Public water system record
City of Lewistown
Serves Lewistown, Fergus County, MT · 5,923 people served
Federal records show no health-based violations and 59 monitoring/reporting issues for City of Lewistown 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
- 59
Key facts
- City of Lewistown draws water from 1 spring.
- Most recent formal enforcement: compliance order (no penalty) by Montana, August 2016.
- Record on file since 1981, with 24 health-based violations before October 19, 2016.
- Lead pipe inventory: 0 lead and 2,264 unknown out of 3,086 service lines.
Check whether City of Lewistown 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 |
|---|---|---|
|
Consumer Confidence Rule
OTHER
|
Jul 1, 2025 | Resolved |
|
E. coli
Monitoring and reporting
|
Nov 15, 2017 | Resolved |
|
Consumer Confidence Rule
OTHER
|
Jul 1, 2017 | Resolved |
|
E. coli
Monitoring and reporting
|
Nov 23, 2016 | Resolved |
|
Styrene
Monitoring and reporting
|
Jan 1, 2014 | Resolved |
|
Ethylbenzene
Monitoring and reporting
|
Jan 1, 2014 | Resolved |
|
Toluene
Monitoring and reporting
|
Jan 1, 2014 | Resolved |
|
Benzene
Monitoring and reporting
|
Jan 1, 2014 | Resolved |
|
CHLOROBENZENE
Monitoring and reporting
|
Jan 1, 2014 | Resolved |
|
Tetrachloroethylene
Monitoring and reporting
|
Jan 1, 2014 | Resolved |
|
1,1,2-Trichloroethane
Monitoring and reporting
|
Jan 1, 2014 | Resolved |
|
Trichloroethylene
Monitoring and reporting
|
Jan 1, 2014 | Resolved |
|
1,2-Dichloropropane
Monitoring and reporting
|
Jan 1, 2014 | Resolved |
|
Carbon tetrachloride
Monitoring and reporting
|
Jan 1, 2014 | Resolved |
|
1,1,1-Trichloroethane
Monitoring and reporting
|
Jan 1, 2014 | Resolved |
|
1,2-Dichloroethane
Monitoring and reporting
|
Jan 1, 2014 | Resolved |
|
trans-1,2-Dichloroethylene
Monitoring and reporting
|
Jan 1, 2014 | Resolved |
|
1,1-Dichloroethylene
Monitoring and reporting
|
Jan 1, 2014 | Resolved |
|
Vinyl chloride
Monitoring and reporting
|
Jan 1, 2014 | Resolved |
|
p-Dichlorobenzene
Monitoring and reporting
|
Jan 1, 2014 | Resolved |
|
o-Dichlorobenzene
Monitoring and reporting
|
Jan 1, 2014 | Resolved |
|
DICHLOROMETHANE
Monitoring and reporting
|
Jan 1, 2014 | Resolved |
|
Xylenes, Total
Monitoring and reporting
|
Jan 1, 2014 | Resolved |
|
cis-1,2-Dichloroethylene
Monitoring and reporting
|
Jan 1, 2014 | Resolved |
|
1,2,4-Trichlorobenzene
Monitoring and reporting
|
Jan 1, 2014 | Resolved |
|
Chlordane
Monitoring and reporting
|
Jan 1, 2014 | Resolved |
|
Pentachlorophenol
Monitoring and reporting
|
Jan 1, 2014 | Resolved |
|
Benzo(a)pyrene
Monitoring and reporting
|
Jan 1, 2014 | Resolved |
|
HEXACHLOROBENZENE
Monitoring and reporting
|
Jan 1, 2014 | Resolved |
|
2,4,5-TP
Monitoring and reporting
|
Jan 1, 2014 | Resolved |
|
2,4-D
Monitoring and reporting
|
Jan 1, 2014 | Resolved |
|
Heptachlor epoxide
Monitoring and reporting
|
Jan 1, 2014 | Resolved |
|
Heptachlor
Monitoring and reporting
|
Jan 1, 2014 | Resolved |
|
LASSO
Monitoring and reporting
|
Jan 1, 2014 | Resolved |
|
Atrazine
Monitoring and reporting
|
Jan 1, 2014 | Resolved |
|
Carbofuran
Monitoring and reporting
|
Jan 1, 2014 | Resolved |
|
Hexachlorocyclopentadiene
Monitoring and reporting
|
Jan 1, 2014 | Resolved |
|
Dinoseb
Monitoring and reporting
|
Jan 1, 2014 | Resolved |
|
Picloram
Monitoring and reporting
|
Jan 1, 2014 | Resolved |
|
Di(2-ethylhexyl) phthalate
Monitoring and reporting
|
Jan 1, 2014 | Resolved |
|
Simazine
Monitoring and reporting
|
Jan 1, 2014 | Resolved |
|
OXAMYL
Monitoring and reporting
|
Jan 1, 2014 | Resolved |
|
Di(2-ethylhexyl) adipate
Monitoring and reporting
|
Jan 1, 2014 | Resolved |
|
Dalapon
Monitoring and reporting
|
Jan 1, 2014 | Resolved |
|
Toxaphene
Monitoring and reporting
|
Jan 1, 2014 | Resolved |
|
Methoxychlor
Monitoring and reporting
|
Jan 1, 2014 | Resolved |
|
BHC-GAMMA
Monitoring and reporting
|
Jan 1, 2014 | Resolved |
|
Endrin
Monitoring and reporting
|
Jan 1, 2014 | Resolved |
|
Selenium
Monitoring and reporting
|
Jan 1, 2014 | Resolved |
|
Thallium, Total
Monitoring and reporting
|
Jan 1, 2014 | Resolved |
|
Beryllium, Total
Monitoring and reporting
|
Jan 1, 2014 | Resolved |
|
Antimony, Total
Monitoring and reporting
|
Jan 1, 2014 | Resolved |
|
Nickel
Monitoring and reporting
|
Jan 1, 2014 | Resolved |
|
Mercury
Monitoring and reporting
|
Jan 1, 2014 | Resolved |
|
Fluoride
Monitoring and reporting
|
Jan 1, 2014 | Resolved |
|
Chromium (total)
Monitoring and reporting
|
Jan 1, 2014 | Resolved |
|
Cadmium
Monitoring and reporting
|
Jan 1, 2014 | Resolved |
|
Barium
Monitoring and reporting
|
Jan 1, 2014 | Resolved |
|
Arsenic
Monitoring and reporting
|
Jan 1, 2014 | Resolved |
Full record since 1981
EPA's records for City of Lewistown go back to 1981. Before October 19, 2016 they list 24 health-based violations (19 resolved, 5 archived by EPA without a recorded fix) and 133 monitoring or reporting violations.
