[UPDATED 7/3/2017] Arizona School Districts M-O Lead In Drinking Water Screening Results Madison Elementary District – Osborn 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 |
| Madison Elementary District | Madison #1 Elementary | 3 | N | None | ||
| Madison Elementary District | Madison Camelview Elementary | 2 | N | None | ||
| Madison Elementary District | Madison Heights School | 7 | N | None | ||
| Madison Elementary District | Madison Meadows School | 12 | Y | 1 | Flushing recommended at non-drinking water fixture. Building scheduled for demolition Summer 2017. | |
| Madison Elementary District | Madison Park School | 22 | N | None | ||
| Madison Elementary District | Madison Richard Simis School | 5 | N | None | ||
| Madison Elementary District | Madison Rose Lane School | 13 | N | None | ||
| Madison Elementary District | Madison Traditional Academy | 2 | N | None | ||
| Maine Consolidated District | Maine Consolidated School | 15 | Y | 2 | Post sign at non-drinking water fixture | |
| Mammoth-San Manuel Unified District | First Avenue Elementary School | 3 | N | None | ||
| Mammoth-San Manuel Unified District | Mammoth Elementary School | 3 | N | None | ||
| Mammoth-San Manuel Unified District | San Manuel High School | 5 | Y | 1 | 1 | Shut off water to drinking water fixture |
| Marana Unified District | Butterfield Elementary School | 24 | Y | 1 | 1 | Flushing recommended at drinking water fixture |
| Marana Unified District | CoyoteTrail Elementary School | 10 | N | None | ||
| Marana Unified District | DeGrazia Elementary School | 26 | N | None | ||
| Marana Unified District | Desert Winds Elementary School | 4 | N | None | ||
| Marana Unified District | Ironwood Elementary School | 10 | N | None | ||
| Marana Unified District | Marana High School | 30 | Y | 16 | Post sign at non-drinking water fixture | |
| Marana Unified District | Marjorie W Estes Elementary School | 19 | N | None | ||
| Marana Unified District | Mountain View High School | 39 | Y | 2 | 2 | Flushing recommended at drinking water fixture |
| Marana Unified District | Picture Rocks Intermediate School | 5 | N | None | ||
| Marana Unified District | Quail Run Elementary School | 8 | N | None | ||
| Marana Unified District | Rattlesnake Ridge Elementary | 7 | N | None | ||
| Marana Unified District | Roadrunner Elementary School | 11 | N | None | ||
| Marana Unified District | Thornydale Elementary School | 23 | N | None | ||
| Marana Unified District | Tortolita Middle School (formerly Tortolita Junior High School) | 21 | Y | 1 | Sign on non-drinking water fixture recommended | |
| Marana Unified District | Twin Peaks Elementary | 7 | N | None | ||
| Maricopa Unified School District | Butterfield Elementary | 1 | N | None | ||
| Maricopa Unified School District | Desert Wind Middle School | 1 | N | None | ||
| Maricopa Unified School District | Maricopa Elementary (at Alterra) | 1 | N | None | ||
| Maricopa Unified School District | Maricopa High School | 14 | Y | 1 | 1 | Flushing recommended at drinking water fixture |
| Maricopa Unified School District | Maricopa Wells Middle School | 4 | N | None | ||
| Maricopa Unified School District | Pima Butte Elementary | 1 | N | None | ||
| Maricopa Unified School District | Saddleback Elementary | 1 | N | None | ||
| Maricopa Unified School District | Santa Cruz Elementary | 1 | N | None | ||
| Maricopa Unified School District | Santa Rosa Elementary | 1 | N | None | ||
| Mary C O’Brien Accommodation District | Mary C O’Brien Elementary School | 12 | N | None | ||
| Mary C O’Brien Accommodation District | Villa Oasis Interscholastic Center for Education (VOICE) | 12 | N | None | ||
| Mayer Unified District | Mayer Elementary School | 8 | Y | 1 | 1 | Flushing recommended at drinking water fixture |
| Mayer Unified District | Mayer High School (formerly Junior/Senior High School) | 12 | N | None | ||
| McNary Elementary District | McNary Elementary School | 2 | N | None | ||
| Mesa Unified District | Adams Elementary School | 19 | Y | 5 | 5 | Flushing recommended at drinking water fixtures |
| Mesa Unified District | Brimhall Junior High School | 9 | N | None | ||
