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Rio Cosumnes Correctional Center [Sws]

EPA monitoring tested this supplier for 48 contaminants and detected 8. A detection doesn't automatically mean the water is unsafe — the level and EPA source for each is below.

48
contaminants tested
8
detected
2,800
people served
2
health-based violations
California rankingsLead in CaliforniaPFAS in California
Water source
Ground water
Ownership
Local government
Counties served
Sacramento

Compliance record

Formal violations the EPA has on file for this supplier. A health-based violation means a contaminant limit or a required treatment was breached; the rest are monitoring or reporting failures — still violations, but not a measured health risk.

2
health-based violations
10
violations on file
2
still open
ViolationTypeStatusPeriod
TT Health-based Unaddressed 2024-10-17
MCL Health-based Archived 1983-01-01 → 1983-01-31
RPT Monitoring Unaddressed 2024-10-17
MR Monitoring Resolved 1998-03-01 → 1998-03-31
MR Monitoring Resolved 1998-03-01 → 1998-03-31
Other Monitoring Archived 1984-09-01 → 1984-09-30
Other Monitoring Archived 1984-08-01 → 1984-08-31
Other Monitoring Archived 1984-07-01 → 1984-07-31
Other Monitoring Archived 1984-02-01 → 1984-02-29
Other Monitoring Archived 1983-01-01 → 1983-01-31

Other contaminants detected

Each bar shows the measured level as a share of the EPA limit: green is well under, amber is close to it, red is over. For lead and copper the limit applies to exactly the 90th-percentile figure shown, so red there means a real exceedance. For everything else the limit applies to a running annual average while the figure is the 95th percentile of this system's samples — over 100% is worth reading, but is not by itself a violation. Where a single sample came in higher than that percentile, it is noted under the bar. Formal violations are listed separately.
ContaminantLevel vs EPA limitDetection rateSourcePeriod
Arsenic
45.05 µg/L 451%
of the EPA limit, at the 95th percentile of samples — 10 µg/L
worst single sample: 83 µg/L
180/180 SYR4 2012–2019
Lead
0.0040 mg/L 27%
of the EPA limit 0.0150 mg/L
 12/12 LCR 2025
Barium
393 µg/L 20%
of the EPA limit 2000 µg/L
worst single sample: 400 µg/L
8/10 SYR4 2012–2019
Fluoride
247 µg/L 6.2%
of the EPA limit 4000 µg/L
worst single sample: 250 µg/L
4/10 SYR4 2012–2019
TTHM
5.37 µg/L 6.7%
of the EPA limit 80 µg/L
worst single sample: 5.6 µg/L
2/5 SYR4 2012–2018
Bromodichloromethane
1.2 µg/L
No EPA limit set
 1/5 SYR4 2012–2018
Bromoform
2.1 µg/L
No EPA limit set
 1/5 SYR4 2012–2018
Dibromochloromethane
2.3 µg/L
No EPA limit set
 1/5 SYR4 2012–2018
40 contaminants tested, none detected
1,1,1-Trichloroethane1,1,2-Trichloroethane1,1-Dichloroethylene1,2,4-Trichlorobenzene1,2-Dichloroethane1,2-DichloropropaneAntimony, TotalAtrazineBenzeneBenzo(A)PyreneBeryllium, TotalChlorobenzeneCopperCadmiumCarbon TetrachlorideChloroformChromiumCombined UraniumDichloromethaneDi(2-ethylhexyl) AdipateDi(2-ethylhexyl) PhthalateEthylbenzeneLassoMercuryNitrateNitrate-NitriteNitriteSeleniumSimazineStyreneTetrachloroethyleneThallium, TotalTolueneTrichloroethyleneVinyl ChlorideXylenes, Totalcis-1,2-DichloroethyleneO-DichlorobenzeneP-Dichlorobenzenetrans-1,2-Dichloroethylene

Utility contact

Contact
HUTCHESON, SCOTT
Phone
916-875-2216
Email
HUTCHESONS@SACCOUNTY.NET

Frequently asked questions about Rio Cosumnes Correctional Center [Sws]

Is Rio Cosumnes Correctional Center [Sws] tap water safe to drink?

EPA monitoring detected 8 contaminants in Rio Cosumnes Correctional Center [Sws]'s water. A detection isn't the same as a violation — most levels are within federal limits. See each level and source above, and the utility's annual Consumer Confidence Report for its official compliance status.

What contaminants were detected in Rio Cosumnes Correctional Center [Sws]'s water?

EPA monitoring detected Arsenic, Lead, Barium, Fluoride, TTHM, and others. The full list with the level and data source for each is above.

How many people does Rio Cosumnes Correctional Center [Sws] serve?

Rio Cosumnes Correctional Center [Sws] reports serving 2,800 people in California, per its EPA record.

Has Rio Cosumnes Correctional Center [Sws] had any water quality violations?

The EPA has 10 violations on file for Rio Cosumnes Correctional Center [Sws], of which 2 are health-based (a contaminant limit or required treatment was breached) and 2 remain open. The rest are monitoring or reporting failures.

Where does this data come from?

Every figure is official EPA drinking-water monitoring — the Lead & Copper Rule, the UCMR-5 nationwide testing program, and the EPA Six-Year Review — not our own testing. Each number is labelled with its source and period.