Water Quality in Pennsylvania
EPA violation data for public water systems across Pennsylvania.
1,798
ZIP Codes
62,314
Total Violations
34.7
Avg per ZIP
Most Affected Areas in Pennsylvania
All ZIP Codes in Pennsylvania (1,798)
18444 3391 17815 1529 18360 1133 18344 1112 18325 1057 18330 1054 19403 907 19255 830 18657 663 18431 565 19401 535 18436 526 18612 485 18901 418 18427 408 18337 402 15801 395 17701 383 18426 370 18661 336 19348 334 18603 322 18201 314 19543 312 19560 311 16415 289 18041 288 18428 285 16933 272 17751 260 19083 259 18355 254 18372 250 18301 249 17756 248 18210 244 18235 242 16002 240 18707 236 17517 230 17922 224 18414 224 17847 221 17740 219 17859 203 17372 195 17754 191 16875 189 16947 189 18326 187 18627 185 16428 183 17744 183 15522 181 15658 177 18834 175 18020 174 18974 173 17764 172 18324 172 17702 171 16901 165 17325 165 17050 163 15501 161 15946 160 17801 159 18508 159 18411 158 18424 158 16915 157 18322 157 16923 156 17960 155 16335 154 17527 153 16137 152 18960 149 19518 149 16412 148 16505 148 19010 148 16001 147 17020 147 17844 147 18071 146 18610 142 16360 141 18334 138 18702 138 17015 137 15845 133 16036 132 17236 132 17543 131 16823 129 18438 128 19507 128 18458 127 18629 127 15868 126 16110 126 17870 126 17771 125 17737 124 18302 124 18470 123 17047 121 17961 121 18970 121 19512 121 17821 120 19067 120 16055 119 16656 119 16822 119 18954 119 15541 116 16133 116 18101 114 18336 114 18405 114 18951 112 19567 111 18931 110 17340 108 17555 108 16354 107 18013 107 18447 107 15864 106 17745 106 17972 105 19044 105 19344 105 15601 104 16733 104 18252 104 16052 102 16726 102 17846 102 18425 102 16686 101 18912 101 18417 100 18938 99 17202 98 19425 98 18353 97 19063 97 15050 96 15010 95 15650 95 16365 95 18708 95 19342 95 16441 94 17022 94 17324 94 18350 94 18222 93 18618 93 18944 93 15955 92 18930 92 19475 92 18801 91 15847 90 16922 89 16316 88 16433 88 17001 88 17040 88 17776 88 18466 88 18853 88 15701 86 16049 86 18066 86 18966 86 15928 85 17356 85 18014 85 18844 85 16950 84 17003 84 17728 84 15681 83 16130 83 17853 83 18332 83 17862 82 18848 82 16101 81 15550 80 16929 80 17024 80 19335 80 15557 79 18088 79 18229 79 18328 79 15059 78 17566 78 18347 78 16342 77 17602 77 17820 77 19365 77 18949 76 19522 76 18249 75 18624 75 17540 74 15474 73 19002 73 16749 72 18616 72 16134 71 17067 71 18333 71 18917 71 15848 70 17013 70 17261 70 19530 70 19540 70 15411 69 16720 69 17233 69 19406 68 15213 67 16244 67 16262 67 17225 67 18407 67 15327 66 16054 66 16701 66 16937 66 17814 66 15767 65 16066 65 17845 65 17860 65 15656 64 16625 64 15717 63 15734 63 16602 63 16678 63 16948 62 15437 61 15613 61 16020 61 18349 61 15737 60 15774 60 15907 60 18044 60 15043 59 16746 59 18077 59 18766 59 17021 58 17331 58 17519 58 18614 58 18925 58 19087 58 15714 57 16115 57 16854 57 17026 57 17857 57 17981 57 18826 57 17201 