| Violations that began in | Health-based | Monitoring and reporting |
|---|---|---|
| 1980s | 0 | 8 |
| 1990s | 3 | 16 |
| 2000s | 10 | 52 |
| 2010 to October 18, 2016 | 11 | 57 |
| October 19, 2016 to 2019 | 0 | 3 |
| 2020s | 0 | 1 |
Most recent health-based violation before October 19, 2016: Total Coliform, began March 2016, Resolved.
Show all 24 health-based violations before October 19, 2016
| Contaminant | Start date | Status |
|---|---|---|
|
Total Coliform
Contaminant limit exceeded
|
Mar 1, 2016 | Resolved |
|
Total Coliform
Contaminant limit exceeded
|
Dec 1, 2015 | Resolved |
|
Total Coliform
Contaminant limit exceeded
|
Oct 1, 2015 | Archived |
|
Total Coliform
Contaminant limit exceeded
|
Sep 1, 2015 | Archived |
|
Total Coliform
Contaminant limit exceeded
|
Nov 1, 2014 | Archived |
|
Total Coliform
Contaminant limit exceeded
|
Oct 1, 2014 | Archived |
|
Total Coliform
Contaminant limit exceeded
|
Sep 1, 2014 | Archived |
|
Total Coliform
Contaminant limit exceeded
|
Oct 1, 2012 | Resolved |
|
Total Coliform
Contaminant limit exceeded
|
Oct 1, 2011 | Resolved |
|
Total Coliform
Contaminant limit exceeded
|
Jan 1, 2011 | Resolved |
|
Total Coliform
Contaminant limit exceeded
|
Sep 1, 2010 | Resolved |
|
Total Coliform
Contaminant limit exceeded
|
Sep 1, 2007 | Resolved |
|
Total Coliform
Contaminant limit exceeded
|
Dec 1, 2006 | Resolved |
|
Total Coliform
Contaminant limit exceeded
|
Sep 1, 2006 | Resolved |
|
Total Coliform
Contaminant limit exceeded
|
Jul 1, 2006 | Resolved |
|
Total Coliform
Contaminant limit exceeded
|
Jun 1, 2006 | Resolved |
|
Total Coliform
Contaminant limit exceeded
|
Sep 1, 2005 | Resolved |
|
Total Coliform
Contaminant limit exceeded
|
Aug 1, 2005 | Resolved |
|
Total Coliform
Contaminant limit exceeded
|
Oct 1, 2004 | Resolved |
|
Total Coliform
Contaminant limit exceeded
|
Oct 1, 2002 | Resolved |
|
Total Coliform
Contaminant limit exceeded
|
Oct 1, 2001 | Resolved |
|
Total Coliform
Contaminant limit exceeded
|
Nov 1, 1998 | Resolved |
|
Total Coliform (acute)
Contaminant limit exceeded
|
Jun 1, 1997 | Resolved |
|
Total Coliform
Contaminant limit exceeded
|
Sep 1, 1995 | Resolved |
Enforcement actions
Montana regulators took 1 formal enforcement action against City of Lewistown in 2016. The most recent was a compliance order (no penalty) in August 2016.
| Date | By | Action | Violations covered |
|---|---|---|---|
| Aug 19, 2016 | Montana | Compliance order (no penalty) | 7 violations (7 health-based): Total Coliform |
Where the water comes from
City of Lewistown draws water from 1 spring. 1 other community water system and 1 smaller public system such as schools, businesses or campgrounds buy water from City of Lewistown.
Community systems that buy water from it
- Mountain Acres MB HM Pk Lincoln, MT
Annual water quality report
City of Lewistown 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 Montana.
Certified drinking water labs by state EPA guidance for private wells