Water Quality in California
EPA violation data for public water systems across California.
1,929
ZIP Codes
12,714
Total Violations
6.6
Avg per ZIP
Most Affected Areas in California
All ZIP Codes in California (1,929)
92363 322 92274 311 96013 289 92630 265 93637 209 92202 166 95939 144 95548 143 95428 139 89424 134 93908 111 95219 109 93907 103 92056 92 93257 85 92078 83 92130 79 95403 78 92110 77 94558 74 93274 73 95834 71 95326 69 96001 67 91355 66 92061 66 95076 65 95336 65 92024 60 93644 60 91791 59 93560 59 96021 58 93283 57 92359 56 93454 56 95023 54 92065 52 92356 52 93701 52 92283 51 22485 48 92082 48 93261 47 93277 47 95827 47 92604 46 92694 45 93245 45 93401 45 93654 45 93667 45 95695 45 93536 44 93643 44 94561 44 95927 43 92860 42 92539 41 94549 41 95356 41 91962 40 93240 40 93514 40 91301 39 92415 39 95670 39 92203 38 93247 38 93291 37 92618 36 93611 35 92338 34 93420 34 93446 34 93523 34 93526 34 92037 33 93271 33 93512 33 93203 32 93307 32 94105 32 93380 31 93618 31 93721 31 93636 30 95358 30 92780 29 92879 29 95304 29 92036 28 96150 28 92660 27 93221 27 93465 27 94574 27 95366 27 95667 27 91752 26 92254 26 92365 26 93308 26 94513 26 94972 26 95928 26 96006 26 92243 25 93230 25 93285 25 94515 25 95316 25 91931 24 92408 24 93546 24 93614 24 95965 24 92070 23 92251 23 93901 23 95206 23 95829 23 92887 22 93313 22 93501 22 95060 22 95231 22 95370 22 95669 22 95688 22 91384 21 92227 21 92312 21 93926 21 95126 21 95307 21 95313 21 95476 21 95490 21 95570 21 91906 20 92086 20 92236 20 92327 20 92675 20 92880 20 93602 20 93960 20 94559 20 95012 20 95684 20 95835 20 90069 19 90803 19 91916 19 91963 19 92252 19 92301 19 92612 19 93244 19 93422 19 93532 19 93584 19 93662 19 93906 19 95062 19 95334 19 95567 19 95616 19 96122 19 90702 18 92407 18 93314 18 93387 18 93483 18 93706 18 93737 18 93927 18 94589 18 95367 18 95470 18 95950 18 96074 18 90014 17 91101 17 91390 17 91416 17 91731 17 93243 17 93311 17 93610 17 93619 17 93646 17 93657 17 95353 17 95360 17 95379 17 95382 17 95448 17 95551 17 95666 17 96080 17 92305 16 92339 16 92802 16 93117 16 93527 16 93528 16 95209 16 95406 16 95642 16 95901 16 95971 16 96007 16 91201 15 91202 15 91701 15 92067 15 92201 15 93270 15 93280 15 94556 15 94583 15 95045 15 95212 15 95361 15 95650 15 95698 15 96052 15 90004 14 91905 14 92123 14 92320 14 93004 14 93220 14 93272 14 93426 14 93561 14 93631 14 93638 14 93722 14 93923 14 95006 14 95031 14 95156 14 95368 14 95503 14 95612 14 95758 14 90266 13 92040 13 92109 13 92231 13 92324 13 92382 13 92394 13 92626 13 93216 13 93534 13 93609 13 93630 13 94952 13 95037 13 95338 13 95380 13 95465 13 95468 13 95720 13 95826 13 95973 13 96002 13 90020 12 91302 12 91732 12 91770 12 92154 12 92253 12 92266 12 92311 12 93232 12 93312 12 93405 12 93436 12 94402 12 94550 12 95043 12 95315 12 95461 12 95472 12 95631 12 95942 12 96091 12 96103 12 96130 12 91016 11 91361 11 91935 11 92308 11 92399 11 93265 11 93620 11 93666 11 93710 11 93725 11 93940 11 94508 11 95020 11 95449 11 95531 11 95864 11 90403 10 91730 10 91902 10 92614 10 93030 10 93517 10 