56 17536 56 18419 56 19320 56 19504 56 16057 55 16323 55 16647 55 17082 55 18058 55 19526 55 15001 54 15562 54 15746 54 15825 54 16946 54 18017 54 18940 54 16748 53 17019 53 17545 53 17884 53 18102 53 18106 53 19606 53 15025 52 15832 52 17268 52 17908 52 15824 51 17365 51 17921 51 15009 50 16023 50 16374 50 18036 50 19363 50 16865 49 17319 49 17505 49 17763 49 19311 49 15533 48 17056 48 18327 48 16669 47 16802 47 17850 47 19464 47 15012 46 16125 46 16417 46 16424 46 17339 46 18660 46 18812 46 19426 46 19460 46 16509 45 16841 45 17090 45 17350 45 17401 45 18370 45 18947 45 19465 45 15446 44 16314 44 16652 44 17059 44 17954 44 18464 44 18472 44 18840 44 19454 44 19508 44 15863 43 16801 43 16833 43 17241 43 19312 43 19362 43 19446 42 19510 42 19607 42 15222 41 15772 41 16242 41 16353 41 16372 41 17048 41 17572 41 17723 41 17724 41 17765 41 18015 41 18255 41 19520 41 19533 41 15552 40 16635 40 17011 40 18321 40 19046 40 19474 40 16858 39 17038 39 17747 39 18054 39 18064 39 18818 39 19505 39 15146 38 16201 38 16920 38 17094 38 18619 38 19047 38 19107 38 19503 38 15828 37 16333 37 16510 37 17306 37 17980 37 18067 37 18352 37 18946 37 17042 36 17532 36 18335 36 18964 36 19468 36 16636 35 16872 35 17522 35 17569 35 17842 35 17881 35 18103 35 18202 35 18421 35 19547 35 15235 34 16127 34 16230 34 16828 34 17028 34 17112 34 17963 34 18224 34 15003 33 15021 33 15851 33 17044 33 18240 33 18251 33 15860 32 16124 32 16438 32 16634 32 16912 32 17223 32 18219 32 18446 32 19006 32 19341 32 19608 32 15212 31 15923 31 16511 31 16928 31 17309 31 17364 31 17557 31 17562 31 17752 31 18076 31 18621 31 19007 31 15834 30 15904 30 16406 30 16845 30 17320 30 17507 30 18828 30 19492 30 15017 29 15642 29 15687 29 15762 29 16442 29 16601 29 16691 29 18969 29 19473 29 15531 28 15931 28 16443 28 16657 28 16820 28 17062 28 17109 28 17321 28 18635 28 18644 28 19023 28 15238 27 16679 27 16682 27 17063 27 17822 27 18343 27 18628 27 18655 27 19375 27 19380 27 19382 27 15376 26 15537 26 16407 26 16732 26 16940 26 17018 26 17055 26 17105 26 17256 26 12345 25 15312 25 15424 25 15936 25 16063 25 16226 25 16232 25 16401 25 17078 25 17257 25 17315 25 18034 25 18615 25 18950 25 18976 25 18977 25 19390 25 15316 24 15655 24 15728 24 16061 24 16641 24 16938 24 17066 24 17070 24 17111 24 17601 24 18104 24 18461 24 15559 23 16341 23 16404 23 16611 23 16633 23 16735 23 17051 23 17550 23 18069 23 18465 23 19539 23 19554 23 19605 23 15301 22 15732 22 15909 22 16217 22 17238 22 17302 22 17327 22 18212 22 19529 22 19534 22 15670 21 16153 21 16301 21 16740 21 16870 21 17032 21 17061 21 17408 21 17952 21 18451 21 18512 21 18929 21 19355 21 15022 20 15052 20 15677 20 15747 20 15926 20 15963 20 16145 20 16403 20 16927 20 17052 20 17074 20 17835 20 18078 20 18439 20 18817 20 18830 20 19347 20 19506 20 15084 19 15333 19 15715 19 16156 19 16222 19 16327 19 16422 19 16434 19 16667 