Public water system record
Antelope Valley I&S District (Avisd)
Serves Gillette, Campbell County, WY · 1,280 people served
Federal records show no health-based violations and 1 monitoring/reporting issue for Antelope Valley I&S District (Avisd) in the last ten years.
System profile
- Health-based violations, last 10 years
- 0
- Resolved
- 0
- Unresolved
- 0
- Any acute record
- No
- Monitoring issues, last 10 years
- 1
Key facts
- Antelope Valley I&S District (Avisd) draws water from 4 wells.
- Record on file since 1992, with 0 health-based violations before October 19, 2016.
- Lead pipe inventory: 0 lead and 336 unknown out of 336 service lines.
Check whether Antelope Valley I&S District (Avisd) 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.
None since October 2016.
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
|
Oct 1, 2018 | Resolved |
Full record since 1992
EPA's records for Antelope Valley I&S District (Avisd) go back to 1992. Before October 19, 2016 they list no health-based violations and 7 monitoring or reporting violations.
| Violations that began in | Health-based | Monitoring and reporting |
|---|---|---|
| 1990s | 0 | 6 |
| 2000s | 0 | 1 |
| October 19, 2016 to 2019 | 0 | 1 |
Where the water comes from
Antelope Valley I&S District (Avisd) draws water from 4 wells. It also has an emergency connection to City of Gillette. 1 other public water system has an emergency connection to Antelope Valley I&S District (Avisd).
Emergency or part-time connections to
- City of Gillette Gillette, WY
Annual water quality report
Antelope Valley I&S District (Avisd) 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.
Where the state allows it, systems serving fewer than 10,000 people may publish the report in a local newspaper or news site instead of mailing it, and must provide a copy on request.
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 EPA Region 8.
Certified drinking water labs by state EPA guidance for private wells