Public water system record

Green Tank Irr District 11

Serves College Place, Walla Walla County, WA · 553 people served

Federal records show no health-based violations and 85 monitoring/reporting issues for Green Tank Irr District 11 in the last ten years.

  • WA5329550
  • WALLA WALLA
  • WA
  • 553 served

System profile

Source water Groundwater
ZIP 99362
EPA system ID WA5329550

Verify this system on EPA ECHO →

Health-based violations, last 10 years
0
Resolved
0
Unresolved
0
Any acute record
No
Monitoring issues, last 10 years
85

Key facts

  • Green Tank Irr District 11 draws water from 3 wells (1 of them for emergency, seasonal or other part-time use).
  • Record on file since 1979, with 2 health-based violations before October 19, 2016.
  • Lead pipe inventory: 0 lead and 0 unknown out of 193 service lines.

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Health-based violations

Since October 2016

Violation 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 2016

Missed tests or reports, not contaminants found above a limit.

Issue Start date Status
Chlordane
Monitoring and reporting
Jan 1, 2020 Resolved
Benzo(a)pyrene
Monitoring and reporting
Jan 1, 2020 Resolved
HEXACHLOROBENZENE
Monitoring and reporting
Jan 1, 2020 Resolved
Heptachlor epoxide
Monitoring and reporting
Jan 1, 2020 Resolved
Heptachlor
Monitoring and reporting
Jan 1, 2020 Resolved
LASSO
Monitoring and reporting
Jan 1, 2020 Resolved
Atrazine
Monitoring and reporting
Jan 1, 2020 Resolved
Hexachlorocyclopentadiene
Monitoring and reporting
Jan 1, 2020 Resolved
Di(2-ethylhexyl) phthalate
Monitoring and reporting
Jan 1, 2020 Resolved
Simazine
Monitoring and reporting
Jan 1, 2020 Resolved
Di(2-ethylhexyl) adipate
Monitoring and reporting
Jan 1, 2020 Resolved
Toxaphene
Monitoring and reporting
Jan 1, 2020 Resolved
Methoxychlor
Monitoring and reporting
Jan 1, 2020 Resolved
BHC-GAMMA
Monitoring and reporting
Jan 1, 2020 Resolved
Endrin
Monitoring and reporting
Jan 1, 2020 Resolved
Chlordane
Monitoring and reporting
Jan 1, 2017 Resolved
Benzo(a)pyrene
Monitoring and reporting
Jan 1, 2017 Resolved
HEXACHLOROBENZENE
Monitoring and reporting
Jan 1, 2017 Resolved
Heptachlor epoxide
Monitoring and reporting
Jan 1, 2017 Resolved
Heptachlor
Monitoring and reporting
Jan 1, 2017 Resolved
LASSO
Monitoring and reporting
Jan 1, 2017 Resolved
Atrazine
Monitoring and reporting
Jan 1, 2017 Resolved
Hexachlorocyclopentadiene
Monitoring and reporting
Jan 1, 2017 Resolved
Di(2-ethylhexyl) phthalate
Monitoring and reporting
Jan 1, 2017 Resolved
Simazine
Monitoring and reporting
Jan 1, 2017 Resolved
Di(2-ethylhexyl) adipate
Monitoring and reporting
Jan 1, 2017 Resolved
Toxaphene
Monitoring and reporting
Jan 1, 2017 Resolved
Methoxychlor
Monitoring and reporting
Jan 1, 2017 Resolved
BHC-GAMMA
Monitoring and reporting
Jan 1, 2017 Resolved
Endrin
Monitoring and reporting
Jan 1, 2017 Resolved
Pentachlorophenol
Monitoring and reporting
Jan 1, 2017 Resolved
2,4,5-TP
Monitoring and reporting
Jan 1, 2017 Resolved
Dinoseb
Monitoring and reporting
Jan 1, 2017 Resolved
Picloram
Monitoring and reporting
Jan 1, 2017 Resolved
Dalapon
Monitoring and reporting
Jan 1, 2017 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
cis-1,2-Dichloroethylene
Monitoring and reporting
Jan 1, 2014 Resolved
1,2,4-Trichlorobenzene
Monitoring and reporting
Jan 1, 2014 Resolved
Pentachlorophenol
Monitoring and reporting
Jan 1, 2014 Resolved
2,4,5-TP
Monitoring and reporting
Jan 1, 2014 Resolved
Dinoseb
Monitoring and reporting
Jan 1, 2014 Resolved
Picloram
Monitoring and reporting
Jan 1, 2014 Resolved
Dalapon
Monitoring and reporting
Jan 1, 2014 Resolved
Chlordane
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
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
Hexachlorocyclopentadiene
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
Di(2-ethylhexyl) adipate
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
Pentachlorophenol
Monitoring and reporting
Jan 1, 2014 Resolved
2,4,5-TP
Monitoring and reporting
Jan 1, 2014 Resolved
Dinoseb
Monitoring and reporting
Jan 1, 2014 Resolved
Picloram
Monitoring and reporting
Jan 1, 2014 Resolved
Dalapon
Monitoring and reporting
Jan 1, 2014 Resolved
Pentachlorophenol
Monitoring and reporting
Jan 1, 2014 Resolved
2,4,5-TP
Monitoring and reporting
Jan 1, 2014 Resolved
Dinoseb
Monitoring and reporting
Jan 1, 2014 Resolved
Picloram
Monitoring and reporting
Jan 1, 2014 Resolved
Dalapon
Monitoring and reporting
Jan 1, 2014 Resolved

Full record since 1979

EPA's records for Green Tank Irr District 11 go back to 1979. Before October 19, 2016 they list 2 health-based violations (1 resolved, 1 archived by EPA without a recorded fix) and 212 monitoring or reporting violations.

Violations that began in Health-based Monitoring and reporting
1970s 0 1
1990s 0 2
2000s 1 157
2010 to October 18, 2016 1 52
October 19, 2016 to 2019 0 20
2020s 0 15

Most recent health-based violation before October 19, 2016: Total Coliform (acute), began June 2010, Resolved.

Show all 2 health-based violations before October 19, 2016
Contaminant Start date Status
Total Coliform (acute)
Contaminant limit exceeded
Jun 1, 2010 Resolved
Total Coliform
Contaminant limit exceeded
Mar 1, 2004 Archived

Where the water comes from

Green Tank Irr District 11 draws water from 3 wells (1 of them for emergency, seasonal or other part-time use). It also has an emergency connection to College Place Water Dept.

Emergency or part-time connections to

Annual water quality report

Green Tank Irr District 11 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 Washington.