19 16921 19 17362 19 17404 19 17509 19 18062 19 18074 19 18354 19 18433 19 19004 19 15431 18 15436 18 15470 18 15853 18 15938 18 15958 18 16146 18 16233 18 16344 18 16345 18 16623 18 16925 18 17221 18 17368 18 17406 18 17516 18 17551 18 17812 18 17813 18 17938 18 17967 18 18063 18 18445 18 15074 17 15219 17 15849 17 15870 17 15902 17 16051 17 16159 17 16229 17 16411 17 16648 17 16668 17 16930 17 17030 17 17237 17 17314 17 17774 17 17810 17 17872 17 17878 17 18049 17 18413 17 18437 17 18656 17 19115 17 19525 17 15757 16 16111 16 16150 16 16256 16 16507 16 16646 16 16683 16 16856 16 17043 16 17110 16 17313 16 17316 16 17352 16 17729 16 17837 16 17856 16 17979 16 18068 16 18080 16 18214 16 18837 16 19330 16 15026 15 15071 15 15231 15 15563 15 15857 15 15927 15 16426 15 17007 15 17512 15 17827 15 17901 15 17943 15 19027 15 15554 14 15736 14 16053 14 16371 14 16694 14 16866 14 17002 14 17057 14 17058 14 17349 14 17363 14 17841 14 18331 14 18623 14 18845 14 18942 14 19030 14 15044 13 15331 13 15370 13 15722 13 15940 13 15942 13 16046 13 16259 13 16347 13 16743 13 16853 13 17049 13 17068 13 17303 13 17584 13 17760 13 17948 13 17985 13 18072 13 19148 13 19601 13 15345 12 15377 12 15544 12 15725 12 16038 12 16120 12 16157 12 16373 12 16421 12 16655 12 17046 12 17370 12 17403 12 17552 12 17727 12 17762 12 17970 12 18038 12 18042 12 18916 12 18972 12 19056 12 19310 12 19536 12 19555 12 19559 12 15061 11 15110 11 15861 11 16102 11 16154 11 16351 11 16427 11 16731 11 16744 11 17264 11 17563 11 17885 11 18040 11 18053 11 18055 11 18216 11 19026 11 19064 11 19103 11 19317 11 19343 11 19438 11 15090 10 15203 10 15311 10 15425 10 15771 10 16048 10 16059 10 16311 10 16629 10 16637 10 17033 10 17098 10 17262 10 17301 10 17502 10 17868 10 17959 10 18037 10 18052 10 18374 10 18415 10 18460 10 18640 10 18810 10 19565 10 19611 10 15108 9 15314 9 15466 9 15558 9 15666 9 15668 9 15697 9 15721 9 15729 9 16025 9 16028 9 16041 9 16249 9 16319 9 16621 9 16630 9 16650 9 16832 9 17006 9 17023 9 17036 9 17073 9 17831 9 18031 9 18091 9 18504 9 18518 9 18630 9 18704 9 19014 9 19034 9 19050 9 19350 9 19442 9 15066 8 15215 8 15530 8 15535 8 15542 8 15610 8 15622 8 15644 8 15865 8 16056 8 16113 8 16350 8 16506 8 16640 8 16659 8 16835 8 17243 8 17267 8 17529 8 17603 8 17758 8 17777 8 17830 8 17929 8 18018 8 18073 8 18420 8 18519 8 18651 8 18833 8 19523 8 15239 7 15344 7 15627 7 15690 7 15724 7 15784 7 16116 7 16223 7 16644 7 16693 7 16745 7 16935 7 17053 7 17065 7 17087 7 17253 7 17260 7 17307 7 17322 7 17402 7 17534 7 17535 7 17731 7 17833 7 17889 7 18030 7 18032 7 18060 7 18211 7 18237 7 18434 7 18459 7 18824 7 18847 7 18914 7 18955 7 19025 7 19395 7 19541 7 19562 7 19602 7 19610 7 15102 6 15143 6 15205 6 15365 6 15464 6 15545 6 15553 6 15840 6 16117 6 16340 6 16416 6 16423 6 16613 6 16627 6 16692 6 16729 6 16738 6 16826 6 17045 6 17080 6 17086 6 17103 6 17104 