Question 1

Is Rancho del Conejo Comm Water Coop water safe to drink?

Accepted Answer

Rancho del Conejo Comm Water Coop (PWS ID: AZ0410142) has 275 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. EPA SDWIS lists this system's service population as 900 people using Groundwater sources.

Question 2

How many people does Rancho del Conejo Comm Water Coop serve?

Accepted Answer

EPA SDWIS reports that Rancho del Conejo Comm Water Coop serves 900 people (this public water system's service population, not the municipal population of Tucson or any other city). It is a Private-owned system using Groundwater water sources with 335 service connections. The operator address is listed in Tucson, Arizona.

Question 3

What type of violations does Rancho del Conejo Comm Water Coop have?

Accepted Answer

Rancho del Conejo Comm Water Coop has 275 total violations: 46 health-based violations (MCL exceedances or treatment failures), 212 monitoring/reporting violations, and 7 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.

Question 4

Has PFAS been detected in Rancho del Conejo Comm Water Coop water?

Accepted Answer

No PFAS testing data is available for Rancho del Conejo Comm Water Coop under the EPA's UCMR5 monitoring program.

Question 5

What water source does Rancho del Conejo Comm Water Coop use?

Accepted Answer

Rancho del Conejo Comm Water Coop 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 Rancho del Conejo Comm Water Coop sit among U.S. public water systems?

Accepted Answer

According to EPA SDWIS population_served among sitemap-advertised systems (serving 500+), Rancho del Conejo Comm Water Coop ranks #20,950 of 29,740 by people served, and #291 of 413 in Arizona. Ordinals use population_served DESC among systems serving 500+ (the sitemap cohort). See /methodology#corpus-placement.

Question 8

How does Rancho del Conejo Comm Water Coop's violation count compare nationally?

Accepted Answer

Rancho del Conejo Comm Water Coop has 275 recorded EPA SDWIS violations, fewer than 10% of the 29,740 public water systems serving 500 or more people nationwide (the same sitemap cohort used for the corpus-placement ranking above). 90% of that cohort has fewer violations than Rancho del Conejo Comm Water Coop. 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
Arsenic	MR	67	2017
Coliform (TCR)	MR	45	2016
Arsenic	MCL	35	2016
Lead and Copper Rule	MR	17	2017
Consumer Confidence Rule	Other	11	2015
Revised Total Coliform Rule	TT	7	2017
E. COLI	MR	6	2017
Nitrate	MR	5	2005
Coliform (TCR)	MCL	4	2001
p-Dichlorobenzene	MR	2	2000
1,1-Dichloroethylene	MR	2	2000
trans-1,2-Dichloroethylene	MR	2	2000
1,2-Dichloroethane	MR	2	2000
Carbon tetrachloride	MR	2	2000
Trichloroethylene	MR	2	2000
1,1,2-Trichloroethane	MR	2	2000
CHLOROBENZENE	MR	2	2000
Benzene	MR	2	2000
Ethylbenzene	MR	2	2000
cis-1,2-Dichloroethylene	MR	2	2000
Xylenes, Total	MR	2	2000
1,1,1-Trichloroethane	MR	2	2000
1,2-Dichloropropane	MR	2	2000
Tetrachloroethylene	MR	2	2000
Toluene	MR	2	2000
Styrene	MR	2	2000
DICHLOROMETHANE	MR	2	2000
Revised Total Coliform Rule	MON	2	2016
o-Dichlorobenzene	MR	2	2000
1,2,4-Trichlorobenzene	MR	2	2000

Rancho del Conejo Comm Water Coop

Rancho del Conejo Comm Water Coop standing, high SDWIS violation third

System Details

Violation History

Violation Count vs. the National Corpus

Population served record for Rancho del Conejo Comm Water Coop

Nationwide peers

Cross-state systems with comparable violation load

Cross-state systems with smaller service footprints