93535 10 93621 10 93711 10 93912 10 94060 10 94074 10 94511 10 94573 10 95018 10 95205 10 95337 10 95542 10 95678 10 95821 10 96112 10 90254 9 91107 9 91344 9 92059 9 92196 9 92625 9 92655 9 93001 9 93023 9 93067 9 93239 9 93250 9 93286 9 93455 9 93513 9 93622 9 93633 9 93635 9 93645 9 93648 9 93920 9 95210 9 95327 9 95333 9 95383 9 95409 9 95437 9 95560 9 95619 9 95648 9 95665 9 95690 9 95694 9 95932 9 96022 9 96097 9 96107 9 90212 8 90245 8 91903 8 92081 8 92233 8 92250 8 92384 8 92561 8 92585 8 92606 8 92663 8 92711 8 92806 8 93003 8 93031 8 93033 8 93215 8 93226 8 93267 8 93279 8 93463 8 93545 8 93933 8 94520 8 94539 8 94551 8 95033 8 95128 8 95215 8 95223 8 95364 8 95377 8 95381 8 95401 8 95540 8 95559 8 95624 8 95640 8 95765 8 96003 8 96134 8 96145 8 90036 7 90755 7 91901 7 92101 7 92127 7 92135 7 92225 7 92307 7 92315 7 92411 7 92562 7 92629 7 93013 7 93024 7 93544 7 93669 7 93675 7 93720 7 93745 7 94115 7 94534 7 94599 7 95004 7 95024 7 95201 7 95346 7 95453 7 95482 7 95547 7 95589 7 95608 7 95634 7 95693 7 95726 7 95735 7 95776 7 95945 7 95959 7 96048 7 96064 7 96088 7 91607 6 91761 6 92093 6 92120 6 92220 6 92259 6 92321 6 92325 6 92504 6 92544 6 92590 6 92647 6 92782 6 92865 6 93065 6 93204 6 93242 6 93256 6 93287 6 93390 6 93516 6 93615 6 93647 6 93730 6 93924 6 94023 6 94129 6 94133 6 94533 6 95073 6 95404 6 95441 6 95526 6 95528 6 95553 6 95556 6 95563 6 95641 6 95651 6 95697 6 95946 6 96035 6 96094 6 90274 5 91503 5 91734 5 92004 5 92009 5 92014 5 92020 5 92071 5 92192 5 92242 5 92244 5 92309 5 92328 5 92333 5 92336 5 92391 5 92410 5 92549 5 92649 5 92673 5 92677 5 92883 5 93015 5 93205 5 93207 5 93219 5 93222 5 93234 5 93449 5 93550 5 94020 5 94928 5 95005 5 95038 5 95067 5 95240 5 95242 5 95247 5 95321 5 95329 5 95407 5 95425 5 95451 5 95485 5 95501 5 95626 5 95655 5 95692 5 95746 5 95828 5 95830 5 95948 5 95974 5 96051 5 96096 5 96101 5 20932 4 90078 4 90292 4 90808 4 91331 4 91505 4 91710 4 92027 4 92054 4 92240 4 92277 4 92281 4 92341 4 92372 4 92385 4 92589 4 92654 4 93022 4 93101 4 93108 4 93254 4 93258 4 93275 4 93386 4 93452 4 93510 4 93515 4 93529 4 93543 4 93563 4 93613 4 93624 4 93723 4 93747 4 93778 4 94104 4 94404 4 94547 4 94566 4 94571 4 94582 4 94946 4 95077 4 95112 4 95202 4 95204 4 95222 4 95249 4 95301 4 95340 4 95357 4 95365 4 95372 4 95421 4 95426 4 95436 4 95460 4 95481 4 95497 4 95558 4 95565 4 95632 4 95644 4 95658 4 95691 4 95703 4 95715 4 95762 4 95818 4 95912 4 95916 4 95936 4 95962 4 95984 4 95988 4 96025 4 96057 4 96058 4 96067 4 96073 4 96140 4 90045 3 90046 3 90048 3 90049 3 90255 3 90660 3 90720 3 91011 3 91702 3 91768 3 91915 3 91978 3 92060 3 92069 3 92241 3 92247 3 92260 3 92273 3 92340 3 92389 3 92581 3 92648 3 92652 3 93042 3 93223 3 93225 3 93292 3 93309 3 93403 3 93458 3 93460 3 93539 3 93605 3 93626 3 93668 3 93729 3 93930 3 93954 3 94516 3 94585 3 94920 3 94945 3 95019 3 95030 3 95035 3 95039 3 95041 3 95065 3 95159 3 95322 3 95335 3 95341 3 95345 3 95378 3 95388 3 95446 3 95473 3 95536 3 95549 3 95573 3 95606 3 95629 3 95653 3 95659 3 95685 3 95831 3 95833 3 95917 3 