| LUKINS BROTHERS WATER COMPANY | | 3,277 | 0.6730 mg/L |
| USMC NEBO (BARSTOW) | | 1,126 | 0.6500 mg/L |
| JUNE LAKE PUD - DOWN CANYON | | 2,810 | 0.5728 mg/L |
| BURLANDO HEIGHTS MUTUAL WATER CO. | | 44 | 0.5360 mg/L |
| NPS - DEATH VALLEY, STOVEPIPE WELLS | | 175 | 0.4830 mg/L |
| LAKE FRANCIS MUTUAL WATER COMPANY | | 60 | 0.4628 mg/L |
| USMC - HOUSING COLEVILLE | | 424 | 0.4400 mg/L |
| CDF - OWENS VALLEY CONSERVATION CAMP | | 94 | 0.4358 mg/L |
| USMC/MTN WARFARE TRNG CTR - BRIDGEPORT | | 1,200 | 0.3900 mg/L |
| DEVORE WC | | 1,574 | 0.3360 mg/L |
| INDIAN CREEK CSD | | 1,030 | 0.3182 mg/L |
| CWS - MULLEN WATER COMPANY | | 138 | 0.2860 mg/L |
| MARIANA RANCHOS CWD | | 1,502 | 0.2748 mg/L |
| GREEN VALLEY MWC | | 2,993 | 0.2372 mg/L |
| SIERRA HIGHLAND CSD | | 600 | 0.2368 mg/L |
| BIG ROCK C.S.D. | | 513 | 0.2300 mg/L |
| SUNRISE SHORE MUTUAL WATER COMPANY | | 83 | 0.2265 mg/L |
| ALPINE WATER USERS ASSOCIATION | | 2,534 | 0.2252 mg/L |
| HARRIS FARMS SOUTH 101-144 | | 182 | 0.2200 mg/L |
| SAN ANTONIO WATER COMPANY | | 3,441 | 0.2186 mg/L |
| LOMA LINDA UNIVERSITY | | 15,368 | 0.2032 mg/L |
| GOLDEN FEATHER MHP | | 275 | 0.1997 mg/L |
| SONOMA COUNTY CSA 41-JENNER | | 406 | 0.1975 mg/L |
| INVERNESS PUBLIC UTILITY DIST | | 1,445 | 0.1900 mg/L |
| CCWD - WEST POINT | | 1,043 | 0.1900 mg/L |
| SHEEP CREEK WATER COMPANY | | 4,002 | 0.1860 mg/L |
| CEDARPINES PARK MWC | | 2,458 | 0.1778 mg/L |
| NPS - DEATH VALLEY, COW CREEK/NEVARES | | 88 | 0.1763 mg/L |
| VINEYARD RV PARK | | 550 | 0.1700 mg/L |
| THUNDERBIRD CWD | | 2,098 | 0.1645 mg/L |
| NPS - DEATH VALLEY, FURNACE CREEK | | 150 | 0.1640 mg/L |
| SAN ANTONIO CANYON MSC | | 119 | 0.1628 mg/L |
| MT BALDY HOMEOWNERS ASSN. | | 1,700 | 0.1611 mg/L |
| ARROWBEAR PARK CWD | | 1,856 | 0.1580 mg/L |
| GOLDEN STATE WATER CO - MORONGO DEL SUR | | 1,717 | 0.1506 mg/L |
| WASCO ST. PRISON RECEPTION CTR | | 5,124 | 0.1500 mg/L |
| GLEN MARTIN MWC | | 450 | 0.1388 mg/L |
| BDVWA - GOAT MOUNTAIN ID | | 1,118 | 0.1330 mg/L |
| CDF - PILOT ROCK CONSERVATION CAMP | | 65 | 0.1288 mg/L |
| COLTON, CITY OF | COLTON | 46,525 | 0.1283 mg/L |
| SANTA ROSA MOBILE ESTATES | | 420 | 0.1220 mg/L |
| RANCHO SECO INC. WATER SYSTEM | | 33 | 0.1220 mg/L |
| FRONTIER TRAILS HOMEOWNERS ASSOC INC. | | 32 | 0.1190 mg/L |
| PINE HILLS MUTUAL WATER COMPANY | | 760 | 0.1128 mg/L |
| CALIFORNIA INSTITUTION FOR MEN | | 10,667 | 0.1120 mg/L |
| BELLA LAGO MOBILE HOME PARK | | 152 | 0.1100 mg/L |
| GOLDEN STATE WATER CO - LUCERNE | | 586 | 0.1093 mg/L |
| BEACH CREEK MOBILE HOME PARK | | 67 | 0.1030 mg/L |
| FCSA 10 - CUMORAH KNOLLS | | 132 | 0.1000 mg/L |
| ROLLING GREEN UTILITIES, INC. | | 1,225 | 0.1000 mg/L |
