|---|---|
| October 1, 2024 – September 30, 2024 | Follow-up Or Routine LCR Tap M/R | Lead and Copper Rule | — | Resolved |
| October 1, 2020 – August 17, 2021 | Follow-up Or Routine LCR Tap M/R | Lead and Copper Rule | — | Resolved |
| July 1, 2014 – July 16, 2014 | Consumer Confidence Report Complete Failure to Report | Consumer Confidence Rule | — | Resolved |
| July 1, 2011 – October 3, 2011 | Consumer Confidence Report Complete Failure to Report | Consumer Confidence Rule | — | Resolved |
| July 1, 2008 – August 21, 2008 | Consumer Confidence Report Complete Failure to Report | Consumer Confidence Rule | — | Resolved |
| October 1, 2007 | Follow-up Or Routine LCR Tap M/R | Lead and Copper Rule | — | Unaddressed |
| January 1, 2005 – December 31, 2005 | Monitoring, Regular | Nitrate-Nitrite | — | Resolved |
| January 1, 1997 – December 31, 1997 | Monitoring, Regular | Nitrate | — | Resolved |
Resolved addressed and confirmed by the stateUnaddressed no corrective action on record yet
Enforcement actions
- November 7, 2024State Public Notification requested2 linked violations
- November 7, 2024State Violation/Reminder Notice1 linked violation
- September 30, 2024State Compliance achieved1 linked violation
- August 17, 2021State Compliance achieved1 linked violation
- October 20, 2020State Violation/Reminder Notice2 linked violations
- October 20, 2020State Public Notification requested4 linked violations
- July 16, 2014State Compliance achieved2 linked violations
- August 1, 2011State Public Notification requested2 linked violations
- August 19, 2008State Public Notification received1 linked violation
- August 5, 2008State Violation/Reminder Notice1 linked violation
- August 5, 2008State Public Notification requested2 linked violations
- March 5, 2007State Compliance achieved4 linked violations
- November 1, 2003State Violation/Reminder Notice5 linked violations
- November 1, 2003State Public Notification requested26 linked violations
Common questions
Is LA CASA GRANDE WATER AND SEWER DISTRICT required to publish a Consumer Confidence Report?
- Yes. LA CASA GRANDE WATER AND SEWER DISTRICT is a community water system, and federal rules (40 CFR 141 Subpart O) require every community water system to publish a Consumer Confidence Report each year.
When is LA CASA GRANDE WATER AND SEWER DISTRICT’s next Consumer Confidence Report due?
- LA CASA GRANDE WATER AND SEWER DISTRICT’s next Consumer Confidence Report is due by July 1, 2027. The report covers calendar year 2026.
Does LA CASA GRANDE WATER AND SEWER DISTRICT have any open drinking water violations on record?
- As of August 1, 2026, EPA's federal records show 1 item for LA CASA GRANDE WATER AND SEWER DISTRICT that is open and awaiting resolution. None are health-based violations — open items of this kind are most often monitoring or reporting requirements, not water-safety findings.
What is a Consumer Confidence Report?
- A Consumer Confidence Report (CCR) is the annual drinking water quality report that community water systems must provide to the people they serve. It lists the contaminants detected in the system’s water during the year, where the water comes from, and how the results compare with federal limits. EPA’s revised CCR rule takes effect January 1, 2027, and the first reports in the new format are due July 1, 2027.
Contact
LEFERINK, SUE
406-439-5206
EAST HELENA, MT 59635