Question 1

Is Willamina, City Of water safe to drink?

Accepted Answer

Willamina, City Of (PWS ID: OR4100953) has 89 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. EPA SDWIS lists this system's service population as 2,239 people using Surface Water sources.

Question 2

How many people does Willamina, City Of serve?

Accepted Answer

EPA SDWIS reports that Willamina, City Of serves 2,239 people (this public water system's service population, not the municipal population of Willamina or any other city). It is a Local-owned system using Surface Water water sources with 900 service connections. The operator address is listed in Willamina, Oregon.

Question 3

What type of violations does Willamina, City Of have?

Accepted Answer

Willamina, City Of has 89 total violations: 5 health-based violations (MCL exceedances or treatment failures), 80 monitoring/reporting violations, and 5 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.

Question 4

Has PFAS been detected in Willamina, City Of water?

Accepted Answer

No PFAS testing data is available for Willamina, City Of under the EPA's UCMR5 monitoring program.

Question 5

What water source does Willamina, City Of use?

Accepted Answer

Willamina, City Of uses Surface Water as its primary water source. It is classified as a Community Water System (CWS), serving residential populations year-round.

Question 6

Where does this data come from?

Accepted Answer

All data comes from the EPA Safe Drinking Water Information System (SDWIS) and the UCMR5 PFAS monitoring program. SDWIS tracks compliance for all public water systems regulated under the Safe Drinking Water Act.

Question 7

Where does Willamina, City Of sit among U.S. public water systems?

Accepted Answer

According to EPA SDWIS population_served among sitemap-advertised systems (serving 500+), Willamina, City Of ranks #12,733 of 29,740 by people served, and #158 of 373 in Oregon. Ordinals use population_served DESC among systems serving 500+ (the sitemap cohort). See /methodology#corpus-placement.

Question 8

How does Willamina, City Of's violation count compare nationally?

Accepted Answer

Willamina, City Of has 89 recorded EPA SDWIS violations, fewer than 29% of the 29,740 public water systems serving 500 or more people nationwide (the same sitemap cohort used for the corpus-placement ranking above). 71% of that cohort has fewer violations than Willamina, City Of. A system can have zero recorded violations and still be actively monitored, and a high violation count often reflects a system that reports thoroughly, not necessarily one with worse water.

Contaminant	Category	Count	Latest
Surface Water Treatment Rule	MR	14	2017
Interim Enhanced Surface Water Treatment Rule	MR	7	2017
Surface Water Treatment Rule	TT	5	1996
Consumer Confidence Rule	Other	3	2002
Lead and Copper Rule	MR	3	2003
Arsenic	MR	3	2007
1,2,4-Trichlorobenzene	MR	2	2006
cis-1,2-Dichloroethylene	MR	2	2006
Xylenes, Total	MR	2	2006
o-Dichlorobenzene	MR	2	2006
p-Dichlorobenzene	MR	2	2006
trans-1,2-Dichloroethylene	MR	2	2006
Carbon tetrachloride	MR	2	2006
1,2-Dichloropropane	MR	2	2006
Trichloroethylene	MR	2	2006
Tetrachloroethylene	MR	2	2006
CHLOROBENZENE	MR	2	2006
Benzene	MR	2	2006
Toluene	MR	2	2006
Ethylbenzene	MR	2	2006
Styrene	MR	2	2006
1,1,2-Trichloroethane	MR	2	2006
DICHLOROMETHANE	MR	2	2006
Vinyl chloride	MR	2	2006
Coliform (TCR)	MR	2	2006
1,1,1-Trichloroethane	MR	2	2006
1,2-Dichloroethane	MR	2	2006
1,1-Dichloroethylene	MR	2	2006
Chromium	MR	1	1979
Cadmium	MR	1	1979

Willamina, City Of

Willamina, City Of standing, high SDWIS violation third

System Details

Violation History

Violation Count vs. the National Corpus

SDWIS compliance record for Willamina, City Of

Nationwide peers

Cross-state systems with comparable violation load

Cross-state systems near this population served