| Mesa Unified District | Brinton Elementary | 1 | N | None | ||
| Mesa Unified District | Bush Elementary School | 2 | N | None | ||
| Mesa Unified District | Carson Junior High School | 32 | N | None | ||
| Mesa Unified District | Crismon Elementary School | 23 | Y | 5 | 5 | Flushing recommended at drinking water fixtures above 15 PPB. Shut of drinking water fixtures above 50 PPB. |
| Mesa Unified District | Dobson High School | 23 | Y | 2 | 2 | Flushing recommended at drinking water fixtures |
| Mesa Unified District | Eagleridge Learning Center | 1 | N | None | ||
| Mesa Unified District | Edison Elementary School | 22 | N | None | ||
| Mesa Unified District | Eisenhower Elementary School | 20 | Y | 1 | 1 | Flushing recommended at drinking water fixture |
| Mesa Unified District | Emerson Elementary School | 24 | Y | 3 | 3 | Shut off water to drinking water fixtures above 50ppb, flush drinking water fixtures below 50ppb |
| Mesa Unified District | Entz Elementary School | 12 | Y | 2 | 2 | Shut off water to drinking water fixtures above 50ppb, flush drinking water fixtures below 50ppb |
| Mesa Unified District | Falcon Hill Elementary School | 4 | N | None | ||
| Mesa Unified District | Field Elementary School | 27 | Y | 4 | 4 | Flushing recommended at drinking water fixture |
| Mesa Unified District | Franklin at Alma Elementary School | 19 | Y | 3 | 3 | Flushing recommended at drinking water fixture |
| Mesa Unified District | Franklin East Elementary School | 20 | N | None | ||
| Mesa Unified District | Franklin South Elementary | 16 | Y | 7 | 7 | Shut off water to drinking water fixtures above 50ppb, flush drinking water fixtures below 50ppb |
| Mesa Unified District | Franklin West Elementary | 10 | N | None | ||
| Mesa Unified District | Fremont Junior High School | 18 | Y | 2 | 2 | Shut off water to drinking water fixtures above 50ppb, flush drinking water fixtures below 50ppb |
| Mesa Unified District | Grounds East (formerly Power Middle School) | 8 | N | None | ||
| Mesa Unified District | Guerrero Elementary School | 1 | N | None | ||
| Mesa Unified District | Hale Elementary School | 18 | Y | 1 | 1 | Shut off drinking water fixture |
| Mesa Unified District | Hawthorne Elementary School | 14 | Y | 2 | 2 | Flushing recommended at drinking water fixture |
| Mesa Unified District | Hermosa Vista Elementary School | 8 | Y | 1 | 1 | Flushing Recommended at drinking water fixture |
| Mesa Unified District | Highland Elementary School | 11 | Y | 1 | 1 | Flushing Recommended at drinking water fixture |
| Mesa Unified District | Holmes Elementary School | 20 | Y | 5 | 4 | Shut off water to drinking water fixtures above 50ppb, flush drinking water fixtures below 50ppb |
| Mesa Unified District | Irving Elementary School | 21 | Y | 2 | 2 | Flushing Recommended at drinking water fixture |
| Mesa Unified District | Ishikawa Elementary School | 24 | N | None | ||
| Mesa Unified District | Jefferson Elementary School | 19 | Y | 3 | 3 | Shut off water to drinking water fixtures above 50ppb, flush drinking water fixtures below 50ppb |
| Mesa Unified District | Johnson Elementary School | 29 | Y | 1 | 1 | Flushing Recommended at drinking water fixtures |
| Mesa Unified District | Jordan Center for Early Education (formerly Jordan Elementary School) | 14 | Y | 4 | 4 | Shut off drinking water to building, flush drinking water fixtures below 50ppb |
| Mesa Unified District | Keller Elementary School | 19 | Y | 2 | 2 | Flushing Recommended at drinking water fixtures |
| Mesa Unified District | Kerr Elementary School | 12 | N | None | ||
| Mesa Unified District | Kino Junior High School | 14 | Y | 1 | Post sign at non-drinking water fixture | |
| Mesa Unified District | Las Sendas Elementary School | 11 | Y | 1 | Post sign at non-drinking water fixture | |
| Mesa Unified District | Lehi Elementary School | 23 | Y | 8 | 8 | Flushing Recommended at drinking water fixtures |
| Mesa Unified District | Lincoln Elementary School | 1 | Y | 1 | 1 | Flushing Recommended at drinking water fixture |
| Mesa Unified District | Lindbergh Elementary School | 17 | Y | 3 | 3 | Flushing Recommended at drinking water fixtures |
