Question 1

Is Chino Meadows II water safe to drink?

Accepted Answer

Chino Meadows II (PWS ID: AZ0413079) has 154 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. EPA SDWIS lists this system's service population as 2,350 people using Groundwater sources.

Question 2

How many people does Chino Meadows II serve?

Accepted Answer

EPA SDWIS reports that Chino Meadows II serves 2,350 people (this public water system's service population, not the municipal population of Chino Valley or any other city). It is a Private-owned system using Groundwater water sources with 1,012 service connections. The operator address is listed in Chino Valley, Arizona.

Question 3

What type of violations does Chino Meadows II have?

Accepted Answer

Chino Meadows II has 154 total violations: 1 health-based violations (MCL exceedances or treatment failures), 124 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 Chino Meadows II water?

Accepted Answer

No PFAS testing data is available for Chino Meadows II under the EPA's UCMR5 monitoring program.

Question 5

What water source does Chino Meadows II use?

Accepted Answer

Chino Meadows II 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 Chino Meadows II sit among U.S. public water systems?

Accepted Answer

According to EPA SDWIS population_served among sitemap-advertised systems (serving 500+), Chino Meadows II ranks #12,419 of 29,740 by people served, and #175 of 413 in Arizona. Ordinals use population_served DESC among systems serving 500+ (the sitemap cohort). See /methodology#corpus-placement.

Question 8

How does Chino Meadows II's violation count compare nationally?

Accepted Answer

Chino Meadows II has 154 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). 81% of that cohort has fewer violations than Chino Meadows II. 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
Chlorine	MR	37	2024
Coliform (TCR)	MR	17	2015
Consumer Confidence Rule	Other	16	2025
TTHM	MR	8	2023
Total Haloacetic Acids (HAA5)	MR	8	2023
Nitrate	MR	5	2006
1,2,4-Trichlorobenzene	MR	2	2001
cis-1,2-Dichloroethylene	MR	2	2001
Xylenes, Total	MR	2	2001
o-Dichlorobenzene	MR	2	2001
p-Dichlorobenzene	MR	2	2001
trans-1,2-Dichloroethylene	MR	2	2001
1,1,1-Trichloroethane	MR	2	2001
Carbon tetrachloride	MR	2	2001
1,2-Dichloropropane	MR	2	2001
Trichloroethylene	MR	2	2001
Ethylbenzene	MR	2	2001
Styrene	MR	2	2001
DICHLOROMETHANE	MR	2	2001
1,2-Dichloroethane	MR	2	2001
1,1,2-Trichloroethane	MR	2	2001
Benzene	MR	2	2001
Toluene	MR	2	2001
Revised Total Coliform Rule	RPT	2	2021
1,1-Dichloroethylene	MR	2	2001
Tetrachloroethylene	MR	2	2001
CHLOROBENZENE	MR	2	2001
Lead and Copper Rule	MR	1	2004
Coliform (TCR)	MCL	1	2005
Fluoride	MR	1	1988

Chino Meadows II

Chino Meadows II standing, high SDWIS violation third

System Details

Violation History

Violation Count vs. the National Corpus

SDWIS compliance record for Chino Meadows II

Nationwide peers

Cross-state systems with comparable violation load

Cross-state systems near this population served