| PAINTED CAVE | | 160 | 0.0990 mg/L |
| FALLSVALE SERVICE COMPANY | | 1,046 | 0.0968 mg/L |
| PURISSIMA HILLS WATER DISTRICT | | 6,245 | 0.0960 mg/L |
| BRANDEIS BARDIN INSTITUTE | | 665 | 0.0960 mg/L |
| CAL ORE MOBILE ESTATES | | 146 | 0.0960 mg/L |
| TERRACE WATER COMPANY | | 2,400 | 0.0940 mg/L |
| CALIFORNIA INSTITUTION FOR WOMEN | | 1,195 | 0.0934 mg/L |
| CWS - LOWER BODFISH WATER SYSTEM | | 736 | 0.0902 mg/L |
| AUSTIN CREEK MUTUAL (SPRINGHILL) | | 150 | 0.0900 mg/L |
| LEE VINING PUBLIC UTILITY DISTRICT | | 672 | 0.0872 mg/L |
| KNIGHTS FERRY COMM. SVC. DIST. | | 168 | 0.0842 mg/L |
| ANDERSON SPRINGS CSD | | 373 | 0.0840 mg/L |
| REDWOOD GLEN CAMP & CONFERENCE CTR | | 114 | 0.0787 mg/L |
| LA CIMA FIRE CENTER | | 60 | 0.0787 mg/L |
| LADWP - BIG PINE | | 0 | 0.0754 mg/L |
| CITY OF SACRAMENTO MAIN | SACRAMENTO | 527,979 | 0.0740 mg/L |
| TRINIDAD, CITY OF | TRINIDAD | 1,072 | 0.0707 mg/L |
| US ARMY FORT IRWIN | | 15,701 | 0.0695 mg/L |
| GOLDEN STATE WATER CO - APPLE VLY NORTH | | 2,086 | 0.0694 mg/L |
| LAKE PARK VILLAGE CONDOMINIUMS | | 900 | 0.0690 mg/L |
| SEAWOOD ESTATES MUTUAL WATER COMPANY | | 63 | 0.0670 mg/L |
| SCE/BIG CREEK POWERHOUSE 1 | | 104 | 0.0660 mg/L |
| CALIFORNIA STATE PRISON - SOLANO | | 5,100 | 0.0654 mg/L |
| MID-PENINSULA WATER DISTRICT | | 30,609 | 0.0630 mg/L |
| ROGINA WATER COMPANY INC. | | 2,554 | 0.0620 mg/L |
| FCSA 14 - BELMONT MANOR | | 115 | 0.0612 mg/L |
| WARNER SPRINGS ESTATES | | 448 | 0.0600 mg/L |
| STRATFORD PUD | | 1,277 | 0.0590 mg/L |
| ABRAMS LAKE MOBILE ESTATES | | 135 | 0.0587 mg/L |
| LUCERNE WATER CO. - CAL WATER SERVICE | | 2,129 | 0.0586 mg/L |
| CHINA LAKE ACRES MUTUAL WATER COMPANY | | 198 | 0.0580 mg/L |
| APPLE VALLEY HEIGHTS CWD | | 983 | 0.0575 mg/L |
| MELITA HEIGHTS MUTUAL WATER COMPANY | | 64 | 0.0570 mg/L |
| ZONE 7 WATER AGENCY | | 40 | 0.0570 mg/L |
| GARDEN ACRES MUTUAL WATER CO | | 1,335 | 0.0560 mg/L |
| LOS ANGELES CWWD 40 REG 4 & 34 LANCASTER | | 208,129 | 0.0558 mg/L |
| U.S.N., SAN NICOLAS ISLAND | | 254 | 0.0530 mg/L |
| ARBOR VILLAGE | | 670 | 0.0490 mg/L |
| VILLAGE APARTMENTS | | 33 | 0.0490 mg/L |
| LAKE ALPINE WATER COMPANY | | 625 | 0.0470 mg/L |
| REBEL RIDGE VILLAGE | | 60 | 0.0468 mg/L |
| FOOTHILL ESTATES MHP | | 66 | 0.0463 mg/L |
| NORTHSTAR C.S.D. | | 15,452 | 0.0460 mg/L |
| FERN VALLEY WD | | 900 | 0.0460 mg/L |
| MESA DUNES MOBILE HOME ESTATES | | 600 | 0.0460 mg/L |
| BRIDGEPORT PUD | | 524 | 0.0460 mg/L |
| SAINT MARIE MOBILE HOME PARK | | 320 | 0.0443 mg/L |
| LACSD - RIMFOREST | | 817 | 0.0442 mg/L |
| PUERTA LA CRUZ CC #14 | | 27 | 0.0438 mg/L |
| RANCHO SANTA TERESA MW CO. | | 102 | 0.0435 mg/L |