Question 1

Is Mill City Water Department water safe to drink?

Accepted Answer

Mill City Water Department (PWS ID: OR4100520) has 126 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. EPA SDWIS lists this system's service population as 1,830 people using Groundwater sources.

Question 2

How many people does Mill City Water Department serve?

Accepted Answer

EPA SDWIS reports that Mill City Water Department serves 1,830 people (this public water system's service population, not the municipal population of Mill City or any other city). It is a Local-owned system using Groundwater water sources with 840 service connections. The operator address is listed in Mill City, Oregon.

Question 3

What type of violations does Mill City Water Department have?

Accepted Answer

Mill City Water Department has 126 total violations: 0 health-based violations (MCL exceedances or treatment failures), 122 monitoring/reporting violations, and 0 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.

Question 4

Has PFAS been detected in Mill City Water Department water?

Accepted Answer

No PFAS testing data is available for Mill City Water Department under the EPA's UCMR5 monitoring program.

Question 5

What water source does Mill City Water Department use?

Accepted Answer

Mill City Water Department uses Groundwater 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 Mill City Water Department sit among U.S. public water systems?

Accepted Answer

According to EPA SDWIS population_served among sitemap-advertised systems (serving 500+), Mill City Water Department ranks #14,305 of 29,740 by people served, and #177 of 373 in Oregon. Ordinals use population_served DESC among systems serving 500+ (the sitemap cohort). See /methodology#corpus-placement.

Question 8

How does Mill City Water Department's violation count compare nationally?

Accepted Answer

Mill City Water Department has 126 recorded EPA SDWIS violations, fewer than 22% of the 29,740 public water systems serving 500 or more people nationwide (the same sitemap cohort used for the corpus-placement ranking above). 78% of that cohort has fewer violations than Mill City Water Department. 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	22	2002
Coliform (TCR)	MR	4	2005
Arsenic	MR	4	2005
1,2,4-Trichlorobenzene	MR	4	2005
cis-1,2-Dichloroethylene	MR	4	2005
Xylenes, Total	MR	4	2005
p-Dichlorobenzene	MR	4	2005
1,1-Dichloroethylene	MR	4	2005
1,1,1-Trichloroethane	MR	4	2005
1,1,2-Trichloroethane	MR	4	2005
Tetrachloroethylene	MR	4	2005
CHLOROBENZENE	MR	4	2005
Toluene	MR	4	2005
Styrene	MR	4	2005
Nitrate	MR	4	2007
DICHLOROMETHANE	MR	4	2005
o-Dichlorobenzene	MR	4	2005
Carbon tetrachloride	MR	4	2005
1,2-Dichloropropane	MR	4	2005
Trichloroethylene	MR	4	2005
Ethylbenzene	MR	4	2005
1,2-Dichloroethane	MR	4	2005
trans-1,2-Dichloroethylene	MR	4	2005
Vinyl chloride	MR	4	2005
Benzene	MR	4	2005
Consumer Confidence Rule	Other	2	2003
COLIPHAGE	MR	2	2012
Combined Radium (-226 and -228)	MR	1	1976
Gross Alpha, Excl. Radon and U	MR	1	1976

Mill City Water Department

Mill City Water Department standing, high SDWIS violation third

System Details

Violation History

Violation Count vs. the National Corpus

Health-based violations on Mill City Water Department

Nationwide peers

Cross-state systems with comparable violation load

Cross-state systems near this population served