Water quality in Lake Riverside, California
Lake Riverside is in Riverside County. 198 active public water systems serve the county; 66 had an EPA violation in the past three years.
Most likely your provider
Your location is within the outer bounds of this system's EPA service area.
Other community water systems in Riverside County
93 systems, nearest first| System | Serves | Status | Rules violated, 3 yr | Distance |
|---|---|---|---|---|
| Bradford Run RV |
75 | 0 | 2.2 mi | |
| Anza Pines Mobile Home Park |
90 | 0 | 5.4 mi | |
| Olivet University |
212 | 0 | 6.6 mi | |
| Outdoor Resorts Rancho CA |
600 | 0 | 6.6 mi | |
| Anza Mutual Water Company |
224 | 1 | 8.4 mi | |
| Anza RV Resort |
203 | 0 | 10.5 mi | |
| Ramona Water Company |
250 | 3 | 10.8 mi | |
| Indian Oaks Trailer Park |
5 | 0 | 11.3 mi | |
| Thomas Mountain Water Company |
157 | 1 | 12.5 mi | |
| Lake Hemet Mwd-Camp Ground |
200 | 0 | 12.7 mi | |
| Lake Hemet-Garner Valley |
709 | 0 | 12.8 mi | |
| Baldy Mountain Ranch |
80 | 0 | 12.8 mi | |
| Paradise Valley Mwc |
30 | 0 | 13.5 mi | |
| Mountain Center Cafe |
77 | 0 | 13.8 mi | |
| Bautista CC No. 36 |
73 | 3 | 14.0 mi | |
| Trails End Mutual Water Company |
52 | 0 | 15.9 mi | |
| Lake Hemet Mwd |
52,913 | 0 | 16.3 mi | |
| Idyllwild Water District |
3,762 | 2 | 16.5 mi | |
| Pine Cove Water District |
1,540 | 0 | 16.7 mi | |
| Oak Haven Association |
120 | 0 | 17.2 mi | |
| Fern Valley WD |
900 | 0 | 17.4 mi | |
| Stonewood Canyon Estates |
40 | 0 | 18.2 mi | |
| Hemet, City of Hemet |
33,591 | 0 | 18.3 mi | |
| Stone Creek Water Company |
152 | 2 | 18.3 mi | |
| Western Mwd (id a Rainbow) |
196 | 0 | 19.9 mi |
Non-community systems in Riverside County (104: schools, campgrounds, workplaces, restaurants)
These systems serve places you visit rather than homes.
About this data
Water systems are matched to Riverside County, nearest to Lake Riverside first. Your exact provider depends on your address and connection; the largest community water system in a county is usually the city or town utility. Distances are measured to the centre of the service area EPA publishes for the system or, for systems without one, to the centre of the first town EPA lists the system as serving, from Census Bureau place files.
Town locations and ZIP code areas come from U.S. Census Bureau 2020 files.
Source: the U.S. EPA's Enforcement and Compliance History Online system (ECHO), which publishes the federal Safe Drinking Water Information System. EPA's terms and values are shown as published. The California records are from EPA's data refresh of Oct 7, 2026; EPA refreshes this data quarterly, and states report to EPA with a lag of three to six months, so the newest violations may not appear yet.