95926 3 95937 3 95960 3 95961 3 95966 3 95993 3 96023 3 96032 3 96044 3 96056 3 96069 3 96075 3 96076 3 96106 3 96137 3 96146 3 96161 3 90012 2 90022 2 90025 2 90026 2 90034 2 90064 2 90066 2 90210 2 90265 2 90272 2 90295 2 90302 2 90607 2 90640 2 91006 2 91326 2 91423 2 91706 2 91708 2 91729 2 91750 2 91773 2 91948 2 92011 2 92064 2 92084 2 92103 2 92211 2 92263 2 92284 2 92317 2 92342 2 92344 2 92345 2 92366 2 92373 2 92404 2 92480 2 92545 2 92563 2 92595 2 92602 2 92623 2 92704 2 92804 2 92805 2 92821 2 92841 2 92859 2 92878 2 93009 2 93010 2 93032 2 93064 2 93103 2 93105 2 93210 2 93212 2 93218 2 93235 2 93238 2 93249 2 93293 2 93402 2 93406 2 93416 2 93432 2 93444 2 93450 2 93505 2 93519 2 93522 2 93524 2 93603 2 93625 2 93627 2 93634 2 93653 2 93664 2 93790 2 93902 2 93932 2 93942 2 94030 2 94403 2 94509 2 94517 2 94552 2 94562 2 94605 2 94612 2 94710 2 94929 2 94948 2 94951 2 94965 2 94971 2 95008 2 95011 2 95066 2 95106 2 95138 2 95161 2 95213 2 95241 2 95255 2 95311 2 95320 2 95376 2 95402 2 95423 2 95430 2 95432 2 95457 2 95459 2 95519 2 95527 2 95554 2 95569 2 95601 2 95603 2 95613 2 95618 2 95636 2 95671 2 95675 2 95682 2 95722 2 95747 2 95903 2 95922 2 95930 2 95943 2 95947 2 95953 2 95963 2 95969 2 95970 2 95986 2 95992 2 96029 2 96039 2 96041 2 96055 2 96062 2 96063 2 96065 2 96070 2 96071 2 96092 2 96095 2 96120 2 96135 2 96162 2 89128 1 90021 1 90041 1 90063 1 90201 1 90242 1 90250 1 90301 1 90401 1 90621 1 91042 1 91106 1 91307 1 91342 1 91354 1 91381 1 91436 1 91604 1 91724 1 91740 1 91741 1 91764 1 91765 1 91932 1 92008 1 92021 1 92029 1 92055 1 92106 1 92108 1 92172 1 92226 1 92249 1 92314 1 92323 1 92347 1 92349 1 92354 1 92358 1 92364 1 92368 1 92375 1 92392 1 92398 1 92514 1 92686 1 92688 1 92693 1 92703 1 92705 1 92781 1 92845 1 92867 1 93021 1 93041 1 93060 1 93110 1 93206 1 93301 1 93388 1 93408 1 93409 1 93423 1 93424 1 93427 1 93428 1 93429 1 93440 1 93441 1 93442 1 93445 1 93447 1 93453 1 93456 1 93549 1 93551 1 93607 1 93612 1 93639 1 93649 1 93650 1 93656 1 93673 1 93922 1 94010 1 94019 1 94025 1 94028 1 94061 1 94063 1 94080 1 94303 1 94502 1 94507 1 94512 1 94557 1 94579 1 94596 1 94904 1 94930 1 94937 1 94939 1 94960 1 94970 1 95016 1 95017 1 95021 1 95046 1 95070 1 95125 1 95129 1 95131 1 95132 1 95135 1 95192 1 95220 1 95227 1 95234 1 95258 1 95303 1 95305 1 95309 1 95310 1 95324 1 95350 1 95351 1 95373 1 95374 1 95389 1 95405 1 95415 1 95422 1 95424 1 95442 1 95450 1 95452 1 95464 1 95466 1 95469 1 95511 1 95543 1 95552 1 95607 1 95615 1 95620 1 95628 1 95637 1 95646 1 95660 1 95661 1 95668 1 95672 1 95677 1 95683 1 95689 1 95717 1 95728 1 95736 1 95742 1 95816 1 95823 1 95938 1 95949 1 95955 1 95968 1 95987 1 96011 1 96020 1 96038 1 96049 1 96113 1 96114 1 96118 1 96125 1 96142 1 96151 1 96158 1 02283 02334 02646 05646 36107 43605 64114 82626 85826 89570 89710 90000 90006 90010 90017 90019 90023 90024 90030 90038 90039 90040 90043 90053 90054 90057 90058 90065 90071 90095 90099 90211 90220 90221 90222 90230 90240 90241 90260 90262 90270 90277 90280 90290 90291 90294 90348 90351 90404 