[UPDATED 7/3/2017] Arizona School Districts J-L Lead In Drinking Water Screening Results – J O Combs Unified District – Littleton Elementary District
| District | School | # Of Samples | Result Above Screening Level | # of Samples Above 15 PPB | # of Drinking Water Samples Above 15 PPB | ADEQ Recommended Corrective Actions |
| J O Combs Unified District | Combs High School | 6 | N | None | ||
| J O Combs Unified District | Ellsworth Elementary | 1 | N | None | ||
| J O Combs Unified District | J.O. Combs Middle School | 6 | N | None | ||
| J O Combs Unified District | Jack Harmon Elementary | 2 | N | None | ||
| J O Combs Unified District | Kathryn Sue Simonton | 3 | N | None | ||
| J O Combs Unified District | Ranch Elementary | 1 | N | None | ||
| Joseph City Unified District | Joseph City Elementary School | 9 | N | None | ||
| Joseph City Unified District | Joseph City Jr/Sr High School | 17 | Y | 1 | All high results at non drinking water fixtures/post signs at fixtures | |
| Kayenta Unified District | Challenge Center | 1 | N | None | ||
| Kayenta Unified District | Kayenta C.O.P.E. Center | 1 | N | None | ||
| Kayenta Unified District | Kayenta Elementary School (formerly Intermediate School) | 7 | N | None | ||
| Kayenta Unified District | Kayenta Middle School | 10 | N | None | ||
| Kayenta Unified District | Kayenta Primary School | 12 | Y | |||
| Kayenta Unified District | Monument Valley High School | |||||
| Kingman Unified District | Black Mountain Elementary School | 6 | N | None | ||
| Kingman Unified District | Central Kitchen and warehouse | 1 | N | None | ||
| Kingman Unified District | Cerbat Elementary School | 4 | N | None | ||
| Kingman Unified District | Desert Willow Elementary | 2 | N | None | ||
| Kingman Unified District | Hualapai Elementary School | 6 | N | None | ||
| Kingman Unified District | Kingman High School – North | 8 | N | None | ||
| Kingman Unified District | Kingman High School – PASS School | 4 | N | None | ||
| Kingman Unified District | Kingman Middle (formerly Kingman Junior High School) | 7 | N | None | ||
| Kingman Unified District | La Senita Elementary School | 6 | N | None | ||
| Kingman Unified District | Lee Williams High School | 5 | N | None | ||
| Kingman Unified District | Manzanita Elementary School | 8 | N | None | ||
| Kingman Unified District | Mt Tipton Elementary School | 6 | N | None | ||
| Kingman Unified District | White Cliffs Middle School (formerly Kingman High School – South) | 5 | N | None | ||
| Kyrene Elementary District | C I Waggoner School | 10 | Y | 1 | 1 | Flushing recommended at drinking water fixture |
| Kyrene Elementary District | Kyrene Akimel A-al Middle School | 5 | Y | 1 | 1 | Flushing recommended at drinking water fixture |
| Kyrene Elementary District | Kyrene Altadena Middle School | 3 | Y | 1 | 1 | Flushing recommended at drinking water fixture |
| Kyrene Elementary District | Kyrene Aprende Middle School | 3 | N | None | ||
| Kyrene Elementary District | Kyrene Centennial Middle School | 15 | N | None | ||
| Kyrene Elementary District | Kyrene de la Colina School | 2 | N | None | ||
| Kyrene Elementary District | Kyrene de la Esperanza School | 2 | N | None | ||
| Kyrene Elementary District | Kyrene de la Estrella Elementary | 1 | N | None | ||
| Kyrene Elementary District | Kyrene de la Mariposa School | 4 | N | None | ||
| Kyrene Elementary District | Kyrene de la Mirada School | 2 | N | None | ||
| Kyrene Elementary District | Kyrene de la Paloma School | 3 | N | None | ||
| Kyrene Elementary District | Kyrene de la Sierra School | 2 | N | None | ||
| Kyrene Elementary District | Kyrene de las Brisas School | 2 | N | None | ||
| Kyrene Elementary District | Kyrene de las Lomas | 4 | N | None | ||
| Kyrene Elementary District | Kyrene de las Manitas School | 1 | N | None | ||
| Kyrene Elementary District | Kyrene de los Cerritos School | 1 | N | None | ||
| Kyrene Elementary District | Kyrene de los Lagos School | 3 | N | None | ||
