--- a/pkg/imports/dma.go	Tue Apr 02 19:24:08 2019 +0200
+++ b/pkg/imports/dma.go	Tue Apr 02 19:25:17 2019 +0200
@@ -77,22 +77,16 @@
 const (
 	deleteDistanceMarksSQL = `
 WITH resp AS (
-  SELECT best_utm(area) AS t,
-         ST_Transform(area::geometry, best_utm(area)) AS a
-  FROM users.responsibility_areas
-  WHERE country = users.current_user_country()
+  SELECT users.current_user_area_utm() AS a
 )
 DELETE FROM waterway.distance_marks
 WHERE ST_Covers(
   (SELECT a FROM resp),
-  ST_Transform(geom::geometry, (SELECT t FROM resp)))
+  ST_Transform(geom::geometry, (SELECT ST_SRID(a) FROM resp)))
 `
 	insertDistanceMarksSQL = `
 WITH resp AS (
-  SELECT best_utm(area) AS t,
-         ST_Transform(area::geometry, best_utm(area)) AS a
-  FROM users.responsibility_areas
-  WHERE country = users.current_user_country()
+  SELECT users.current_user_area_utm() AS a
 )
 INSERT INTO waterway.distance_marks (geom, catdis)
 SELECT ST_Transform(clipped.geom, 4326)::geography, $3 FROM (
@@ -101,7 +95,7 @@
          (SELECT a FROM resp),
          ST_Transform(
            ST_GeomFromWKB($1, $2::integer),
-           (SELECT t FROM resp)
+           (SELECT ST_SRID(a) FROM resp)
          )
        )
      )).geom AS geom