Public water system record
Town of Manville
Serves Manville, Niobrara County, WY · 97 people served
Federal records show 4 health-based violations and 124 monitoring/reporting issues for Town of Manville in the last ten years. The most serious issue in this window was a Combined Uranium violation that EPA lists as archived, not resolved.
System profile
- Health-based violations, last 10 years
- 4
- Resolved
- 0
- Unresolved
- 0
- Archived by EPA
- 4
- Any acute record
- No
- Monitoring issues, last 10 years
- 124
Key facts
- Town of Manville draws water from 2 wells.
- Highest measured level in the last 10 years: Combined Uranium, 35 µg/L, federal limit 30 µg/L (1.2 times the limit), 2017.
- Most recent formal enforcement: compliance order (no penalty) by EPA, April 2021.
- Record on file since 1976, with 38 health-based violations before October 19, 2016.
- Lead pipe inventory: 18 lead and 38 unknown out of 88 service lines.
Check whether Town of Manville 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 |
|---|---|---|---|---|
|
Combined Uranium
Contaminant limit exceeded
Measured 31 µg/L, federal limit 30 µg/L (at or just above the limit)
|
340 | Jul 1, 2017 |
Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
|
No |
|
Combined Uranium
Contaminant limit exceeded
Measured 35 µg/L, federal limit 30 µg/L (1.2 times the limit)
|
340 | Apr 1, 2017 |
Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
|
No |
|
Combined Uranium
Contaminant limit exceeded
|
340 | Jan 1, 2017 |
Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
|
No |
|
Combined Uranium
Contaminant limit exceeded
Measured 34 µg/L, federal limit 30 µg/L (1.1 times the limit)
|
340 | Oct 1, 2016 |
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 |
|---|---|---|
|
Chlorine
Monitoring and reporting
|
Jul 1, 2022 | Resolved |
|
Lead and Copper Rule
Monitoring and reporting
|
Sep 29, 2021 | Resolved |
|
Lead and Copper Rule
Monitoring and reporting
|
Jul 1, 2021 | Resolved |
|
Lead and Copper Rule
Monitoring and reporting
|
Apr 1, 2021 | Resolved |
|
Consumer Confidence Rule
OTHER
|
Oct 1, 2020 | Resolved |
|
Consumer Confidence Rule
OTHER
|
Jul 1, 2020 | Resolved |
|
Endrin
Monitoring and reporting
|
Jan 1, 2020 | Resolved |
|
Carbofuran
Monitoring and reporting
|
Jan 1, 2020 | Resolved |
|
LASSO
Monitoring and reporting
|
Jan 1, 2020 | Resolved |
|
Heptachlor
Monitoring and reporting
|
Jan 1, 2020 | Resolved |
|
Chlordane
Monitoring and reporting
|
Jan 1, 2020 | Resolved |
|
Diquat
Monitoring and reporting
|
Jan 1, 2020 | Resolved |
|
Di(2-ethylhexyl) phthalate
Monitoring and reporting
|
Jan 1, 2020 | Resolved |
|
Benzo(a)pyrene
Monitoring and reporting
|
Jan 1, 2020 | Resolved |
|
Dalapon
Monitoring and reporting
|
Jan 1, 2020 | Resolved |
|
Endothall
Monitoring and reporting
|
Jan 1, 2020 | Resolved |
|
OXAMYL
Monitoring and reporting
|
Jan 1, 2020 | Resolved |
|
HEXACHLOROBENZENE
Monitoring and reporting
|
Jan 1, 2020 | Resolved |
|
Methoxychlor
Monitoring and reporting
|
Jan 1, 2020 | Resolved |
|
Glyphosate
Monitoring and reporting
|
Jan 1, 2020 | Resolved |
|
Di(2-ethylhexyl) adipate
Monitoring and reporting
|
Jan 1, 2020 | Resolved |
|
Picloram
Monitoring and reporting
|
Jan 1, 2020 | Resolved |
|
Hexachlorocyclopentadiene
