Question 1

Is Lost River High School water safe to drink?

Accepted Answer

Lost River High School (PWS ID: OR4190552) has 157 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. EPA SDWIS lists this system's service population as 320 people using Groundwater sources.

Question 2

How many people does Lost River High School serve?

Accepted Answer

EPA SDWIS reports that Lost River High School serves 320 people (this public water system's service population, not the municipal population of Klamath Falls or any other city). It is a Local-owned system using Groundwater water sources with 5 service connections. The operator address is listed in Klamath Falls, Oregon.

Question 3

What type of violations does Lost River High School have?

Accepted Answer

Lost River High School has 157 total violations: 6 health-based violations (MCL exceedances or treatment failures), 148 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 Lost River High School water?

Accepted Answer

No PFAS testing data is available for Lost River High School under the EPA's UCMR5 monitoring program.

Question 5

What water source does Lost River High School use?

Accepted Answer

Lost River High School uses Groundwater as its primary water source. It is classified as a Non-Transient Non-Community Water System, serving the same people for at least 6 months per year.

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

How does Lost River High School's violation count compare nationally?

Accepted Answer

Lost River High School has 157 recorded EPA SDWIS violations, fewer than 18% of the 29,740 public water systems serving 500 or more people nationwide (the same sitemap cohort used for the corpus-placement ranking above). 82% of that cohort has fewer violations than Lost River High School. 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
Toluene	MR	14	2013
Lead and Copper Rule	MR	6	2022
Coliform (TCR)	MCL	6	2014
Coliform (TCR)	MR	5	2001
E. COLI	MR	3	2023
Nickel	MR	2	2017
Nitrate	MR	2	2020
TTHM	MR	2	2010
Ethylbenzene	MR	2	2011
Benzene	MR	2	2011
CHLOROBENZENE	MR	2	2011
Tetrachloroethylene	MR	2	2011
1,2-Dichloropropane	MR	2	2011
1,1,1-Trichloroethane	MR	2	2011
1,2-Dichloroethane	MR	2	2011
trans-1,2-Dichloroethylene	MR	2	2011
1,1-Dichloroethylene	MR	2	2011
Vinyl chloride	MR	2	2011
o-Dichlorobenzene	MR	2	2011
Endrin	MR	2	2011
Methoxychlor	MR	2	2011
Diquat	MR	2	2011
Di(2-ethylhexyl) adipate	MR	2	2011
Simazine	MR	2	2011
Picloram	MR	2	2011
Dinoseb	MR	2	2011
Hexachlorocyclopentadiene	MR	2	2011
LASSO	MR	2	2011
Heptachlor epoxide	MR	2	2011
2,4-D	MR	2	2011

Lost River High School

Lost River High School standing, high SDWIS violation third

System Details

Violation History

Violation Count vs. the National Corpus

Population served record for Lost River High School

Nationwide peers

Cross-state systems with comparable violation load