| Mesa Unified District | Longfellow Elementary School | 17 | Y | 3 | 2 | Flushing Recommended at drinking water fixtures |
| Mesa Unified District | Lowell Elementary School | 29 | Y | 5 | 5 | Shut off water to drinking water fixtures above 50ppb, flush drinking water fixtures below 50ppb |
| Mesa Unified District | MacArthur Elementary School | 14 | N | None | ||
| Mesa Unified District | Madison Elementary School | 4 | N | None | ||
| Mesa Unified District | McKellips Learning Center | 7 | Y | 3 | 3 | Shut off water to drinking water fixtures above 50ppb, flush drinking water fixtures below 50ppb |
| Mesa Unified District | Mendoza Elementary School | 23 | Y | 2 | 2 | Flushing recommended at drinking water fixture |
| Mesa Unified District | Mesa Academy for Advanced Studies | 1 | N | None | ||
| Mesa Unified District | Mesa Center for Success (formerly Early Education Center) | 1 | N | None | ||
| Mesa Unified District | Mesa Educational Center (formerly Powell Junior High School) | 22 | N | None | ||
| Mesa Unified District | Mesa High School | 22 | Y | 1 | 1 | Shut off water to drinking water fixtures above 50ppb |
| Mesa Unified District | Mountain View High School | 17 | Y | 1 | 1 | Flushing recommended at drinking water fixture |
| Mesa Unified District | O’Connor Elementary School | 13 | N | None | ||
| Mesa Unified District | Patterson Elementary | 7 | Y | 1 | 1 | Flushing recommended at drinking water fixture |
| Mesa Unified District | Pomeroy Elementary School | 14 | N | None | ||
| Mesa Unified District | Porter Elementary School | 3 | N | None | ||
| Mesa Unified District | Poston Junior High School | 24 | N | None | ||
| Mesa Unified District | Red Mountain Center for Early Eduction (formerly East Mesa Early Childhood) | 13 | N | None | ||
| Mesa Unified District | Red Mountain High School | 27 | N | None | ||
| Mesa Unified District | Red Mountain Ranch Elementary | 3 | N | None | ||
| Mesa Unified District | Redbird Elementary School | 19 | Y | 2 | 2 | Flushing Recommended at drinking water fixtures |
| Mesa Unified District | Rhodes Junior High School | 22 | Y | 5 | 5 | Shut off drinking water to building. Flushing Recommended at other drinking water fixtures. |
| Mesa Unified District | Riverview High School (formerly Mesa Vista High School) | 5 | N | None | ||
| Mesa Unified District | Robson Elementary School | 8 | Y | 2 | 2 | Flushing Recommended at drinking water fixtures |
| Mesa Unified District | Roosevelt Elementary School | 13 | Y | 1 | 1 | Flushing Recommended at drinking water fixture |
| Mesa Unified District | Salk Elementary School | 19 | Y | 3 | 3 | Shut off water to drinking water fixture above 50ppb, flushing for drinking water fixture below 50ppb |
| Mesa Unified District | SHARP | 19 | Y | 3 | 3 | Shut off water to drinking water fixtures above 50ppb, flush drinking water fixtures below 50ppb |
| Mesa Unified District | Shepherd Junior High School | 10 | N | None | ||
| Mesa Unified District | Sirrine Elementary School | 18 | Y | 5 | 5 | Shut off drinking water to the building, flush fixtures at other locations below 50 ppb |
| Mesa Unified District | Skyline High School | 14 | N | None | ||
| Mesa Unified District | Smith Junior High School | 8 | N | None | ||
| Mesa Unified District | Sousa Elementary School | 9 | Y | 2 | 2 | Flushing recommended at drinking water fixtures |
| Mesa Unified District | Stapley Junior High School | 4 | N | None | ||
| Mesa Unified District | Stevenson Elementary School | 19 | Y | 1 | 1 | Flushing recommended at drinking water fixture |
| Mesa Unified District | Summit Academy | 4 | N | None | ||
| Mesa Unified District | Summit Junior High School (formerly Hendrix) | 13 | Y | 2 | 2 | Shut off drinking water to the building, flush fixtures at other locations below 50 ppb |
| Mesa Unified District | Superstition High (formerly Boulder Canyon High School) | 5 | N | None | ||
| Mesa Unified District | Taft Elementary School | 19 | N | None | ||
| Mesa Unified District | Taylor Junior High School | 11 | N | None | ||
| Mesa Unified District | Washington Elementary School | 20 | Y | 7 | 7 | |
| Mesa Unified District | Webster Elementary School | 25 | Y | 3 | 3 | Flushing recommended at drinking water fixture |