6 17220 6 17222 6 17263 6 17353 6 17876 6 18356 6 18625 6 18843 6 18902 6 19072 6 19073 6 19374 6 15027 5 15030 5 15065 5 15104 5 15459 5 15461 5 15560 5 15686 5 15696 5 15779 5 15922 5 16214 5 16240 5 16322 5 16420 5 16662 5 16734 5 16838 5 16882 5 17004 5 17017 5 17025 5 17064 5 17069 5 17106 5 17120 5 17244 5 17361 5 17508 5 17560 5 17579 5 17703 5 17742 5 18241 5 18435 5 18455 5 18473 5 18643 5 18850 5 19031 5 19037 5 19144 5 19421 5 19435 5 19440 5 19482 5 19549 5 15077 4 15083 4 15085 4 15129 4 15139 4 15221 4 15230 4 15317 4 15330 4 15551 4 15679 4 15753 4 15960 4 16029 4 16034 4 16114 4 16210 4 16254 4 16435 4 16436 4 16624 4 16651 4 16911 4 16917 4 16936 4 17075 4 17215 4 17224 4 17228 4 17501 4 17538 4 17578 4 17934 4 17983 4 18011 4 18035 4 18045 4 18250 4 18342 4 18346 4 18505 4 18507 4 18626 4 18904 4 19008 4 19035 4 19538 4 19550 4 15005 3 15024 3 15056 3 15349 3 15502 3 15564 3 15742 3 15759 3 15856 3 15943 3 16033 3 16123 3 16131 3 16141 3 16148 3 16248 3 16334 3 16410 3 16430 3 16508 3 16512 3 16673 3 16830 3 16852 3 16942 3 17037 3 17060 3 17214 3 17255 3 17271 3 17375 3 17520 3 17768 3 17824 3 17855 3 17865 3 17882 3 18081 3 18248 3 18509 3 18921 3 19085 3 19301 3 19354 3 19366 3 19486 3 19544 3 19569 3 15042 2 15116 2 15202 2 15340 2 15539 2 15547 2 15618 2 15624 2 15760 2 15944 2 16003 2 16050 2 16112 2 16142 2 16213 2 16224 2 16250 2 16317 2 16402 2 16631 2 16664 2 16695 2 16836 2 16864 2 16873 2 16874 2 16926 2 17039 2 17084 2 17239 2 17252 2 17304 2 17310 2 17565 2 17864 2 17941 2 18051 2 18065 2 18232 2 18351 2 18357 2 18501 2 18503 2 18632 2 18823 2 18927 2 18928 2 18933 2 18943 2 18963 2 18968 2 19055 2 19061 2 19128 2 19346 2 19404 2 19462 2 19481 2 19501 2 19548 2 19609 2 05848 1 15014 1 15049 1 15081 1 15101 1 15144 1 15229 1 15237 1 15240 1 15323 1 15419 1 15521 1 15540 1 15561 1 15626 1 15924 1 16105 1 16143 1 16235 1 16239 1 16346 1 16362 1 16440 1 16502 1 16638 1 16675 1 16827 1 16844 1 16939 1 17016 1 17076 1 17211 1 17240 1 17521 1 17547 1 17576 1 17772 1 17933 1 17936 1 18323 1 18454 1 18471 1 18701 1 18822 1 18829 1 18962 1 18979 1 19020 1 19038 1 19060 1 19112 1 19116 1 19360 1 19551 1 19604 1 06701 15004 15007 15019 15028 15029 15034 15035 15036 15037 15038 15045 15046 15054 15055 15057 15062 15063 15067 15068 15078 15082 15086 15089 15095 15120 15122 15126 15127 15130 15131 15132 15133 15135 15136 15137 15142 15147 15148 15200 15201 15204 15206 15209 15210 15216 15217 15220 15223 15225 15227 15228 15232 15233 15234 15241 15243 15279 15310 15315 15320 15322 15324 15328 15329 15332 15334 15337 15338 15339 15341 15346 15347 15351 15352 15353 15354 15357 15359 15360 15362 15364 15366 15367 15378 15379 15380 15401 15409 15417 15421 15422 15423 15427 15428 15432 15438 15440 15445 15447 15448 15449 15451 15458 15462 15468 15469 15473 15478 15479 15480 15482 15484 15485 15486 15490 15496 