Monitoring and reporting
|
Jan 1, 2020 | Resolved |
|
Atrazine
Monitoring and reporting
|
Jan 1, 2020 | Resolved |
|
2,4,5-TP
Monitoring and reporting
|
Jan 1, 2020 | Resolved |
|
BHC-GAMMA
Monitoring and reporting
|
Jan 1, 2020 | Resolved |
|
Heptachlor epoxide
Monitoring and reporting
|
Jan 1, 2020 | Resolved |
|
2,4-D
Monitoring and reporting
|
Jan 1, 2020 | Resolved |
|
Pentachlorophenol
Monitoring and reporting
|
Jan 1, 2020 | Resolved |
|
Toxaphene
Monitoring and reporting
|
Jan 1, 2020 | Resolved |
|
Simazine
Monitoring and reporting
|
Jan 1, 2020 | Resolved |
|
Dinoseb
Monitoring and reporting
|
Jan 1, 2020 | Resolved |
|
1,2-DIBROMO-3-CHLOROPROPANE
Monitoring and reporting
|
Jan 1, 2020 | Resolved |
|
ETHYLENE DIBROMIDE
Monitoring and reporting
|
Jan 1, 2020 | Resolved |
|
Styrene
Monitoring and reporting
|
Jan 1, 2020 | Resolved |
|
Ethylbenzene
Monitoring and reporting
|
Jan 1, 2020 | Resolved |
|
Toluene
Monitoring and reporting
|
Jan 1, 2020 | Resolved |
|
Benzene
Monitoring and reporting
|
Jan 1, 2020 | Resolved |
|
CHLOROBENZENE
Monitoring and reporting
|
Jan 1, 2020 | Resolved |
|
Tetrachloroethylene
Monitoring and reporting
|
Jan 1, 2020 | Resolved |
|
1,1,2-Trichloroethane
Monitoring and reporting
|
Jan 1, 2020 | Resolved |
|
Trichloroethylene
Monitoring and reporting
|
Jan 1, 2020 | Resolved |
|
1,2-Dichloropropane
Monitoring and reporting
|
Jan 1, 2020 | Resolved |
|
Carbon tetrachloride
Monitoring and reporting
|
Jan 1, 2020 | Resolved |
|
1,1,1-Trichloroethane
Monitoring and reporting
|
Jan 1, 2020 | Resolved |
|
1,2-Dichloroethane
Monitoring and reporting
|
Jan 1, 2020 | Resolved |
|
trans-1,2-Dichloroethylene
Monitoring and reporting
|
Jan 1, 2020 | Resolved |
|
1,1-Dichloroethylene
Monitoring and reporting
|
Jan 1, 2020 | Resolved |
|
Vinyl chloride
Monitoring and reporting
|
Jan 1, 2020 | Resolved |
|
p-Dichlorobenzene
Monitoring and reporting
|
Jan 1, 2020 | Resolved |
|
o-Dichlorobenzene
Monitoring and reporting
|
Jan 1, 2020 | Resolved |
|
DICHLOROMETHANE
Monitoring and reporting
|
Jan 1, 2020 | Resolved |
|
Xylenes, Total
Monitoring and reporting
|
Jan 1, 2020 | Resolved |
|
cis-1,2-Dichloroethylene
Monitoring and reporting
|
Jan 1, 2020 | Resolved |
|
1,2,4-Trichlorobenzene
Monitoring and reporting
|
Jan 1, 2020 | Resolved |
|
Chlordane
Monitoring and reporting
|
Oct 1, 2019 | Resolved |
|
ETHYLENE DIBROMIDE
Monitoring and reporting
|
Oct 1, 2019 | Resolved |
|
1,2-DIBROMO-3-CHLOROPROPANE
Monitoring and reporting
|
Oct 1, 2019 | Resolved |
|
Pentachlorophenol
Monitoring and reporting
|
Oct 1, 2019 | Resolved |
|
Benzo(a)pyrene
Monitoring and reporting
|
Oct 1, 2019 | Resolved |
|
HEXACHLOROBENZENE
Monitoring and reporting
|
Oct 1, 2019 | Resolved |
|
2,4,5-TP
Monitoring and reporting
|
Oct 1, 2019 | Resolved |
|
2,4-D
Monitoring and reporting
|
Oct 1, 2019 | Resolved |
|
Heptachlor epoxide
Monitoring and reporting
|
Oct 1, 2019 | Resolved |
|
Heptachlor
Monitoring and reporting
|
Oct 1, 2019 | Resolved |
|
LASSO
Monitoring and reporting
|
Oct 1, 2019 | Resolved |
|
Atrazine
Monitoring and reporting
|
Oct 1, 2019 | Resolved |
|
Carbofuran
Monitoring and reporting
|
Oct 1, 2019 | Resolved |
|
Hexachlorocyclopentadiene
Monitoring and reporting
|