| Mesa Unified District | Westwood High School | 42 | Y | 3 | 3 | Flushing recommended at drinking water fixture |
| Mesa Unified District | Whitman Elementary School | 21 | Y | 1 | 1 | Flushing recommended at drinking water fixture |
| Mesa Unified District | Whittier Elementary School | 12 | Y | 2 | Post sign at non-drinking water fixtures | |
| Mesa Unified District | Wilson Elementary | 6 | N | None | ||
| Mesa Unified District | Zaharis Elementary | 10 | N | None | ||
| Miami Unified District | Charles A. Bejarano | 1 | N | None | ||
| Miami Unified District | Lee Kornegay Middle School | 17 | Y | 4 | 3 | Shut off water to drinking water fixture above 50ppb, flushing for drinking water fixture below 50ppb |
| Miami Unified District | Miami High School | 31 | Y | 3 | Flushing recommended at non-drinking water fixture | |
| Mohave Valley Elementary District | Camp Mohave Elementary | 5 | N | None | ||
| Mohave Valley Elementary District | District Office | 2 | N | None | ||
| Mohave Valley Elementary District | Fort Mohave Elementary School | 10 | N | None | ||
| Mohave Valley Elementary District | Mohave Valley Elementary | 5 | Y | 1 | Hand washing sink was shut off; school is closed and has not had students since the end of 2015 | |
| Mohave Valley Elementary District | Camp Mohave Elementary | 3 | N | None | ||
| Morenci Unified District | Fairbanks Middle School | 5 | N | None | ||
| Morenci Unified District | Metcalf | 2 | N | None | ||
| Morenci Unified District | Morenci Junior/Senior High School | 13 | N | None | ||
| Morristown Elementary District | Morristown Elementary School | 10 | N | None | ||
| Murphy Elementary District | Alfred F Garcia School | 23 | Y | 3 | 2 | |
| Murphy Elementary District | Arthur M Hamilton School | 22 | Y | 1 | Post sign at non drinking water fixture | |
| Murphy Elementary District | Jack L Kuban Elementary School | 13 | Y | 3 | 3 | Shut off water to drinking water fixture above 50ppb, flushing for drinking water fixture below 50ppb |
| Murphy Elementary District | William R Sullivan Elementary School | 16 | Y | 3 | 2 | Shut off water to drinking water fixture above 50ppb, flushing for drinking water fixture below 50ppb |
| Naco Elementary District | Cotton Boll School | 5 | N | None | ||
| Nadaburg Unified District | Cotton Boll School | 2 | N | None | ||
| Navajo County Accommodation District | Cotton Boll School | 4 | Y | 1 | 1 | Flushing recommended at drinking water fixture |
| Nogales Unified District | A J Mitchell Elementary School | 8 | N | None | ||
| Nogales Unified District | Challenger Elementary School | 13 | Y | 1 | Flushing recommended at non-drinking water fixture | |
| Nogales Unified District | Desert Shadows Middle School | 1 | N | None | ||
| Nogales Unified District | Francisco Vasquez De Coronado School | 10 | N | None | ||
| Nogales Unified District | Lincoln Elementary School | 9 | N | None | ||
| Nogales Unified District | Mary Welty School | 14 | N | None | ||
| Nogales Unified District | Nogales High School | 37 | Y | 2 | 2 | Flushing recommended at drinking water fixture |
| Nogales Unified District | Pierson Vocational High School (formerly Santa Cruz Alternative H.S.) | 12 | Y | 2 | Post sign at non-drinking water fixture above 50ppb, flushing for non-drinking water fixture below 50ppb | |
| Nogales Unified District | Robert Bracker Elementary School | 8 | N | None | ||
| Nogales Unified District | Wade Carpenter Middle School | 12 | N | None | ||
| Oracle Elementary District | Mountain Vista School | 18 | N | None | ||
| Oracle Elementary District | Oracle Ridge School | 6 | Y | 2 | 2 | Flushing recommended at drinking water fixture: Shut off water to drinking water fixture above 50 ppb |
| Osborn Elementary District | Clarendon School | 19 | N | None | ||
| Osborn Elementary District | Encanto School | 14 | N | None | ||
| Osborn Elementary District | Longview Elementary School | 8 | Y | 1 | Post sign at non-drinking water fixture | |
| Osborn Elementary District | Montecito Community School | 5 | N | None | ||
| Osborn Elementary District | Osborn Middle School | 5 | N | None | ||
| Osborn Elementary District | Solano School | 20 | N | None |