| Kyrene Elementary District | Kyrene de los Ninos School | 6 | N | None | ||
| Kyrene Elementary District | Kyrene del Cielo School | 7 | N | None | ||
| Kyrene Elementary District | Kyrene del Milenio | 1 | N | None | ||
| Kyrene Elementary District | Kyrene del Norte School | 8 | N | None | ||
| Kyrene Elementary District | Kyrene del Pueblo Middle School | 17 | N | None | ||
| Kyrene Elementary District | Kyrene del Sureno School | 3 | N | None | ||
| Kyrene Elementary District | Kyrene Middle School | 13 | N | None | ||
| Kyrene Elementary District | Kyrene Monte Vista School | 1 | N | None | ||
| Lake Havasu Unified District | Havasupai Elementary School | 8 | N | None | ||
| Lake Havasu Unified District | Jamaica Elementary School | 1 | N | None | ||
| Lake Havasu Unified District | Lake Havasu High School | 13 | N | None | ||
| Lake Havasu Unified District | Nautilus Elementary School | 2 | N | None | ||
| Lake Havasu Unified District | Oro Grande Elementary School | 2 | N | None | ||
| Lake Havasu Unified District | Smoketree Elementary School | 3 | Y | 1 | 1 | Flushing recommended at drinking water fixture |
| Lake Havasu Unified District | Starline Elementary School | 6 | N | None | ||
| Lake Havasu Unified District | Thunderbolt Middle School | 1 | N | None | ||
| Laveen Elementary District | Cheatham Elementary | 6 | N | None | ||
| Laveen Elementary District | Desert Meadows | 3 | N | None | ||
| Laveen Elementary District | Laveen Education Center (former Laveen Elementary School) | 5 | N | None | ||
| Laveen Elementary District | Laveen Elementary School | 4 | N | None | ||
| Laveen Elementary District | Maurice C Cash Elementary School | 4 | N | None | ||
| Laveen Elementary District | Rogers Ranch | 2 | N | None | ||
| Laveen Elementary District | Trailside Point | 3 | N | None | ||
| Laveen Elementary District | Vista Del Sur Middle School | 5 | N | None | ||
| Liberty Elementary District | Estrella Mountain Elementary School | 7 | N | None | ||
| Liberty Elementary District | Freedom Elementary School | 2 | N | None | ||
| Liberty Elementary District | Rainbow Valley School | 5 | N | None | ||
| Liberty Elementary District | Westar Elementary | 2 | N | None | ||
| Litchfield Elementary District | Barbara Robey Elementary | 4 | N | None | ||
| Litchfield Elementary District | Corte Sierra Elementary | 2 | N | None | ||
| Litchfield Elementary District | Dreaming Summit Elementary | 5 | N | None | ||
| Litchfield Elementary District | L. Thomas Heck Middle School | 6 | N | None | ||
| Litchfield Elementary District | Litchfield Elementary School | 21 | Y | 1 | Flushing recommended at drinking water fixture | |
| Litchfield Elementary District | Mabel Padgett Elementary | 6 | N | None | ||
| Litchfield Elementary District | Palm Valley Elementary | 5 | N | None | ||
| Litchfield Elementary District | Rancho Santa Fe Elementary | 2 | N | None | ||
| Litchfield Elementary District | Scott L Libby Elementary School | 17 | N | None | ||
| Litchfield Elementary District | Verrado Elementary School | 5 | N | None | ||
| Litchfield Elementary District | Verrado Heritage Elementary School | 4 | N | None | ||
| Litchfield Elementary District | Verrado Middle School | 7 | N | None | ||
| Litchfield Elementary District | Western Sky Middle School | 7 | N | None | ||
| Litchfield Elementary District | Wigwam Creek Middle School | 7 | N | None | ||
| Littleton Elementary District | Collier Elementary | 2 | N | None | ||
| Littleton Elementary District | Country Place | 2 | N | None | ||
| Littleton Elementary District | Estrella Vista | 2 | N | None | ||
| Littleton Elementary District | Littleton Elementary School | 21 | Y | 1 | Flushing recommended at non-drinking water fixture | |
| Littleton Elementary District | Quentin Elementary | 2 | N | None | ||
| Littleton Elementary District | Tres Rios Elementary | 2 | N | None | ||
| Littleton Elementary District | Underdown Junior High School | 5 | N | None |