Oct 1, 2019 | Resolved |
|
Dinoseb
Monitoring and reporting
|
Oct 1, 2019 | Resolved |
|
Picloram
Monitoring and reporting
|
Oct 1, 2019 | Resolved |
|
Di(2-ethylhexyl) phthalate
Monitoring and reporting
|
Oct 1, 2019 | Resolved |
|
Simazine
Monitoring and reporting
|
Oct 1, 2019 | Resolved |
|
OXAMYL
Monitoring and reporting
|
Oct 1, 2019 | Resolved |
|
Di(2-ethylhexyl) adipate
Monitoring and reporting
|
Oct 1, 2019 | Resolved |
|
Glyphosate
Monitoring and reporting
|
Oct 1, 2019 | Resolved |
|
Endothall
Monitoring and reporting
|
Oct 1, 2019 | Resolved |
|
Diquat
Monitoring and reporting
|
Oct 1, 2019 | Resolved |
|
Dalapon
Monitoring and reporting
|
Oct 1, 2019 | Resolved |
|
Toxaphene
Monitoring and reporting
|
Oct 1, 2019 | Resolved |
|
Methoxychlor
Monitoring and reporting
|
Oct 1, 2019 | Resolved |
|
BHC-GAMMA
Monitoring and reporting
|
Oct 1, 2019 | Resolved |
|
Endrin
Monitoring and reporting
|
Oct 1, 2019 | Resolved |
|
Styrene
Monitoring and reporting
|
Oct 1, 2019 | Resolved |
|
Ethylbenzene
Monitoring and reporting
|
Oct 1, 2019 | Resolved |
|
Toluene
Monitoring and reporting
|
Oct 1, 2019 | Resolved |
|
Benzene
Monitoring and reporting
|
Oct 1, 2019 | Resolved |
|
CHLOROBENZENE
Monitoring and reporting
|
Oct 1, 2019 | Resolved |
|
Tetrachloroethylene
Monitoring and reporting
|
Oct 1, 2019 | Resolved |
|
1,1,2-Trichloroethane
Monitoring and reporting
|
Oct 1, 2019 | Resolved |
|
Trichloroethylene
Monitoring and reporting
|
Oct 1, 2019 | Resolved |
|
1,2-Dichloropropane
Monitoring and reporting
|
Oct 1, 2019 | Resolved |
|
Carbon tetrachloride
Monitoring and reporting
|
Oct 1, 2019 | Resolved |
|
1,1,1-Trichloroethane
Monitoring and reporting
|
Oct 1, 2019 | Resolved |
|
1,2-Dichloroethane
Monitoring and reporting
|
Oct 1, 2019 | Resolved |
|
trans-1,2-Dichloroethylene
Monitoring and reporting
|
Oct 1, 2019 | Resolved |
|
1,1-Dichloroethylene
Monitoring and reporting
|
Oct 1, 2019 | Resolved |
|
Vinyl chloride
Monitoring and reporting
|
Oct 1, 2019 | Resolved |
|
p-Dichlorobenzene
Monitoring and reporting
|
Oct 1, 2019 | Resolved |
|
o-Dichlorobenzene
Monitoring and reporting
|
Oct 1, 2019 | Resolved |
|
DICHLOROMETHANE
Monitoring and reporting
|
Oct 1, 2019 | Resolved |
|
Xylenes, Total
Monitoring and reporting
|
Oct 1, 2019 | Resolved |
|
cis-1,2-Dichloroethylene
Monitoring and reporting
|
Oct 1, 2019 | Resolved |
|
1,2,4-Trichlorobenzene
Monitoring and reporting
|
Oct 1, 2019 | Resolved |
|
Radium-228
Monitoring and reporting
|
Oct 1, 2019 | Resolved |
|
Radium-226
Monitoring and reporting
|
Oct 1, 2019 | Resolved |
|
Combined Radium (-226 and -228)
Monitoring and reporting
|
Oct 1, 2019 | Resolved |
|
Combined Uranium
Monitoring and reporting
|
Oct 1, 2019 | Resolved |
|
Gross Alpha, Excl. Radon and U
Monitoring and reporting
|
Oct 1, 2019 | Resolved |
|
Radium-228
Monitoring and reporting
|
Jul 1, 2019 | Resolved |
|
Radium-226
Monitoring and reporting
|
Jul 1, 2019 | Resolved |
|
Combined Radium (-226 and -228)
Monitoring and reporting
|
Jul 1, 2019 | Resolved |
|
Combined Uranium
Monitoring and reporting
|
Jul 1, 2019 | Resolved |
|
Gross Alpha, Excl. Radon and U
Monitoring and reporting
|
Jul 1, 2019 | Resolved |
|
Consumer Confidence Rule
OTHER
|
Jul 1, 2019 | Resolved |
|
Radium-228