15503 15532 15534 15536 15538 15602 15612 15617 15628 15632 15633 15634 15636 15637 15639 15646 15660 15663 15664 15672 15680 15683 15693 15698 15710 15711 15712 15716 15720 15727 15731 15738 15739 15744 15748 15752 15755 15764 15765 15770 15773 15777 15821 15822 15823 15826 15829 15831 15841 15846 15867 15900 15901 15905 15906 15920 15925 15929 15935 15937 15952 15954 15956 15957 15961 15962 16022 16024 16027 16030 16035 16037 16039 16040 16062 16082 16103 16107 16121 16132 16136 16140 16155 16160 16212 16218 16219 16220 16225 16234 16246 16253 16255 16258 16260 16263 16273 16313 16321 16326 16329 16332 16343 16348 16352 16361 16364 16366 16370 16405 16413 16414 16425 16432 16500 16501 16504 16603 16616 16617 16619 16626 16639 16645 16653 16660 16661 16665 16670 16672 16674 16677 16685 16689 16722 16727 16728 16737 16739 16750 16751 16803 16804 16829 16834 16837 16839 16848 16850 16863 16868 16876 16877 16878 16880 16881 16914 16932 16943 16945 17005 17009 17034 17035 17041 17077 17083 17088 17093 17099 17101 17108 17113 17119 17210 17212 17213 17217 17219 17227 17229 17235 17246 17247 17251 17254 17265 17266 17270 17280 17311 17312 17317 17318 17323 17329 17332 17336 17342 17343 17345 17347 17355 17358 17360 17366 17371 17376 17405 17407 17412 17416 17503 17506 17510 17518 17526 17528 17533 17549 17554 17564 17567 17568 17573 17574 17575 17577 17581 17582 17583 17600 17604 17605 17697 17721 17722 17726 17734 17738 17739 17748 17750 17769 17770 17823 17825 17829 17834 17836 17851 17858 17877 17887 17931 17939 17942 17944 17945 17947 17956 17964 17965 17968 17978 17987 18002 18016 18039 18043 18047 18050 18056 18057 18059 18070 18075 18084 18085 18086 18087 18090 18092 18097 18100 18105 18109 18150 18203 18220 18223 18225 18243 18244 18245 18246 18247 18256 18258 18320 18340 18341 18348 18371 18373 18401 18402 18403 18409 18410 18416 18418 18423 18432 18440 18441 18443 18452 18453 18456 18457 18462 18463 18469 18510 18511 18517 18535 18601 18602 18611 18617 18622 18636 18637 18641 18642 18652 18653 18654 18703 18711 18773 18813 18814 18815 18816 18820 18821 18825 18827 18831 18832 18839 18842 18846 18851 18854 18864 18910 18913 18915 18920 18922 18923 18924 18936 18939 18948 18953 18957 18958 18971 19001 19003 19009 19015 19016 19017 19021 19028 19039 19040 19041 19045 19052 19053 19054 19057 19058 19062 19066 19068 19070 19081 19090 19096 19101 19102 19104 19106 19109 19110 19111 19114 19118 19119 19120 19123 19124 19126 19131 19139 19140 19141 19143 19145 19146 19150 19151 19152 19153 19154 19316 19319 19331 19333 19345 19352 19353 19357 19358 19369 19370 19372 19373 19376 19381 19407 19408 19409 19420 19422 19428 19430 19432 19436 19437 19443 19444 19450 19451 19452 19453 19456 19457 19469 19470 19472 19477 19478 19480 19490 19491 19502 19511 19516 19519 19521 19542 19545 19557 19564 19603 19612 19615 19640 19846 27747