90405 90503 90504 90505 90601 90602 90603 90604 90606 90608 90620 90623 90630 90631 90638 90650 90651 90670 90680 90701 90703 90704 90706 90713 90717 90723 90740 90745 90760 90802 90804 90805 90807 90810 90815 91001 91010 91012 91024 91030 91041 91103 91108 91134 91203 91208 91214 91226 91304 91310 91311 91316 91320 91321 91322 91340 91350 91351 91352 91356 91359 91360 91362 91364 91367 91385 91393 91402 91406 91411 91504 91510 91709 91711 91715 91719 91720 91722 91723 91733 91739 91744 91748 91754 91759 91760 91762 91763 91767 91769 91776 91780 91784 91785 91786 91789 91793 91801 91803 91876 91910 91911 91914 91917 91934 91942 91950 91980 92001 92003 92005 92006 92016 92019 92025 92026 92028 92035 92038 92041 92048 92058 92062 92066 92072 92074 92077 92079 92083 92085 92088 92104 92105 92111 92116 92118 92119 92126 92131 92136 92139 92163 92188 92210 92223 92230 92234 92239 92256 92257 92261 92262 92267 92268 92270 92278 92282 92285 92286 92302 92306 92316 92319 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93443 93451 93459 93461 93464 93502 93518 93521 93531 93541 93552 93553 93555 93556 93557 93562 93570 93573 93581 93590 93591 93592 93596 93599 93601 93604 93606 93608 93616 93623 93628 93629 93640 93641 93651 93652 93660 93665 93670 93702 93703 93704 93705 93708 93712 93715 93718 93724 93726 93727 93728 93740 93755 93760 93773 93775 93776 93777 93794 93806 93905 93915 93921 93925 93928 93937 93943 93944 93950 93953 93955 93961 93962 94002 94005 94014 94015 94021 94022 94024 94026 94027 94035 94037 94038 94039 94040 94042 94043 94044 94062 94065 94066 94070 94086 94088 94093 94101 94102 94103 94106 94107 94109 94110 94111 94112 94114 94117 94119 94120 94121 94122 94123 94127 94128 94132 94134 94177 94234 94253 94301 94302 94305 94306 94339 94370 94401 94501 94503 94505 94506 94510 94514 94519 94521 94523 94525 94526 94530 94531 94536 94538 94540 94541 94542 94544 94545 94546 94548 94553 94560 94563 94564 94565 94567 94568 94570 94577 94580 94581 94586 94587 94588 94590 94591 94592 94595 94597 94598 94604 94607 94608 94610 94611 94618 94619 94620 94621 94703 94704 94705 94707 94802 94804 94806 94821 94901 94903 94912 94914 94922 94923 94924 94925 94927 94931 94934 94940 94941 94942 94949 94954 94956 94957 94975 94979 95001 95003 95010 95013 95014 95015 95036 95040 95042 95044 95050 95051 95054 95061 95071 95075 95081 95100 95103 95104 95108 95109 95110 95111 95113 95114 95115 95117 95118 95119 95120 95121 95123 95127 95130 95133 95134 95136 95139 95140 95148 95150 95157 95160 95173 95193 95207 95208 95211 95221 95224 95225 95228 95230 95232 95233 95236 95237 95239 95246 95248 95251 95252 95253 95254 95257 95267 95269 95272 95296 95300 95306 95312 95317 95318 95319 95323 95325 95328 95330 95339 95344 95348 95349 95352 95354 95355 95363 95369 95385 95386 95387 95391 95410 95412 95416 95418 95419 95420 95429 95431 95433 95435 95439 95440 95443 95444 95445 95454 95455 95456 95458 95462 95463 95467 95474 95480 95487 95488 95489 95492 95502 95504 95518 95521 95524 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