Monitoring and reporting
|
Apr 1, 2019 | Resolved |
|
Radium-226
Monitoring and reporting
|
Apr 1, 2019 | Resolved |
|
Combined Radium (-226 and -228)
Monitoring and reporting
|
Apr 1, 2019 | Resolved |
|
Combined Uranium
Monitoring and reporting
|
Apr 1, 2019 | Resolved |
|
Gross Alpha, Excl. Radon and U
Monitoring and reporting
|
Apr 1, 2019 | Resolved |
|
Consumer Confidence Rule
OTHER
|
Oct 1, 2018 | Resolved |
|
Consumer Confidence Rule
OTHER
|
Jul 1, 2017 | Resolved |
|
Nitrate-Nitrite
Monitoring and reporting
|
Jan 1, 2016 | Resolved |
|
Consumer Confidence Rule
OTHER
|
Jul 1, 2011 |
Active
Enforcement action in place
|
Full record since 1976
EPA's records for Town of Manville go back to 1976. Before October 19, 2016 they list 38 health-based violations (1 resolved, 37 archived by EPA without a recorded fix) and 13 monitoring or reporting violations.
| Violations that began in | Health-based | Monitoring and reporting |
|---|---|---|
| 1970s | 0 | 2 |
| 2000s | 6 | 1 |
| 2010 to October 18, 2016 | 32 | 10 |
| October 19, 2016 to 2019 | 3 | 67 |
| 2020s | 0 | 55 |
Most recent health-based violation before October 19, 2016: Combined Uranium, began October 2016, Archived.
Show all 38 health-based violations before October 19, 2016
| Contaminant | Start date | Status |
|---|---|---|
|
Combined Uranium
Contaminant limit exceeded
Measured 34 µg/L, federal limit 30 µg/L (1.1 times the limit)
|
Oct 1, 2016 | Archived |
|
Combined Uranium
Contaminant limit exceeded
Measured 34 µg/L, federal limit 30 µg/L (1.1 times the limit)
|
Jul 1, 2016 | Archived |
|
Combined Uranium
Contaminant limit exceeded
|
Apr 1, 2016 | Archived |
|
Combined Uranium
Contaminant limit exceeded
|
Jan 1, 2016 | Archived |
|
Combined Uranium
Contaminant limit exceeded
|
Oct 1, 2015 | Archived |
|
Combined Uranium
Contaminant limit exceeded
|
Jul 1, 2015 | Archived |
|
Combined Uranium
Contaminant limit exceeded
|
Apr 1, 2015 | Archived |
|
Combined Uranium
Contaminant limit exceeded
|
Jan 1, 2015 | Archived |
|
Total Coliform
Contaminant limit exceeded
|
Jan 1, 2015 | Resolved |
|
Combined Uranium
Contaminant limit exceeded
|
Oct 1, 2014 | Archived |
|
Combined Uranium
Contaminant limit exceeded
|
Jul 1, 2014 | Archived |
|
Combined Uranium
Contaminant limit exceeded
|
Apr 1, 2014 | Archived |
|
Combined Uranium
Contaminant limit exceeded
|
Jan 1, 2014 | Archived |
|
Combined Uranium
Contaminant limit exceeded
|
Oct 1, 2013 | Archived |
|
Combined Uranium
Contaminant limit exceeded
|
Jul 1, 2013 | Archived |
|
Combined Uranium
Contaminant limit exceeded
|
Apr 1, 2013 | Archived |
|
Combined Uranium
Contaminant limit exceeded
|
Jan 1, 2013 | Archived |
|
Combined Uranium
Contaminant limit exceeded
|
Jul 1, 2012 | Archived |
|
Gross Alpha, Excl. Radon and U
Contaminant limit exceeded
Measured 20 pCi/L, federal limit 15 pCi/L (1.3 times the limit)
|
Jul 1, 2012 | Archived |
|
Gross Alpha, Excl. Radon and U
Contaminant limit exceeded
Measured 18 pCi/L, federal limit 15 pCi/L (1.2 times the limit)
|
Apr 1, 2012 | Archived |
|
Combined Uranium
Contaminant limit exceeded
|
Jan 1, 2012 | Archived |
|
Gross Alpha, Excl. Radon and U
Contaminant limit exceeded
Measured 18.6 pCi/L, federal limit 15 pCi/L (1.2 times the limit)
|
