Green Mountain School

PWSID: WA5329465

No active violations
This system has no unresolved violations. The most recent violation on record was 2021-05-01.

This system has more violations on record than 92% of water systems in Washington.

Violation trend: 0.2 per year over the last 5 years.

System Details

Population Served200
Service Connections6
Water SourceGroundwater
System TypeNon-Transient Non-Community
OwnerLocal Government
StatusActive
CityWoodland
EPA ZIP on File98674
NoteSchool or Daycare

Lead & Copper Testing

ContaminantLevelEPA Action LevelStatus
Lead (90th percentile)0.0015 mg/L0.015 mg/LBelow Action Level
Lead (90th percentile)0.0011 mg/L0.015 mg/LBelow Action Level
Lead (90th percentile)0.0011 mg/L0.015 mg/LBelow Action Level

Violation History (48 total)

ContaminantViolationDateHealth-BasedStatus
8000MON2021-05-01 MajorReturned to Compliance
2210MR2014-01-01 MajorReturned to Compliance
2214MR2014-01-01 MajorReturned to Compliance
2216MR2014-01-01 MajorReturned to Compliance
2378MR2014-01-01 MajorReturned to Compliance
2380MR2014-01-01 MajorReturned to Compliance
2416MR2014-01-01 MajorReturned to Compliance
2964MR2014-01-01 MajorReturned to Compliance
2965MR2014-01-01 MajorReturned to Compliance
2968MR2014-01-01 MajorReturned to Compliance
2969MR2014-01-01 MajorReturned to Compliance
2976MR2014-01-01 MajorReturned to Compliance
2977MR2014-01-01 MajorReturned to Compliance
2978MR2014-01-01 MajorReturned to Compliance
2979MR2014-01-01 MajorReturned to Compliance
2980MR2014-01-01 MajorReturned to Compliance
2981MR2014-01-01 MajorReturned to Compliance
2982MR2014-01-01 MajorReturned to Compliance
2983MR2014-01-01 MajorReturned to Compliance
2984MR2014-01-01 MajorReturned to Compliance
2985MR2014-01-01 MajorReturned to Compliance
2987MR2014-01-01 MajorReturned to Compliance
2989MR2014-01-01 MajorReturned to Compliance
2990MR2014-01-01 MajorReturned to Compliance
2991MR2014-01-01 MajorReturned to Compliance
2992MR2014-01-01 MajorReturned to Compliance
2993MR2014-01-01 MajorReturned to Compliance
2996MR2014-01-01 MajorReturned to Compliance
1005MR2011-01-01 MajorReturned to Compliance
1010MR2011-01-01 MajorReturned to Compliance
1015MR2011-01-01 MajorReturned to Compliance
1017MR2011-01-01 MajorReturned to Compliance
1020MR2011-01-01 MajorReturned to Compliance
1024MR2011-01-01 MajorReturned to Compliance
1025MR2011-01-01 MajorReturned to Compliance
1028MR2011-01-01 MajorReturned to Compliance
1032MR2011-01-01 MajorReturned to Compliance
1035MR2011-01-01 MajorReturned to Compliance
1036MR2011-01-01 MajorReturned to Compliance
1041MR2011-01-01 MajorReturned to Compliance
1045MR2011-01-01 MajorReturned to Compliance
1050MR2011-01-01 MajorReturned to Compliance
1052MR2011-01-01 MajorReturned to Compliance
1074MR2011-01-01 MajorReturned to Compliance
1075MR2011-01-01 MajorReturned to Compliance
1085MR2011-01-01 MajorReturned to Compliance
1095MR2011-01-01 MajorReturned to Compliance
1915MR2011-01-01 MajorReturned to Compliance

Understanding This Water System's Record

Green Mountain School is a non-transient non-community water system that draws from groundwater sources and serves a population of 200 in Woodland, Washington. This page shows its complete compliance history as reported to the EPA's Safe Drinking Water Information System (SDWIS), the federal database that tracks every public water system in the United States.

What Do These Violations Mean?

Health-based violations mean the system exceeded an EPA maximum contaminant level (MCL) or failed to provide required treatment. These indicate potential health risks from contaminants like lead, arsenic, bacteria, nitrates, or disinfection byproducts. Non-health-based violations involve monitoring, reporting, or procedural requirements — the system missed a testing deadline or failed to notify customers, but contaminant levels were not necessarily unsafe.

What Should You Do?

Your water utility is required to publish an annual Consumer Confidence Report (CCR) that details test results and any violations. If your system has active health-based violations, consider a certified water filter rated for the specific contaminants involved. The contaminant guides on this site explain health risks and filter options for common pollutants. For the most current results, contact your water utility directly — EPA data can lag weeks or months behind real-time testing.