Jan 1, 2012 | Archived |
|
Combined Uranium
Contaminant limit exceeded
|
Oct 1, 2011 | Archived |
|
Combined Uranium
Contaminant limit exceeded
|
Jul 1, 2011 | Archived |
|
Gross Alpha, Excl. Radon and U
Contaminant limit exceeded
Measured 18 pCi/L, federal limit 15 pCi/L (1.2 times the limit)
|
Apr 1, 2011 | Archived |
|
Combined Uranium
Contaminant limit exceeded
|
Apr 1, 2011 | Archived |
|
Gross Alpha, Excl. Radon and U
Contaminant limit exceeded
Measured 19 pCi/L, federal limit 15 pCi/L (1.3 times the limit)
|
Jan 1, 2011 | Archived |
|
Combined Uranium
Contaminant limit exceeded
|
Jan 1, 2011 | Archived |
|
Gross Alpha, Excl. Radon and U
Contaminant limit exceeded
Measured 23 pCi/L, federal limit 15 pCi/L (1.5 times the limit)
|
Jul 1, 2010 | Archived |
|
Gross Alpha, Excl. Radon and U
Contaminant limit exceeded
Measured 25 pCi/L, federal limit 15 pCi/L (1.7 times the limit)
|
Apr 1, 2010 | Archived |
|
Combined Uranium
Contaminant limit exceeded
|
Apr 1, 2010 | Archived |
|
Combined Uranium
Contaminant limit exceeded
Measured 0.035 mg/L, federal limit 0.03 mg/L (1.2 times the limit)
|
Jan 1, 2010 | Archived |
|
Combined Uranium
Contaminant limit exceeded
Measured 0.039 mg/L, federal limit 0.03 mg/L (1.3 times the limit)
|
Oct 1, 2009 | Archived |
|
Combined Uranium
Contaminant limit exceeded
Measured 0.038 mg/L, federal limit 0.03 mg/L (1.3 times the limit)
|
Apr 1, 2009 | Archived |
|
Combined Uranium
Contaminant limit exceeded
Measured 0.039 mg/L, federal limit 0.03 mg/L (1.3 times the limit)
|
Oct 1, 2008 | Archived |
|
Combined Uranium
Contaminant limit exceeded
Measured 0.036 mg/L, federal limit 0.03 mg/L (1.2 times the limit)
|
Apr 1, 2008 | Archived |
|
Combined Uranium
Contaminant limit exceeded
Measured 0.045 mg/L, federal limit 0.03 mg/L (1.5 times the limit)
|
Jan 1, 2008 | Archived |
|
Combined Uranium
Contaminant limit exceeded
|
Jan 1, 2004 | Archived |
Enforcement actions
EPA took 4 formal enforcement actions against Town of Manville between 2010 and 2021. The most recent was a compliance order (no penalty) in April 2021.
| Date | By | Action | Violations covered |
|---|---|---|---|
| Apr 22, 2021 | EPA | Compliance order (no penalty) | 106 violations: Consumer Confidence Rule, Radium-228, Heptachlor epoxide, Atrazine, Di(2-ethylhexyl) adipate |
| Sep 26, 2017 | EPA | Compliance order (no penalty) | 1 violation: Nitrate-Nitrite |
| Jun 24, 2013 | EPA | Compliance order (no penalty) | 16 violations (11 health-based): Gross Alpha, Excl. Radon and U, Total Coliform, Combined Uranium, Radium-228, Radium-226 |
| Aug 27, 2010 | EPA | Compliance order (no penalty) | 30 violations (29 health-based): Combined Uranium, Consumer Confidence Rule |
What the violations mean
Combined Uranium
4 incidentsTest results for Combined Uranium were above the federal limit (a maximum contaminant level violation).
The utility had to notify customers about each of these violations.
Where the water comes from
Town of Manville draws water from 2 wells.
Annual water quality report
Town of Manville 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 Town of Manville 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 EPA Region 8.
Certified drinking water labs by state EPA guidance for private wells